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Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Renewable Energy
& Entrepreneurship
An Intro
Department of Physics,
FUNAAB
Dami Aluko
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Profile
Dami is an energy specialist with over 6 years of experience - providing technical
analysis, commercial oversight, financial analysis and project management in the
energy and sustainability sector. His professional experience cuts across the design,
development and implementation of clean and smart energy solutions.
Dami obtained a bachelor’s degree in physics from FUNAAB, Nigeria, before
proceeding to the University of Strathclyde, United Kingdom for his master’s degree
where he graduated with distinction in Satellite Applications with Data Science. His
competencies include Solar Energy and Energy Transition from the Delft University
of Technology and the French Institute of Petroleum, respectively. In 2019, he was
awarded a scholarship funded by the UK Space Agency and was one of the
recipients of the Innovation Champion award from the Scottish Institute of
Enterprise the following year. Oluwadamilare is a certified Renewable Energy
Consultant Expert from the Renewable Energy Institute and a Certified Climate and
Renewable Energy Finance Expert from the Frankfurt School of Finance and
Management.
Dami currently works as a design engineer at SNRG – supporting the solutions
director in establishing the solutions department, developing smartgrid business
case for residential, commercial & industrial developments, and developing
solutions that meet the company’s business plan targets. At the core of his work lies
a vivid passion for enabling clean, affordable, and socially-inclusive energy solutions
transition – a clear path towards global sustainability.
Dami Aluko - LinkedIn
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Affiliations & Select Engagements
BSc Physics – Federal University of Agriculture Abeokuta, Nigeria
Solar Energy - Delft University of Technology, Netherlands
Energy Transition - French Institute of Petroleum, France
MSc Satellite Applications with Data Science – University of Strathclyde, United Kingdom
Member – The Institution of Engineering and Technology
Renewable Energy Consultant Expert – Renewable Energy Institute, United Kingdom
Open Africa Power, Enel Foundation – Graduate School of Business, University of Cape Town
Certified Expert in Climate and Renewable Energy Finance – Frankfurt School of Finance and Management, Germany
Energy Transformation Expert – The Renewables Academy (RENAC) AG, Germany
Co-Author, Techno-economic assessment of offshore wind energy potential at selected sites in the Gulf of Guinea Energy Conversion and Management, 2023
Industry Mentor, Efficiency for Access Design Challenge 2021/22 – Student team from Harper Adams University, 2022
NGO Official Observer Delegate – COP26, United Nations Climate Change, 2021
Speaker, Efficiency for Access Design Challenge 2012/22 – Social Impact: Inclusive Design – Energy Savings Trust / UK Aid / IEA Foundation, 2021
Interviewee, Discussing Satellites Imagery and Renewable Energy Creation with Oluwadamilare Aluko – Space in Africa, 2021
Research and Development Associate, MEMMCOL, Nigeria
Assistant Project Manager, Gennex Technologies, Nigeria
Technical Project Developer, Gommyr Power Networks, United Kingdom
Energy Systems Design Engineer, SNRG
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Teaching Objectives and Learning Outcomes
Upon the completion of this course, participants will be able to:
• Explain the technological terms and principles governing the operation of electrical power
systems;
• Distinguish the impacts that conventional power plants and RE power plants have on the
operation of a power grid;
• Explain the basic physics of electricity generation;
• Explain the basics of RE technologies and their main technical components;
• Explain how business models are structured in the various DRE market segments in order to
mitigate risks and to make investments in DRE systems profitable and bankable;
• Explain to what extent investments in DRE systems are viable and how risk can be mitigated
and managed
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Housekeeping
• Aim is to have an interactive session, hence,
questions and comments are very much
welcome
• To manage this, we will have short question
sessions after every sub-topic – through Slido
Visit slido.com and enter the number below
#3816147 under Q&A
• To manage time constraints, each session will be
limited to 7 questions / comments
• Please feel free to take notes, although the slide
pack will be sent to the emails of all registrants.
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
1
Introduction to Power Systems - 1
1
A power system is a network of electrical components deployed to supply, transfer,
and use electric power. An example of a power system is the electrical grid that
provides power to homes and industries within an extended area. The goal is to
provide efficient, reliable electricity to consumers.
Structure: Ranges from simple (one generator, one load) to complex (hundreds of
generators, thousands of loads).
Benefits of Large Systems (Grids)
Technical: Enhanced stability, improved reliability.
Economic: Reduced generation capacity needs, lower reserve power,
electricity trading opportunities.
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Analogy of a Power System
Storage
Cable
Consumers
Consumers
Storage
Water Supply
2
Introduction to Power Systems - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Basic Element of the Grid - 1
Generators
AC Generators
Fixed-speed (e.g., hydro, biogas,
conventional plants) and variable-
speed (wind turbines).
DC Generators
Photovoltaic modules with
inverters.
Transmission and Distribution System
Components
Overhead lines, cables, substations,
network equipment, and control
centers.
Responsibilities
Transmission for long distances,
distribution for regional and local
areas.
Consumers
Includes households, industrial
facilities, trade and services sector,
public transport, and storage
systems.
3
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Voltage Levels
Different voltage levels for
transmission and distribution.
Economic Advantage: Large power
grids are more advantageous but
result in higher power losses.
Voltage Optimization
Higher voltage reduces power losses.
Different voltage levels optimized for
low losses, high performance, and
consumer safety.
AC
Feasibility: AC allows voltage to be
increased (stepped up) and decreased
(stepped down) using transformers.
Insulation Challenges
Disadvantage of high voltage:
Requires larger insulation
components.
Overhead Line Insulators: Longer
insulators indicate higher voltage
levels
Basic Element of the Grid - 2
4
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Large wind farm Large power station Large power station
Medium sized power station
Wind farm
Industry
Small wind Small PV
Small Industry
Small PV in cities Business with small PV
Grid with Different Voltage Levels
Highest voltage
Transmission grid
220 - 1,000 kV
High voltage grid
Distribution grid
35 - 110 kV
Medium voltage grid
Distribution grid
1 - 35 kV
Low voltage grid
Distribution grid
< 1 kV
5
Basic Element of the Grid - 3
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Basic Element of the Grid - 4
6
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Base Load
➢ Constant generation for minimum demand (24/7).
➢ Low variable costs (fuel), high investment costs.
Examples: Nuclear, lignite, large hydro.
Medium Load
➢ Provides power during higher demand periods, typically
daytime.
➢ Moderate variable and investment costs.
Examples: Hard coal, CCGT.
Peak Load
➢ Covers short peak demand spikes (few hours a day).
➢ High flexibility, quick start-up.
Examples: OCGT: High variable costs, low investment costs, and
Pumped hydro: High investment costs, limited water storage.
Conventional Power Plants
Power plants fall into three categories based on their role in supplying electricity
7
Flexibility and Costs
➢ Variable costs and investment costs vary for
each type.
➢ Flexibility in ramping up or down differs
among categories
Operational Characteristics
➢ Start-up times, operational hours, and grid
stabilization roles.
➢ Installed Capacity and Roles:
➢ Capacity and roles vary by country, based on
fuels, locations, and economic criteria.
➢ Dispatching in liberalized markets involves
bidding; in others, a dispatch center decides.
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Conversion Processes
Conventional Power Plants Steps:
➔ Burn fossil fuels (e.g., coal).
➔ Convert chemical energy to
thermal energy.
➔ Steam drives turbines connected
to generator
➔ Generator converts to electricity
Energy Conversion: Conventional - 1
Schematic Overview of Technologies to Generate Electricity
8
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Energy Conversion: Conventional - 2
9
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Overview of Main Renewable Energy Technologies - 1
Fun Fact: We can’t do
anything without the
Sun
Solar Dominance: Significant portion of Renewable Energy (RE) generation is
solar-based.
Biomass: Energy sourced from photosynthesis, a solar-dependent process.
Wind Energy: Sun induces air movement, creating high and low-pressure areas
for wind energy.
Ocean Currents and Temperature Gradients: Sun influences ocean currents and
temperature gradients, harnessed by marine technologies.
Direct Solar Technologies: Utilize the sun for heat and electricity generation.
Photovoltaics (PV) highlighted as a leading technology in the market.
10
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sun
Moon
Earth
Gravity Tidal power plant Heat, Electricity
Electricity
Electricity
Heat
Geothermal heat Cogeneration plant
Electricity
Fuel
Electricity
Electricity
Biomass Cogeneration plant
Electricity
Cogeneration plant
Electricity, Heat, Fuel
Wind turbine
Solar cell, Photovoltaics
Heat pump
Solar collector, concentrated solar power
Photolysis
Sea temperature gradient plant
Ocean current plant
Wave power plant
Wind power
Solar power
Overview of RE Generation from an Energy Conversion Perspective
Appearance
Primary energy Energy conversion Secondary/final energy
Overview of Main Renewable Energy Technologies - 2
11
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Photovoltaic Modules
● Convert sunlight into direct current.
● Electrons in n-type silicon layer concentrate, creating an
electric potential.
● Allows the flow of electric direct current.
Inverter
● Converts direct current (DC) to alternating current (AC).
● Necessary for feeding electricity into the grid or direct
appliance use.
Electric Meter
● Measures AC kilowatt hours.
Consumption or Grid Feed
● Electricity can be self-consumed or fed into the grid.
Conclusion
PV-based power plants involve the conversion of sunlight to
electricity through photovoltaic modules, with subsequent steps for
grid integration or direct consumption.
Solar Photovoltaic System - 1
The Basic Set-up of a Grid-connected Photovoltaic Plant
Source: Kadem et al.
12
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Solar Photovoltaic System - 2
13
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
How Wind Turbines Generate Electricity - 1
Determinants of Energy Yield
➢ Average wind speed and wind speed distribution are crucial factors.
➢ Turbulence intensity at the project site also influences energy yield.
Conclusion
Wind turbines harness wind energy, converting it into electrical power through a series of mechanical and electrical
processes.
The energy yield depends on factors like wind speed, distribution, and turbulence intensity at the specific project site.
● Wind turbines utilize wind to generate electricity.
● Rotor starts to spin due to wind, initiating the energy
conversion process.
● Kinetic energy of the wind transforms into
mechanical energy (rotor and gearbox).
● Mechanical energy then converts into electrical
energy via a generator.
Process Overview Energy Conversion
14
Energy Conversion
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Source: https://www.technologyreview.com/s/608621/for-wind-power-bigger-is-better/
15
Illustration Of Wind Turbine Heights
How Wind Turbines Generate Electricity - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
16
How Wind Turbines Generate Electricity - 3
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Bioenergy Overview
Versatility of Bioenergy
❖ "All-rounder" in renewable energy sources.
❖ Multiple uses: solid, liquid, or gaseous sources.
❖ Provides thermal energy (heat), electricity, and fuel.
Biogas Production
❖ Produced through fermentation of organic materials.
❖ Bacterial populations involved, excluding oxygen.
❖ Biogas as a versatile fuel gas.
Combustion Process
❖ Bioenergy can be produced through combustion.
❖ Example: Burning wood for energy.
Conclusion
Bioenergy offers diverse applications, making it a versatile and
sustainable renewable energy source.
Trees and plant
Wooden Products
Biomass
Power Plant
Cycle of Biomass
Energy
17
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Main CSP Technologies
Source: Răboacă et al. (2019)
18
Principle
Utilizes absorbers (e.g., solar thermal panels) to
convert solar radiation into heat.
Heat is absorbed by the surface of the panels,
heating the medium within (e.g., water).
CSP Technologies: Various technologies exist, such as
parabolic trough systems and central tower receivers.
Concentrated Solar Power (CSP) - 1
Solar thermal energy involves converting solar radiation into thermal energy and using it to generate electricity.
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Concentrated Solar Power (CSP) - 2
Electricity Generation Steps (Focus on Parabolic
Trough Systems with Storage)
➢ Collector absorbs sunlight, heating a heat
carrier fluid.
➢ Pump transports the fluid to the solar
storage's heat exchanger.
➢ Thermal energy is transmitted to a storage
tank.
➢ Thermal energy drives a turbine, generating
electricity.
19
CSP Plant in Egypt
Source: https://www.dailynewsegypt.com/2019/10/16/egypt-plans-to-
establish-1-2bn-csp-solar-power-plants/
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Concentrated Solar Power (CSP) - 3
20
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Geothermal Energy Overview - 1
Applications
❖ Direct utilization in the heating sector for temperature control.
❖ Electricity generation through geothermal power plants.
❖ Cogeneration systems for simultaneous electricity and heat production.
Versatility
Geothermal energy serves both direct applications and electricity generation.
Note: Geothermal unique advantage lies in its diverse applications, providing both thermal solutions and contributing to the
electricity supply.
Near-Surface Geothermal
❖ Up to 400 meters depth.
❖ Direct use for heating and cooling (heat pump
systems).
Deep Geothermal
❖ Below 400 meters depth.
❖ Utilized for electricity generation and cogeneration
(electricity and heat).
Geothermal energy is harnessed from thermal energy beneath the Earth's surface.
Categories
21
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Source: DW (2017), available at https://www.dw.com/en/geothermal-energy-why-hasnt-it-caught-on-yet/a-
40487029 [last accessed 24 February 2020]
22
Geothermal Energy Overview - 2
The Basic Functioning Of A Geothermal Power Plant
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Hydro Energy – 1
Various technologies harness the energy of water.
Focus on Hydroelectricity
➢ Well-established and mature technology.
➢ Utilizes different approaches based on hydric resources:
➢ Run-of-river hydropower.
➢ Reservoir hydropower and pumped storage hydropower.
Capacity Range
It spans from very small to large-scale dams with multi-MW capacities.
Hydropower Characteristics
➢ Provides flexible power 24/7 under favorable conditions.
➢ Large hydropower is cost-efficient.
Considerations
➢ Caution required for environmental and social impacts of large-scale projects.
➢ Sustainability assessment needed for resource situation.
➢ Evaluation in light of climate change risks.
23
How it Works
Source:
https://archive.epa.gov/climatechange/kids/solutions/techn
ologies/water.html
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
24
Hydro Energy – 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Key features of a business model in the DRE sector - 1
Holistic approach explaining how a company conducts business and aims for profitability. Describes value offered to
customer segments, architecture, and partner network.
Key Components
1 2 3 4
❖ Described as the source of
income.
❖ Emphasizes the need for
customers to recognize
and appreciate the value
proposition.
❖ Clear marketing
communication is crucial
to convey product/service
benefits.
Revenue Stream
❖ Specifies how
customers will be
reached.
❖ Addresses the
management of
distribution
channels, retail
shops, independent
agents, and staff
training.
Distribution Strategy
❖ Vital for profitability.
❖ Involves a conscious
decision about costs
and product/service
quality.
❖ Balancing costs to avoid
system failures,
maintenance issues, and
negative impacts on
customer satisfaction.
Cost Management
❖ Acknowledges that the
Distributed Renewable
Energy (DRE) sector
poses specific
challenges.
❖ Implies a need for
tailored business
models to address these
challenges effectively.
Challenges in DRE Sector
25
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Business Models For Decentralized Re Technologies And Profitability
Source: Adjusted business model based on the canvas model by Pigneur and Osterwalder)
26
Key features of a business model in the DRE sector - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
1 2
3
Limited to 24 months.
Supplier Credit
Usually 3-5 years, longer for captive
power systems (10-15 years).
Leasing
Aim for customer ownership.
Rent-to-Own and PAYGO Models
Fee for Service Model: Suppliers
remain owners (e.g. PPA’s)
Fee for Service Model
Types of Business Models - 1
4
27
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Types Of Payment Schemes In The Dre Sector
Source: GeoCode International GmbH, 2021
28
Types of Business Models - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Small IPPs and Mini-Grids C&I Energy Consumers and
PUE
PAYGO Model in SHS
Sector
Fee-for-service model
used.
Developers invest in
power generation.
Power sold at fixed
prices via feed-in tariff
(small IPPs) or approved
retail power tariff (mini-
grids).
C&I consumers view
energy as an auxiliary input.
Reluctant to invest; prefer
leasing or fee-for-service
models (e.g. PPA’s)
PUE applications in
agriculture use various
payment schemes, including
fee-for-service.
Predominantly used in the
solar home system (SHS)
sector.
According to GOGLA, 42%
of SHS units sold using
PAYGO.
Constitutes 90% of sales by
value, indicating predominant
use for larger SHS.
Conclusion
➢ Diverse business models cater to different consumer segments and applications.
➢ PAYGO model, especially prevalent in SHS sector, demonstrates adaptability to consumer needs and preferences.
29
Introduction To Most Common Business Models In The Various Dre Markets - 1
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Business Models For Mini-Grids - 1
Mini-Grid Sector Overview
➢ Developers invest in power generation and distribution infrastructure.
➢ Power is sold to domestic and productive energy users (fee-for-service model).
KeyMaker Model by JUMEME
➢ JUMEME's business model in rural Tanzania.
➢ Horizontal and vertical integration approach.
➢ Incorporates the fish processing business.
Integration Details
➢ JUMEME invested in 23 mini-grids and 8 fish processing units.
➢ Fish processing units contribute significantly to EBITDA (61%).
➢ Capital costs for mini-grids and fish processing units are negligible.
Vertical Integration along Fish Value Chain
➢ JUMEME farms fish and produces animal feed.
➢ Maximizes earnings and benefits from economies of scope.
Benefits of Integrated Approach
➢ Wider scope provides good market connections for the food-processing business.
➢ Overcomes limitations faced by local producers in reaching markets.
➢ Food-processing business generates cash flow, contributing to overall profitability.
30
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Business Models For Decentralized Re Technologies And Profitability
Source: GeoCode International GmbH, 2021
31
Business Models For Mini-Grids - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample Mini-Grid - 1
32
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample Mini-Grid - 2
33
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample Mini-Grid - 3
34
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Business Models For C&I Captive Power Systems - 1
Challenges in the Market
➢ C&I energy consumers reluctant to invest in non-core business systems.
Financial Solutions
➢ Suppliers and RE system integrators offer leasing contracts.
➢ Leasing allows C&I consumers to pay a regular fee over 5-10 years.
➢ Fee-for-service model for those not wanting the asset on their balance sheet.
Operational Models
➢ Suppliers invest and operate the system.
➢ Power Purchase Agreement specifies terms and price.
Applicability: Leasing and fee-for-service models for larger systems (at least 100 or 200 kWp).
Market Examples
➢ Successful implementation in sub-Saharan Africa, e.g., Ghana.
➢ Established models include lease-to-own and fee-for-service/PPA.
Conclusion
Financing models like leasing and fee-for-service facilitate C&I captive power system adoption, especially for larger
installations.
35
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Some Examples Of Suppliers Of Suppliers To The C&I Sector
Source: GeoCode International GmbH, 2021
36
Business Models For C&I Captive Power Systems - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample C&I Captive Power System - 1
37
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample C&I Captive Power System - 2
38
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample C&I Captive Power System - 3
39
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample C&I Captive Power System - 4
40
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample C&I Captive Power System - 4
41
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Sample Project Proposal
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Commercial Viability Of DRE Investments - 1
Purpose: Analyzing profitability through finance modeling using Key Financial Performance Indicators (KPIs).
Relevant KPIs
➢ Project IRR (Internal Rate of Return)
➢ NPV (Net Present Value)
➢ Payback Period
➢ DSCR (Debt Service Coverage Ratio) for investment bankability analysis.
Financial Model Type
➢ RE systems finance viewed as project and asset finance, not just corporate finance.
➢ Advantage: RE system generates cash flow for loan servicing.
Challenges in Defining KPI Values
➢ Minimum DSCR defined by the bank; a guideline suggests EBITDA-based DSCR should be at least around 1.15.
➢ Maximum acceptable payback period defined by the investor; varies by industry (e.g., captive power systems).
➢ Minimum IRR depends on risk profile and investment alternatives; commonly, project IRR of at least 15% is
sought.
Considerations for Investors: Different investors may have varied preferences based on their risk tolerance, business exposure,
and time horizons.
46
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Source: based on information of https://www.investopedia.com/
47
Overview of Key Performance Indicators (KPIs)
Commercial Viability Of Dre Investments - 2
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Profitability in C&I Sector
● Profitability is linked to cash flow.
● Cash flow varies based on the chosen business model.
Business Models
Consumer Investment
● C&I consumer invests in the system.
● Benefits from savings due to reduced grid power and diesel generator usage.
ESCO (Energy Service Company) Model
● ESCO invests in the system and leases it to C&I consumers.
● Cash flow comes from leasing fees.
Key Input Data for SSA Region
● Solar irradiation: 2000 kWh/m2/year.
● Retail electricity price: EUR 0.10 per kWh.
● Retail diesel price: EUR 0.85 per liter.
● 70% of investment financed by a loan at 15% interest.
Commercial Viability Of C&I Captive Power Systems - 1
48
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Cost Breakdown for Solar PV System Leasing Scenario Calculation of Power Costs
➢ End customer (C&I) price:
EUR 850.
➢ Includes a 20% profit margin
for the system integrator.
➢ Leasing period: 10 years.
➢ Interest rate: 20%.
➢ Annual leasing fees: EUR
80,144.
➢ Cost per kWh: EUR 0.12.
➢ Competitive with grid power
(EUR 0.14 per kWh) and
diesel.
➢ Weighted average of power
from the grid and diesel
generators.
➢ Based on diesel price, share of
power from diesel, and grid
power price.
Conclusion
Commercial viability depends on the chosen model, with leasing scenarios offering competitive costs compared to grid and
diesel power.
Commercial Viability Of C&I Captive Power Systems - 2
49
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Key Input Data, Captive Power C&I
Source: GeoCode International GmbH, 2021
50
Commercial Viability Of C&I Captive Power Systems - 3
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Key Performance Indicators (KPI) Of An Average C&I Captive Power
System In SSA - 1
In terms of bankability, the
project's cash flow provides
adequate liquidity to support a
5-year loan at a 15% interest
rate. DSCRs of 1.24 (Scenario 1)
and 1.30 (Scenario 2) exceed
the recommended threshold of
1.15 or 1.2, indicating strong
financial viability and borrower
comfort.
In SSA, investing in a captive
solar system proves profitable
under average conditions for
both C&I consumers and
ESCOs. The IRR is notably
high at 24-25%, surpassing the
common borrower's required
IRR of 15-20%. Positive NPV
further validates the
investment's profitability.
KPIs, including IRR and NPV,
are derived from calculations
based on capital investment
costs, operational costs, and
revenues from energy cost
savings (Scenario 1) or leasing
fees (Scenario 2). Despite
different revenue models, both
scenarios exhibit similar
profitability, with Scenario 1
having a higher NPV due to its
longer evaluation period (20
years vs. 10 years).
51
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Scenario 1: C&l invests Scenario 2: ESCO invests + leasing Generally acceptable KPI
Project IRR 25% 24% > 15%
NPV €177,000 €89,000 > 0
DSCR (based on EBITDA;
70:30 debt-equity-ratio)
1.24
(5 yrs. loan tenor @15%)
1.3
(5 yrs. loan @15%) > 1.15
Payback period 4 years 3.75 yrs </= 4 yrs
Key Performance Indicators, Investor's Perspective
52
Source: GeoCode International GmbH, 2021
Key Performance Indicators (KPI) Of An Average C&I Captive Power
System In SSA - 2
Key Performance Indicators, Captive Power Dre Investment Example
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Questions / Comments
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Risk Assessment
Success Factors
● Properly configured and sized system.
● Professional installation.
● Regular preventive maintenance.
Technical and Financial Risks
● Major Risk: Oversized system leading to excess power.
● Profitability impact if excess power can't be sold to the
grid.
Risk Mitigation Strategies
● Assessing load demand carefully.
● Installing load measures before design.
● Conducting commissioning tests and ongoing
monitoring.
● Service contracts with suppliers.
53
Financial Risks in Investment Scenarios
For C&I Consumer:
● Power cost savings may be less than expected.
● Bank loan repayment concerns.
For ESCO/Leasing
● Risk of non-payment due to dissatisfaction.
Mitigation Strategies for Financial Risks
● Leasing companies integrate engineering,
installation, and maintenance
● Offering comprehensive services to enhance
customer satisfaction and payment reliability.
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Investments In Captive Re Power Systems, C&I Segment
Source: GeoCode International GmbH, 2021
54
Risk Assessment
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Careers
Construction
Finance / Investment Project Operation & Maintenance
Corporate
Commercial
Asset Management / Infrastructure
Trading / Forecast
GridEdge Services
Technical
• Design Engineer
• Project Engineer
• Field Engineer
• Financial Analyst
• Invest Analyst
• Private Equity Analyst
• Project Finance associate
• Project Coordinator
• Project Manager
• Programme Manager
• Project Developer
• Field Engineer
• Operations Support
Analyst
• Field Supervisor
• Contracting Manager
• Energy Trading Analyst
• Data Scientist
• Machine Learning
Engineer
• Commercial manager
• Business development
manager
• Project Development
manager
• Construction manager
• Health & safety Manager
• Field Supervisor
• Project Engineer
• HR
• Finance
• Accounting
• Portfolio Manager
• Asset Manager
• Contract Manager
• Flexibility Manager
• Grid Services Analyst
• Software Engineer
• Forecasting and Analystics
55
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
What’s Next?
56
An in-depth module for 400-level students, covering:
• Battery Energy Storage Systems
• Comprehensive solar PV (and hybrid) system design and simulation using industry-standard
software for both minigrids and C&I projects (annual load profiles, annual resource simulations,
techno-economic optimisation, risk assessment)
• Feasibility / Appraisal / Project Development of both minigrids and C&I solar PV projects
• Comprehensive investment analysis of both minigrid and C&I solar PV projects – for both the
investor and the client
• Building Business Plans for RE Projects
• Project Risks & Risk Management
• Basics of Finance & Investment for RE Projects
• Business Models - Power Purchase Agreements & Asset Financing
• More on career pathways
• Support Global Competitions on Energy Efficiency
Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB
Appreciation
56
An in-depth module for 400-level students, covering:
• Office of the Vice Chancellor
• The Department of Physics, FUNAAB
• The HOD, The Department of Physics, FUNAAB
• Prof Adebayo
• Dr Akinboro
• Dr Alatise
• Tech team
• Students
THANK YOU
Dami Aluko LinkedIn
damilarealuko@gmail.com
Oluwadamilare ALUKO, MSc, AMEI, MIET, PRINCE2®

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Renewable Energy & Entrepreneurship Workshop_21Feb2024.pdf

  • 1. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Renewable Energy & Entrepreneurship An Intro Department of Physics, FUNAAB Dami Aluko
  • 2. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Profile Dami is an energy specialist with over 6 years of experience - providing technical analysis, commercial oversight, financial analysis and project management in the energy and sustainability sector. His professional experience cuts across the design, development and implementation of clean and smart energy solutions. Dami obtained a bachelor’s degree in physics from FUNAAB, Nigeria, before proceeding to the University of Strathclyde, United Kingdom for his master’s degree where he graduated with distinction in Satellite Applications with Data Science. His competencies include Solar Energy and Energy Transition from the Delft University of Technology and the French Institute of Petroleum, respectively. In 2019, he was awarded a scholarship funded by the UK Space Agency and was one of the recipients of the Innovation Champion award from the Scottish Institute of Enterprise the following year. Oluwadamilare is a certified Renewable Energy Consultant Expert from the Renewable Energy Institute and a Certified Climate and Renewable Energy Finance Expert from the Frankfurt School of Finance and Management. Dami currently works as a design engineer at SNRG – supporting the solutions director in establishing the solutions department, developing smartgrid business case for residential, commercial & industrial developments, and developing solutions that meet the company’s business plan targets. At the core of his work lies a vivid passion for enabling clean, affordable, and socially-inclusive energy solutions transition – a clear path towards global sustainability. Dami Aluko - LinkedIn
  • 3. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Affiliations & Select Engagements BSc Physics – Federal University of Agriculture Abeokuta, Nigeria Solar Energy - Delft University of Technology, Netherlands Energy Transition - French Institute of Petroleum, France MSc Satellite Applications with Data Science – University of Strathclyde, United Kingdom Member – The Institution of Engineering and Technology Renewable Energy Consultant Expert – Renewable Energy Institute, United Kingdom Open Africa Power, Enel Foundation – Graduate School of Business, University of Cape Town Certified Expert in Climate and Renewable Energy Finance – Frankfurt School of Finance and Management, Germany Energy Transformation Expert – The Renewables Academy (RENAC) AG, Germany Co-Author, Techno-economic assessment of offshore wind energy potential at selected sites in the Gulf of Guinea Energy Conversion and Management, 2023 Industry Mentor, Efficiency for Access Design Challenge 2021/22 – Student team from Harper Adams University, 2022 NGO Official Observer Delegate – COP26, United Nations Climate Change, 2021 Speaker, Efficiency for Access Design Challenge 2012/22 – Social Impact: Inclusive Design – Energy Savings Trust / UK Aid / IEA Foundation, 2021 Interviewee, Discussing Satellites Imagery and Renewable Energy Creation with Oluwadamilare Aluko – Space in Africa, 2021 Research and Development Associate, MEMMCOL, Nigeria Assistant Project Manager, Gennex Technologies, Nigeria Technical Project Developer, Gommyr Power Networks, United Kingdom Energy Systems Design Engineer, SNRG
  • 4. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Teaching Objectives and Learning Outcomes Upon the completion of this course, participants will be able to: • Explain the technological terms and principles governing the operation of electrical power systems; • Distinguish the impacts that conventional power plants and RE power plants have on the operation of a power grid; • Explain the basic physics of electricity generation; • Explain the basics of RE technologies and their main technical components; • Explain how business models are structured in the various DRE market segments in order to mitigate risks and to make investments in DRE systems profitable and bankable; • Explain to what extent investments in DRE systems are viable and how risk can be mitigated and managed
  • 5. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Housekeeping • Aim is to have an interactive session, hence, questions and comments are very much welcome • To manage this, we will have short question sessions after every sub-topic – through Slido Visit slido.com and enter the number below #3816147 under Q&A • To manage time constraints, each session will be limited to 7 questions / comments • Please feel free to take notes, although the slide pack will be sent to the emails of all registrants.
  • 6. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB 1 Introduction to Power Systems - 1 1 A power system is a network of electrical components deployed to supply, transfer, and use electric power. An example of a power system is the electrical grid that provides power to homes and industries within an extended area. The goal is to provide efficient, reliable electricity to consumers. Structure: Ranges from simple (one generator, one load) to complex (hundreds of generators, thousands of loads). Benefits of Large Systems (Grids) Technical: Enhanced stability, improved reliability. Economic: Reduced generation capacity needs, lower reserve power, electricity trading opportunities.
  • 7. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Analogy of a Power System Storage Cable Consumers Consumers Storage Water Supply 2 Introduction to Power Systems - 2
  • 8. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Basic Element of the Grid - 1 Generators AC Generators Fixed-speed (e.g., hydro, biogas, conventional plants) and variable- speed (wind turbines). DC Generators Photovoltaic modules with inverters. Transmission and Distribution System Components Overhead lines, cables, substations, network equipment, and control centers. Responsibilities Transmission for long distances, distribution for regional and local areas. Consumers Includes households, industrial facilities, trade and services sector, public transport, and storage systems. 3
  • 9. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Voltage Levels Different voltage levels for transmission and distribution. Economic Advantage: Large power grids are more advantageous but result in higher power losses. Voltage Optimization Higher voltage reduces power losses. Different voltage levels optimized for low losses, high performance, and consumer safety. AC Feasibility: AC allows voltage to be increased (stepped up) and decreased (stepped down) using transformers. Insulation Challenges Disadvantage of high voltage: Requires larger insulation components. Overhead Line Insulators: Longer insulators indicate higher voltage levels Basic Element of the Grid - 2 4
  • 10. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Large wind farm Large power station Large power station Medium sized power station Wind farm Industry Small wind Small PV Small Industry Small PV in cities Business with small PV Grid with Different Voltage Levels Highest voltage Transmission grid 220 - 1,000 kV High voltage grid Distribution grid 35 - 110 kV Medium voltage grid Distribution grid 1 - 35 kV Low voltage grid Distribution grid < 1 kV 5 Basic Element of the Grid - 3
  • 11. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Basic Element of the Grid - 4 6
  • 12. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 13. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Base Load ➢ Constant generation for minimum demand (24/7). ➢ Low variable costs (fuel), high investment costs. Examples: Nuclear, lignite, large hydro. Medium Load ➢ Provides power during higher demand periods, typically daytime. ➢ Moderate variable and investment costs. Examples: Hard coal, CCGT. Peak Load ➢ Covers short peak demand spikes (few hours a day). ➢ High flexibility, quick start-up. Examples: OCGT: High variable costs, low investment costs, and Pumped hydro: High investment costs, limited water storage. Conventional Power Plants Power plants fall into three categories based on their role in supplying electricity 7 Flexibility and Costs ➢ Variable costs and investment costs vary for each type. ➢ Flexibility in ramping up or down differs among categories Operational Characteristics ➢ Start-up times, operational hours, and grid stabilization roles. ➢ Installed Capacity and Roles: ➢ Capacity and roles vary by country, based on fuels, locations, and economic criteria. ➢ Dispatching in liberalized markets involves bidding; in others, a dispatch center decides.
  • 14. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Conversion Processes Conventional Power Plants Steps: ➔ Burn fossil fuels (e.g., coal). ➔ Convert chemical energy to thermal energy. ➔ Steam drives turbines connected to generator ➔ Generator converts to electricity Energy Conversion: Conventional - 1 Schematic Overview of Technologies to Generate Electricity 8
  • 15. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Energy Conversion: Conventional - 2 9
  • 16. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 17. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Overview of Main Renewable Energy Technologies - 1 Fun Fact: We can’t do anything without the Sun Solar Dominance: Significant portion of Renewable Energy (RE) generation is solar-based. Biomass: Energy sourced from photosynthesis, a solar-dependent process. Wind Energy: Sun induces air movement, creating high and low-pressure areas for wind energy. Ocean Currents and Temperature Gradients: Sun influences ocean currents and temperature gradients, harnessed by marine technologies. Direct Solar Technologies: Utilize the sun for heat and electricity generation. Photovoltaics (PV) highlighted as a leading technology in the market. 10
  • 18. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sun Moon Earth Gravity Tidal power plant Heat, Electricity Electricity Electricity Heat Geothermal heat Cogeneration plant Electricity Fuel Electricity Electricity Biomass Cogeneration plant Electricity Cogeneration plant Electricity, Heat, Fuel Wind turbine Solar cell, Photovoltaics Heat pump Solar collector, concentrated solar power Photolysis Sea temperature gradient plant Ocean current plant Wave power plant Wind power Solar power Overview of RE Generation from an Energy Conversion Perspective Appearance Primary energy Energy conversion Secondary/final energy Overview of Main Renewable Energy Technologies - 2 11
  • 19. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Photovoltaic Modules ● Convert sunlight into direct current. ● Electrons in n-type silicon layer concentrate, creating an electric potential. ● Allows the flow of electric direct current. Inverter ● Converts direct current (DC) to alternating current (AC). ● Necessary for feeding electricity into the grid or direct appliance use. Electric Meter ● Measures AC kilowatt hours. Consumption or Grid Feed ● Electricity can be self-consumed or fed into the grid. Conclusion PV-based power plants involve the conversion of sunlight to electricity through photovoltaic modules, with subsequent steps for grid integration or direct consumption. Solar Photovoltaic System - 1 The Basic Set-up of a Grid-connected Photovoltaic Plant Source: Kadem et al. 12
  • 20. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Solar Photovoltaic System - 2 13
  • 21. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 22. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB How Wind Turbines Generate Electricity - 1 Determinants of Energy Yield ➢ Average wind speed and wind speed distribution are crucial factors. ➢ Turbulence intensity at the project site also influences energy yield. Conclusion Wind turbines harness wind energy, converting it into electrical power through a series of mechanical and electrical processes. The energy yield depends on factors like wind speed, distribution, and turbulence intensity at the specific project site. ● Wind turbines utilize wind to generate electricity. ● Rotor starts to spin due to wind, initiating the energy conversion process. ● Kinetic energy of the wind transforms into mechanical energy (rotor and gearbox). ● Mechanical energy then converts into electrical energy via a generator. Process Overview Energy Conversion 14 Energy Conversion
  • 23. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Source: https://www.technologyreview.com/s/608621/for-wind-power-bigger-is-better/ 15 Illustration Of Wind Turbine Heights How Wind Turbines Generate Electricity - 2
  • 24. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB 16 How Wind Turbines Generate Electricity - 3
  • 25. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 26. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Bioenergy Overview Versatility of Bioenergy ❖ "All-rounder" in renewable energy sources. ❖ Multiple uses: solid, liquid, or gaseous sources. ❖ Provides thermal energy (heat), electricity, and fuel. Biogas Production ❖ Produced through fermentation of organic materials. ❖ Bacterial populations involved, excluding oxygen. ❖ Biogas as a versatile fuel gas. Combustion Process ❖ Bioenergy can be produced through combustion. ❖ Example: Burning wood for energy. Conclusion Bioenergy offers diverse applications, making it a versatile and sustainable renewable energy source. Trees and plant Wooden Products Biomass Power Plant Cycle of Biomass Energy 17
  • 27. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Main CSP Technologies Source: Răboacă et al. (2019) 18 Principle Utilizes absorbers (e.g., solar thermal panels) to convert solar radiation into heat. Heat is absorbed by the surface of the panels, heating the medium within (e.g., water). CSP Technologies: Various technologies exist, such as parabolic trough systems and central tower receivers. Concentrated Solar Power (CSP) - 1 Solar thermal energy involves converting solar radiation into thermal energy and using it to generate electricity.
  • 28. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Concentrated Solar Power (CSP) - 2 Electricity Generation Steps (Focus on Parabolic Trough Systems with Storage) ➢ Collector absorbs sunlight, heating a heat carrier fluid. ➢ Pump transports the fluid to the solar storage's heat exchanger. ➢ Thermal energy is transmitted to a storage tank. ➢ Thermal energy drives a turbine, generating electricity. 19 CSP Plant in Egypt Source: https://www.dailynewsegypt.com/2019/10/16/egypt-plans-to- establish-1-2bn-csp-solar-power-plants/
  • 29. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Concentrated Solar Power (CSP) - 3 20
  • 30. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 31. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Geothermal Energy Overview - 1 Applications ❖ Direct utilization in the heating sector for temperature control. ❖ Electricity generation through geothermal power plants. ❖ Cogeneration systems for simultaneous electricity and heat production. Versatility Geothermal energy serves both direct applications and electricity generation. Note: Geothermal unique advantage lies in its diverse applications, providing both thermal solutions and contributing to the electricity supply. Near-Surface Geothermal ❖ Up to 400 meters depth. ❖ Direct use for heating and cooling (heat pump systems). Deep Geothermal ❖ Below 400 meters depth. ❖ Utilized for electricity generation and cogeneration (electricity and heat). Geothermal energy is harnessed from thermal energy beneath the Earth's surface. Categories 21
  • 32. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Source: DW (2017), available at https://www.dw.com/en/geothermal-energy-why-hasnt-it-caught-on-yet/a- 40487029 [last accessed 24 February 2020] 22 Geothermal Energy Overview - 2 The Basic Functioning Of A Geothermal Power Plant
  • 33. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Hydro Energy – 1 Various technologies harness the energy of water. Focus on Hydroelectricity ➢ Well-established and mature technology. ➢ Utilizes different approaches based on hydric resources: ➢ Run-of-river hydropower. ➢ Reservoir hydropower and pumped storage hydropower. Capacity Range It spans from very small to large-scale dams with multi-MW capacities. Hydropower Characteristics ➢ Provides flexible power 24/7 under favorable conditions. ➢ Large hydropower is cost-efficient. Considerations ➢ Caution required for environmental and social impacts of large-scale projects. ➢ Sustainability assessment needed for resource situation. ➢ Evaluation in light of climate change risks. 23 How it Works Source: https://archive.epa.gov/climatechange/kids/solutions/techn ologies/water.html
  • 34. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB 24 Hydro Energy – 2
  • 35. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 36. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Key features of a business model in the DRE sector - 1 Holistic approach explaining how a company conducts business and aims for profitability. Describes value offered to customer segments, architecture, and partner network. Key Components 1 2 3 4 ❖ Described as the source of income. ❖ Emphasizes the need for customers to recognize and appreciate the value proposition. ❖ Clear marketing communication is crucial to convey product/service benefits. Revenue Stream ❖ Specifies how customers will be reached. ❖ Addresses the management of distribution channels, retail shops, independent agents, and staff training. Distribution Strategy ❖ Vital for profitability. ❖ Involves a conscious decision about costs and product/service quality. ❖ Balancing costs to avoid system failures, maintenance issues, and negative impacts on customer satisfaction. Cost Management ❖ Acknowledges that the Distributed Renewable Energy (DRE) sector poses specific challenges. ❖ Implies a need for tailored business models to address these challenges effectively. Challenges in DRE Sector 25
  • 37. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Business Models For Decentralized Re Technologies And Profitability Source: Adjusted business model based on the canvas model by Pigneur and Osterwalder) 26 Key features of a business model in the DRE sector - 2
  • 38. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB 1 2 3 Limited to 24 months. Supplier Credit Usually 3-5 years, longer for captive power systems (10-15 years). Leasing Aim for customer ownership. Rent-to-Own and PAYGO Models Fee for Service Model: Suppliers remain owners (e.g. PPA’s) Fee for Service Model Types of Business Models - 1 4 27
  • 39. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Types Of Payment Schemes In The Dre Sector Source: GeoCode International GmbH, 2021 28 Types of Business Models - 2
  • 40. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Small IPPs and Mini-Grids C&I Energy Consumers and PUE PAYGO Model in SHS Sector Fee-for-service model used. Developers invest in power generation. Power sold at fixed prices via feed-in tariff (small IPPs) or approved retail power tariff (mini- grids). C&I consumers view energy as an auxiliary input. Reluctant to invest; prefer leasing or fee-for-service models (e.g. PPA’s) PUE applications in agriculture use various payment schemes, including fee-for-service. Predominantly used in the solar home system (SHS) sector. According to GOGLA, 42% of SHS units sold using PAYGO. Constitutes 90% of sales by value, indicating predominant use for larger SHS. Conclusion ➢ Diverse business models cater to different consumer segments and applications. ➢ PAYGO model, especially prevalent in SHS sector, demonstrates adaptability to consumer needs and preferences. 29 Introduction To Most Common Business Models In The Various Dre Markets - 1
  • 41. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Business Models For Mini-Grids - 1 Mini-Grid Sector Overview ➢ Developers invest in power generation and distribution infrastructure. ➢ Power is sold to domestic and productive energy users (fee-for-service model). KeyMaker Model by JUMEME ➢ JUMEME's business model in rural Tanzania. ➢ Horizontal and vertical integration approach. ➢ Incorporates the fish processing business. Integration Details ➢ JUMEME invested in 23 mini-grids and 8 fish processing units. ➢ Fish processing units contribute significantly to EBITDA (61%). ➢ Capital costs for mini-grids and fish processing units are negligible. Vertical Integration along Fish Value Chain ➢ JUMEME farms fish and produces animal feed. ➢ Maximizes earnings and benefits from economies of scope. Benefits of Integrated Approach ➢ Wider scope provides good market connections for the food-processing business. ➢ Overcomes limitations faced by local producers in reaching markets. ➢ Food-processing business generates cash flow, contributing to overall profitability. 30
  • 42. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Business Models For Decentralized Re Technologies And Profitability Source: GeoCode International GmbH, 2021 31 Business Models For Mini-Grids - 2
  • 43. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample Mini-Grid - 1 32
  • 44. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample Mini-Grid - 2 33
  • 45. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample Mini-Grid - 3 34
  • 46. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 47. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Business Models For C&I Captive Power Systems - 1 Challenges in the Market ➢ C&I energy consumers reluctant to invest in non-core business systems. Financial Solutions ➢ Suppliers and RE system integrators offer leasing contracts. ➢ Leasing allows C&I consumers to pay a regular fee over 5-10 years. ➢ Fee-for-service model for those not wanting the asset on their balance sheet. Operational Models ➢ Suppliers invest and operate the system. ➢ Power Purchase Agreement specifies terms and price. Applicability: Leasing and fee-for-service models for larger systems (at least 100 or 200 kWp). Market Examples ➢ Successful implementation in sub-Saharan Africa, e.g., Ghana. ➢ Established models include lease-to-own and fee-for-service/PPA. Conclusion Financing models like leasing and fee-for-service facilitate C&I captive power system adoption, especially for larger installations. 35
  • 48. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Some Examples Of Suppliers Of Suppliers To The C&I Sector Source: GeoCode International GmbH, 2021 36 Business Models For C&I Captive Power Systems - 2
  • 49. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample C&I Captive Power System - 1 37
  • 50. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample C&I Captive Power System - 2 38
  • 51. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample C&I Captive Power System - 3 39
  • 52. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample C&I Captive Power System - 4 40
  • 53. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample C&I Captive Power System - 4 41
  • 54. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Sample Project Proposal
  • 55. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 56. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Commercial Viability Of DRE Investments - 1 Purpose: Analyzing profitability through finance modeling using Key Financial Performance Indicators (KPIs). Relevant KPIs ➢ Project IRR (Internal Rate of Return) ➢ NPV (Net Present Value) ➢ Payback Period ➢ DSCR (Debt Service Coverage Ratio) for investment bankability analysis. Financial Model Type ➢ RE systems finance viewed as project and asset finance, not just corporate finance. ➢ Advantage: RE system generates cash flow for loan servicing. Challenges in Defining KPI Values ➢ Minimum DSCR defined by the bank; a guideline suggests EBITDA-based DSCR should be at least around 1.15. ➢ Maximum acceptable payback period defined by the investor; varies by industry (e.g., captive power systems). ➢ Minimum IRR depends on risk profile and investment alternatives; commonly, project IRR of at least 15% is sought. Considerations for Investors: Different investors may have varied preferences based on their risk tolerance, business exposure, and time horizons. 46
  • 57. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Source: based on information of https://www.investopedia.com/ 47 Overview of Key Performance Indicators (KPIs) Commercial Viability Of Dre Investments - 2
  • 58. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Profitability in C&I Sector ● Profitability is linked to cash flow. ● Cash flow varies based on the chosen business model. Business Models Consumer Investment ● C&I consumer invests in the system. ● Benefits from savings due to reduced grid power and diesel generator usage. ESCO (Energy Service Company) Model ● ESCO invests in the system and leases it to C&I consumers. ● Cash flow comes from leasing fees. Key Input Data for SSA Region ● Solar irradiation: 2000 kWh/m2/year. ● Retail electricity price: EUR 0.10 per kWh. ● Retail diesel price: EUR 0.85 per liter. ● 70% of investment financed by a loan at 15% interest. Commercial Viability Of C&I Captive Power Systems - 1 48
  • 59. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Cost Breakdown for Solar PV System Leasing Scenario Calculation of Power Costs ➢ End customer (C&I) price: EUR 850. ➢ Includes a 20% profit margin for the system integrator. ➢ Leasing period: 10 years. ➢ Interest rate: 20%. ➢ Annual leasing fees: EUR 80,144. ➢ Cost per kWh: EUR 0.12. ➢ Competitive with grid power (EUR 0.14 per kWh) and diesel. ➢ Weighted average of power from the grid and diesel generators. ➢ Based on diesel price, share of power from diesel, and grid power price. Conclusion Commercial viability depends on the chosen model, with leasing scenarios offering competitive costs compared to grid and diesel power. Commercial Viability Of C&I Captive Power Systems - 2 49
  • 60. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Key Input Data, Captive Power C&I Source: GeoCode International GmbH, 2021 50 Commercial Viability Of C&I Captive Power Systems - 3
  • 61. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Key Performance Indicators (KPI) Of An Average C&I Captive Power System In SSA - 1 In terms of bankability, the project's cash flow provides adequate liquidity to support a 5-year loan at a 15% interest rate. DSCRs of 1.24 (Scenario 1) and 1.30 (Scenario 2) exceed the recommended threshold of 1.15 or 1.2, indicating strong financial viability and borrower comfort. In SSA, investing in a captive solar system proves profitable under average conditions for both C&I consumers and ESCOs. The IRR is notably high at 24-25%, surpassing the common borrower's required IRR of 15-20%. Positive NPV further validates the investment's profitability. KPIs, including IRR and NPV, are derived from calculations based on capital investment costs, operational costs, and revenues from energy cost savings (Scenario 1) or leasing fees (Scenario 2). Despite different revenue models, both scenarios exhibit similar profitability, with Scenario 1 having a higher NPV due to its longer evaluation period (20 years vs. 10 years). 51
  • 62. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Scenario 1: C&l invests Scenario 2: ESCO invests + leasing Generally acceptable KPI Project IRR 25% 24% > 15% NPV €177,000 €89,000 > 0 DSCR (based on EBITDA; 70:30 debt-equity-ratio) 1.24 (5 yrs. loan tenor @15%) 1.3 (5 yrs. loan @15%) > 1.15 Payback period 4 years 3.75 yrs </= 4 yrs Key Performance Indicators, Investor's Perspective 52 Source: GeoCode International GmbH, 2021 Key Performance Indicators (KPI) Of An Average C&I Captive Power System In SSA - 2 Key Performance Indicators, Captive Power Dre Investment Example
  • 63. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Questions / Comments
  • 64. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Risk Assessment Success Factors ● Properly configured and sized system. ● Professional installation. ● Regular preventive maintenance. Technical and Financial Risks ● Major Risk: Oversized system leading to excess power. ● Profitability impact if excess power can't be sold to the grid. Risk Mitigation Strategies ● Assessing load demand carefully. ● Installing load measures before design. ● Conducting commissioning tests and ongoing monitoring. ● Service contracts with suppliers. 53 Financial Risks in Investment Scenarios For C&I Consumer: ● Power cost savings may be less than expected. ● Bank loan repayment concerns. For ESCO/Leasing ● Risk of non-payment due to dissatisfaction. Mitigation Strategies for Financial Risks ● Leasing companies integrate engineering, installation, and maintenance ● Offering comprehensive services to enhance customer satisfaction and payment reliability.
  • 65. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Investments In Captive Re Power Systems, C&I Segment Source: GeoCode International GmbH, 2021 54 Risk Assessment
  • 66. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Careers Construction Finance / Investment Project Operation & Maintenance Corporate Commercial Asset Management / Infrastructure Trading / Forecast GridEdge Services Technical • Design Engineer • Project Engineer • Field Engineer • Financial Analyst • Invest Analyst • Private Equity Analyst • Project Finance associate • Project Coordinator • Project Manager • Programme Manager • Project Developer • Field Engineer • Operations Support Analyst • Field Supervisor • Contracting Manager • Energy Trading Analyst • Data Scientist • Machine Learning Engineer • Commercial manager • Business development manager • Project Development manager • Construction manager • Health & safety Manager • Field Supervisor • Project Engineer • HR • Finance • Accounting • Portfolio Manager • Asset Manager • Contract Manager • Flexibility Manager • Grid Services Analyst • Software Engineer • Forecasting and Analystics 55
  • 67. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB What’s Next? 56 An in-depth module for 400-level students, covering: • Battery Energy Storage Systems • Comprehensive solar PV (and hybrid) system design and simulation using industry-standard software for both minigrids and C&I projects (annual load profiles, annual resource simulations, techno-economic optimisation, risk assessment) • Feasibility / Appraisal / Project Development of both minigrids and C&I solar PV projects • Comprehensive investment analysis of both minigrid and C&I solar PV projects – for both the investor and the client • Building Business Plans for RE Projects • Project Risks & Risk Management • Basics of Finance & Investment for RE Projects • Business Models - Power Purchase Agreements & Asset Financing • More on career pathways • Support Global Competitions on Energy Efficiency
  • 68. Teaching in Confidence, Property of Oluwadamilare ALUKO; For the Department of Physics FUNAAB Appreciation 56 An in-depth module for 400-level students, covering: • Office of the Vice Chancellor • The Department of Physics, FUNAAB • The HOD, The Department of Physics, FUNAAB • Prof Adebayo • Dr Akinboro • Dr Alatise • Tech team • Students
  • 69. THANK YOU Dami Aluko LinkedIn damilarealuko@gmail.com Oluwadamilare ALUKO, MSc, AMEI, MIET, PRINCE2®