The document summarizes the status of solar home systems (SHS) in Bangladesh, including:
1) Over 977,000 SHS have been installed to date through a program involving the Infrastructure Development Company Limited (IDCOL) and various partner organizations.
2) The program utilizes a financing structure where IDCOL provides grants and loans to partner organizations, who then sell SHS to consumers and provide financing and maintenance.
3) A recent technical audit found that SHS components generally met standards, though some manufacturers showed room for improvement in areas like battery performance and inverter efficiency.
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Status of shs in bangladesh spva presentation
1. Symposium on Small PV Applications
Status of SHS Dissemination
in Bangladesh
Experience with Physical, Financing and Technology
Shahriar Ahmed Chowdhury
Director, Centre for Energy Research
Assistant Professor, Department of EEE
United International University
E-mail: shahriar@eee.uiu.ac.bd
Monday; 6th of June, 2011
2. Highlights
Energy Scenario of Bangladesh
Progress of SHS project
Functional structure of SHS Project
Financial system of the program
Technical status and maintenance
requirements of the SHS
3. Bangladesh
Area: 144,000 km2
Population: 158 M
Population density: 1097/km2
Location: 20o33’ – 26o38’ (N)
88o02’ – 92o41’
Neighbors: India, Myanmar and
Bay of Bengal
Per Capita Income: 450 US$
Per capita electricity consumption:
236 kWh
(6th in South Asia, above Nepal )
Electricity access: 49%
Average GH Irradiation: 4.7 kWh/M2
Source: BPDB Annual Report 2009- 2010
4. Bangladesh : Primary Energy Mix (in %)
Hydro, 0.34
Coal, 0.75 Gas, 45.97
Petroleum
18.33
Biomass
34.58
Source: Statistical Year book of Bangladesh 2009
5. Power (Installed capacity 5823 MW )
226 (4%) 230 (4%) 230 (4%) 250 (4%)
186 (3%)
1263 (22%) 335 (6%)
Gas
Hydro Furnace oil
Steam Turbine Diesel
2638 (45%) Gas Turbine Hydro
1466 (25%) Combined Cycle
4822 (83%) Coal
Diesel
Plant Type Fuel Type
Source: Annual Report of BPDB 2009-2010
6. Generation (Total 27,470 GWh)
Hydro
24316 (89%) Gas
Furnace oil
728.56 (3%) Diesel
728.56 (3%) Coal
517.36 (2%)
876.51 (3%)
Public sector generation: 58%, Private (IPP) generation: 42%
Cost of bulk Supply (BDT): 2.68 Average bulk tariff (BDT): 2.37
Source: Annual Report of BPDB 2009-2010
7. PV Electrification Program of Bangladesh
SHS Rural Electrification starts in organized way
(RERED Project) in the year 2003 with the support
from IDA and GEF
Initial Installation of the project target was 50,000
within 5 and half year in off grid areas of Bangladesh
Initial target achieved 3 years ahead of completion
date and US$ 2M below the estimated cost
Following the success IDA, GTZ, KfW, ADB and IDB
have extended support
A revised target is set to 1 M SHS by 2012
Starting with 5 POs, IDCOL now have 30 POs
11. Functional Structure of the Project
APPLIES for
compliance SEEK APPROVAL
Testing SUPPLIERS TSC
Authority Provides PROVIDES
certificates APPROVAL
PAY FOR SUPPLY
EQUIPMENT EQUIPMENT
SEEK GRANT AND
PO SELECTION APPLIES
LOAN
COMMITTEE SELECT
PO/NGO IDCOL
PROVIDE GRANT
AND LOAD
GRANT AND REIMBURSE
SOFT TERM CREDIT CREDIT
SELLS SHS AND SUPPLY
PROVIDE SERVICE EQUIPMENT
OPERATIONS
COMMITTEE CONSUMERS DONORS
13. Partners of the Project
Government
Sources necessary fund for the program
Creates incentives (waiver of duties, tax benefits etc.)
IDCOL
Provides grants to POs to reduce SHS cost and capacity building
Soft loan to PO
Technical assistance (training, logistics and promotional supports)
Donor Agencies [WB(IDA), GEF, KfW, GIZ, ADB, IDB]
Provides grants and soft loans through IDCOL
Technical assistance to the program
Partner Organization (PO)
Select Areas and customers and install SHS
Extend micro credit to customers
provide after sales services
Manufacturer / Suppliers
Sell SHS or its components to POs
Professionals
Technical specification and impact assessment
14. Committees
PO Selection Committee
Consists of representatives from IDCOL and
relevant government ministry and organization
Select POs to implement the program on the
basis of micro finance experience, financial and
technical strength
Technical Standard Committee (TSC)
Consists of experts from University, Engineering
department of government and IDCOL
Determines technical standards, reviews product
Credentials of dealers and approves the eligible
equipment
Operations committee
Consists of program in charge from all POs
and representatives from IDCOL
Looks after the operational aspects of the program
15. Audits
IDCOL appoints independent organizations to conduct two
types of audit:
(i) Financial audit
The objective of the financial audit is to ensure that the
households’ down payments are accounted for properly
and POs are utilizing the grants and refinancing for their
intended purposes only.
(ii) Technical audit
The technical audit is conducted to ensure that only TSC
approved equipment with their committed quality are
used under the program. Representatives of the PO and
suppliers accompany the technical audit team.
16. Trainings
PO personnel
To build awareness and capacity building among the staff of
the POs’ and the consumers.
Topics: SHS configuration, positioning of SHS, installation
procedure and guidelines with measurements, maintenance
and troubleshooting of SHS and batteries, guidelines for
monitoring and inspection of SHS, market
development, micro-credit methods for marketing.
Cost: 80% of the total expense is sponsored by IDCOL and
the rest is shared by the POs.
For Consumer
Since SHS is entirely new to the households, consumer
trainings are conducted regularly to educate them. They are
trained on how to use the SHS and fix petty problems without
waiting for the technician.
17. Other supports
Following supports are extended to POs by IDCOL:
i) Logistic support: Each PO is given a computer for efficient
documentation related to SHS installation. They are provided with
tool boxes, motorcycle, demonstration kit, hydrometers and battery
chargers for rendering better service to customers. Major share of the
costs is sponsored by IDCOL.
ii) Promotional support: distribute publicity materials to raise
awareness and popularize the use of SHS in different parts of the
country. Posters, leaflets, T-shirts, and billboards are distributed to
the POs for wider publicity of solar energy. TV and radio
advertisement are also developed and aired.
iii) Exposure visit: To experience with the diversified uses of the PV
systems and other RETs, visits to other countries are also organized
both for PO representatives and IDCOL staffs.
18. Development Impacts
Provides illumination to rural areas.
Increases income generating activities e.g. working
hours have been increased for small businessmen,
weavers, tailors, hair dressers, and handicraft makers.
Students are getting benefits through extended hour of
studies at night.
The use of TV and radio has enhanced rural people’s
access to the outer world.
Study found that many women are feeling more secured
at night after installation of SHS.
20. Fund flow
Grant and Loan
Grant and Loan
IDCOL Debt service of
Government Donor
Debt service of
loan
loan
Grant and Debt service
Loan of Loan
Grant and Loan
PO Customer
Debt service of
loan
As of November, 2010 the POs are enjoying an average
collection efficiency (Loan repayment rate) of 97%
21. Refinancing
Donor agencies to IDCOL
IDA ADB IDB
Tenure 20 20 20
Grace Period 5 8 7
Interest rate 3% per annum 3-5% 3% per annum
Repayment frequency Semi-annual Semi-annual Semi-annual
IDCOL to PO
Tenure 6-8 years
Grace period 1-2 years
Interest rate (declining balance) 6%-8% per annum
Repayment frequency Semi-annual
PO to Customer
Tenure 1-5 years
Interest rate (declining balance) 12%-15% per annum
Repayment frequency Monthly
23. Financial support reduction scheme
Amount of grant available per SHS
Item Total Buy-down grant Institutional
development grant
First 20,000 $ 90 $ 70 $ 20
Next 20,000 $ 70 $ 55 $ 15
Next 35,000 $ 50 $ 40 $ 10
Next 88,160 € 38 € 30 €8
Next 35,000 € 36 € 30 €6
Next 235,000 € 34 € 30 €4
Next 100,000 € 28 € 25 €3
Next 72,000 € 22 € 20 €2
25. Findings from the last Technical Audit
Approach of the audit
I. Field observation and testing
60 SHS visited out of 300,000
6 out of 15 Partner Organisations visited
II. Manufacturer’s factory visit
4 Battery Manufactures
6 Charge Controller Manufacturers
5 Lamp Manufacturers
III. Laboratory Testing
SHS components (Batteries, Charge
Controllers, Lamp Circuits)
26. Azimuth, Tilt and shading of the installed panels)
Figures is in BDT
27. LVD and HVD of the installed charge controllers
30. Specific gravity of the charged and
discharged batteries
Charged Discharged
1300
1250
1200
Sp. Gravity (-)
1150
1100
1050
1000
A1 A2 A3 B1 B2 B3 B4 B5 C1 C2 D1 D2 D3
Manufacturer
31. Efficiency of the lamp circuit (Inverter)
at LVD at HVD
100
Inverter efficiency (%)
80
60
40
20
0
P1 P2 Q1 Q2 R1 R2 S1 S2 T1 T2
Manufacturer
32. Crest factor of the lamp circuit (Inverter)
at LVD at HVD
2.2
2.1
Crest factor (-)
2
1.9
1.8
1.7
P1 P2 Q1 Q2 R1 R2 S1 S2 T1 T2
Manufacturer
33. Voltage and current waveform of the inverter
Voltage waveform Current waveform
34. Quality of switch of the installed systems (contact resistance)
acceptable [%] unacceptable [%]
100
80
60
40
20
0
<1 1-2 2-3 3-4 4-5 >5
Age of system
Sample size: 180
35. Voltage drop in the connected wire
acceptable unacceptable
100%
80%
60%
40%
20%
0%
P Q R S T U V W
POs
36. Recommendations after Technical Audit
Well equipped national testing facility
Mobile equipment testers for field testing
A strong independent quality control
mechanism
Upgrading the technical standards
Standard packages for SHS
Educating consumers in operation and
maintenance
Proper training facilities for the field technicians
Emphasis on Loss Reduction by use of
appropriate components