Presentation slides from Mark Gifford and Niall Gibson from IES' Achieving Excellence with IESVE session M&V for Building Performance.

1. www.iesve.com
If we can’t express what we know in the form of numbers,
we really don’t know much about it.
Lord Kelvin

2. Achieving Excellence with IESVE: Knowledge Series
M&V for Building Performance
Wed. 17th Jan24
www.iesve.com

3. Mark Gifford, IES
Associate Director, Energy Services
CEng MCIBSE
Interim VP, AEE
UK Chapter
Speakers
Niall Gibson, IES
Associate Director, Head of VE Sales

4. 1. Keep Your Cool with the Building Regulations - Part O
2. M&V for Building Performance
3. Interoperability & Architectural Building Performance
4. Modelling Heat Pumps in IESVE
Achieving Excellence with IESVE: Knowledge Series

5. Overview

6. • What is M&V?
• M&V in an Energy Modelling context
• Monitoring Based Commissioning (MBCx)
• Use Energy/BMS data to support Energy Modelling activities
• iSCAN + IES 'Live' Technology range
• Building Tuning & Optimisation
• Case Study Example
Agenda

7. What is M&V?

8. ▪ Origins in USA via Department of Energy (DoE)
▪ Adopted in Eastern Europe (+ USA) through 1990’s to
support Energy Investment Projects
▪ Used extensively via Energy Service Companies (ESCO) to
verify savings based payments
▪ Building as a Bank Account!
▪ Energy = Money
▪ Higher Energy Savings can equal larger Cash Payments
▪ M&V procedures used to track savings & compute payments
M&V Origins

9. Verified Savings = Cash Payments
“You can’t measure what didn’t happen!”

10. M&V Landscape

11. Modern BMS

12. Smart Buildings + Data

13. • M&V is a process that begins during the
project feasibility & planning stages
• Subsequently continues throughout a
post-project monitoring period
• These two discrete stages in the M&V
process are known as:
• Pre-installation
• Post-installation
M&V Stages

14. ▪ Pre-installation phase consists of the development of a Baseline energy model
▪ Typically achieved using available historical energy consumption records (normally weather corrected)
▪ Baseline historical energy readings collated over a time period long enough to measure overall performance
throughout different seasons and other relevant operational changes (e.g. school holidays)
▪ Once the Baseline is determined, an M&V Plan is developed to define the project energy targets,
how savings will be calculated, and how long energy performance will be evaluated for.
▪ !!! Meterability !!! ensure that required energy meters and monitoring infrastructure is installed
within the project to facilitate downstream M&V activities.
M&V Planning (pre-installation)

15. • The post-installation stage, often referred to as the Reporting Period,
consists of the careful measurement of the project’s energy savings
against the comparative Baseline.
• The Reporting Period covers a time period which reflects the same
seasonal changes which were used to establish the baseline model e.g. a
full year / 8,760 range etc
• Project savings are tracked closely in order to find and correct anomalies
or underperformance as it takes place: e.g. Q1/Q2/Q3/Q4 reporting
• Payments can then be made based on verified energy savings
M&V Delivery + Reporting (post-installation)

16. Key Parameter Measurement (IES Tool = iSCAN)
▪ Involves measurement of the main performance parameters
▪ Typically field based measurement
All Parameter Measurement (IES Tool = iSCAN)
▪ Involves measurement of all key performance parameters
▪ Typically centralised measurement e.g. BMS or EMS
Whole Facility Measurement (IES Tool = iSCAN)
▪ Involves measurement of energy at a whole facility level
▪ Typically Monthly Bills or Half-Hourly Data (AMR)
Calibrated Simulation (IES Tool = IESVE)
▪ Involves the use of Energy Modelling and calibrated simulation
▪ e.g. IESVE based activities
M&V Pathways
The most suitable M&V Pathway should be selected at the project planning stage (i.e. M&V Plan)

17. M&V Pathway Selection – Worked Example

18. M&V Pathway Selection – Warehouse

19. M&V Pathway Selection – Warehouse Cont.
Proposed Energy Project / ECM M&V Pathway

20. M&V and Energy Simulation in IESVE

21. R2 | CVRMSE | NMBE
y = mx + c
e.g. Heating Degree Days

22. Statistical Analysis Methods

23. Model Calibration
Low Accuracy
Low Precision
Low Accuracy
High Precision
High Accuracy
Low Precision
High Accuracy
High Precision

24. ▪ Consider Cause & Effect Principle
▪ M&V typically only focuses on the end result (i.e. the Effect)
▪ Additional Processes/Procedures are required to identify the Cause
- Performance Gap Analysis
- Monitoring Based Commissioning (MBCx)
- Fault Detection & Diagnostics (FDD)
M&V Limitations

26. IES M&V Support Tools

27. IES ‘Live’ Building
Stakeholder
Dashboards
Engineering
Analytics
IES M&V Support Tools

28. iSCAN Live Demo
IES M&V Support Tools

29. Consultancy: Energy Services
www.iesve.com/services/building-
operation

30. Training Course
www.iesve.com/online-training/bridging-the-gap-series

31. 1. Keep Your Cool with the Building Regulations - Part O
2. M&V for Building Performance
3. Interoperability & Architectural Building Performance
4. Modelling Heat Pumps in IESVE
Achieving Excellence with IESVE: Knowledge Series

32. Questions?
Thank you
www.iesve.com