AEP - C3 - Week 4 Slides

8/17/2019 AEP - C3 - Week 4 Slides

1/18

CERTIFICATE PROGRAM

Developed by:

With generous support from:


2/18

MEASUREMENT & VERIFICATION

COLLABORATIVE INTEGRATED SKILLS

PROJECT PREP

WEEK 4


3/18

WEEK 4: LEARNING OBJECTIVES

Compare the three basic M&V methods

Choose which M&V method is best suited for particular situationsand understand the associated costs

Understand how to comply with local and national reporting andoperating standards

Demonstrate an understanding of metering, measurement, andperformance data


4/18

Required Readings:

1. The Energy Management Handbook : Chapter 27: Measurement &

Verification of Energy Systems

2. M&V Guidelines: Measurement and Verification for Federal Energy

Projects: U.S. Department of Energy

3. The International Performance Measurement and Verification Protocol

WEEK 4: READINGS


5/18

“The process of using measurement to reliably

determine actual savings created within an individual

facility by an energy management program.”

- International Performance Measurement and Verification Protocol

(IPMVP)

WHAT IS MEASUREMENT & VERIFICATION?


6/18

Purposes of M&V

Increase energy savings

Document spending

Enhance financing

Improve engineering, design, facility operations, and

maintenance

Manage budgets

Support evaluation of regional efficiency programs

Increase public understanding of energy management

Source: Patrick Crittenden, University of Technology, Sydney.

M & V: PURPOSES


7/18

Fundamental principles of good M&V practice:

Accurate

Complete

Conservative

Consistent

Relevant

Transparent

Photo: Simon A Eugster, via Wikimedia Commons.

M & V: PRINCIPLES


8/18

(Note: Steps 7-9 will be repeated every time a savings report is needed.)1. Consider the needs of the user

2. Select the IPMVP option that is most consistent with

a. The scope of ECMs

b. The need for accuracy and

c. The M&V budget 3. Gather relevant data from the baseline period and record it in a

way that can be accessed in the future

4. Prepare an M&V Plan

Source: IPMVP

M & V: DESIGN & REPORTING PROCESS


9/18

5. Design, install, calibrate, and commission special measurementequipment

6. Inspect installed equipment and revised operating proceduresto ensure that they conform to design intent

7. Gather data from the reporting period in accordance with M&Vplan

8. Compute savings

9. Report savings

(Optional ) Obtain third-party verification that:

• Plan adheres to IPMVP and/or performance contracts

• Savings reports comply with the approved M&V Plan

Source: IPMVP

M & V: DESIGN & REPORTING PROCESS


10/18

According to the International Performance Measurement & VerificationProtocol (IPMVP), there are four major approaches to M & V for energyperformance:

1. Retrofit Isolation: Key Parameter Measurement . Savings are determined byfield measurement of the key performance parameter(s) which define theenergy use of the ECM’s affected system(s) and/or the success of the project.

2. Retrofit Isolation: All Parameter Measurement . Savings are determined byfield measurement of the energy use of the ECM-affected system.

3. Whole Facility. Savings are determined by measuring energy use at the wholefacility or sub-facility level. Continuous measurements of the entire facility’senergy use are taken throughout the reporting period.

4. Calibrated Simulation. Savings are determined through simulation of theenergy use of the whole facility or of a sub-facility. Simulation routines aredemonstrated to model actual energy performance measured in the facility

adequately.

(Descriptions from IPMVP.)

Source: IPMVP

IPMVP: M & V METHODS


11/18

Scope of Study: Savings are determined by field measurement of the keyperformance parameters which define the energy use of the affected systems

and/or success of the project.

Frequency of Measurement : Measurement frequency ranges from short-term to

continuous, depending on the expected variations in the measured parameter and

length of the reporting period.

Typical application: A lighting retrofit where power draw is the key

performance parameter that is measured periodically; estimate operating hours

of the lights based on building schedules and occupant behavior.

How Savings are Calculated: Baseline and reporting period energy uses are

calculated from short-term or continuous measurements of key operating

parameters. Parameters not selected for field measurement are estimated.

Estimates can based on historical data, manufacturer’s specifications, or

engineering judgment.. Routine and non-routine adjustments must be made asrequired.

Source: IPMVP.

IPMVP: RETROFIT ISOLATION:KEY PARAMETERS


12/18

Scope of Study: Savings are determined by field measurement of the energy use

of the ECM-affected system.

Frequency of Measurement : Measurement frequency ranges from short-term to

continuous, depending on the expected variations in the savings and the length of

the reporting period.

Typical application: Application of a variable speed drive to a motor. In the

baseline period this meter is used for a week to verify constant loading. In the

reporting period, the meter is in place throughout the study to track variations.

How Savings are Calculated: Analyzing Short-term or continuous

measurements of baseline and reporting period computations using

measurements or proxies of energy use. Routine and non-routine adjustments as

required.

(Source: IPMVP)

IPMVP: RETROFIT ISOLATION: ALL PARAMETERS


13/18

Scope of Study: Savings are determined by measuring energy use at the whole

facility or sub-facility level.

Frequency of Measurement : Continuous measurements of the entire facility’s

energy use are taken throughout the reporting period.

Typical Application: A multifaceted energy management program affecting many

systems in a facility. Energy use is measured with the gas and electric utility

meters for a 12 month baseline period and throughout the reporting period.

How Savings are Calculated: Analyzing the entire facility ’s baseline and reporting

period usage data. Routine and non-routine adjustments must be made, as

required.

(Source: IPMVP)

IPMVP:WHOLE FACILITY


14/18

Scope of Study: Savings are determined through simulation of the energy use bythe whole facility, or a sub-facility.

Frequency of Measurement : Simulated routines are demonstrated to adequately

model actual energy performance measured in the facility. Intervals may vary by

project.

Typical Applications: Study of a multifaceted energy management program that

affects many systems in a facility, but where no meter existed in the baselineperiod.

How Savings are Calculated: Simulation is calibrated with hourly or monthly

utility billing data, where possible; differences are measured.

Source: IPMVP

IPMVP: CALIBRATED SIMULATION


15/18

DETERMINING WHICH M&V METHOD TO USE

A. Retrofit Isolation: Key Parameters

B. Retrofit Isolation: All Parameters

C. Whole Facility

D. Calibrated Simulation

Source: IPMVP


16/18

WEEK 4: IN-CLASS EXERCISES

1. When did the measurement and verification (M&V) of utility usagebegin? What were the key reasons for its initial implementation?

2. Describe the role of M & V in the viability of performance contracts

and/or other financing mechanisms.

3. Consider the three major methods of M & V that are covered by the

International Performance Measurement & Verification Protocol(IPMVP): Retrofit Isolation, Whole Building, and Calibrated

Simulation.

a) What are the major differences between the methods?

b) What are the two types of Retrofit Isolation studies? Why are they

different?

c) Discuss some basic considerations that might cause parties to choose

one method over another for a particular study objective.


17/18

WEEK 4: HOMEWORK: COLLABORATIVE

INTEGRATED SKILLS PROJECT

Your Integrated Skills Project Presentation will provide an opportunity to broadly

demonstrate what you’ve learned in your AEP studies.

A building from the AEP Portfolio may be used, or you may choose another

development subject. Please note that if you choose a building that is not an AEP

Portfolio property, then you will need to develop an equivalent depth of data and

documentation for your subject. Once you have selected a property to work with:

Develop an energy management (EM) program for your property, and create a pitch foryour proposal. You may use one of the EM programs covered in the AEP course

materials, or you may develop a hybrid model that addresses the key elements of

effective EM. Credit will be awarded for thoroughness and creativity in such key

elements as: (1) developing an initial plan; (2) setting targets; (3) proposing how you

will measure performance/results; and (4) explaining how your findings will be used

to make improvements.

Presentations on EM proposals will incorporate analysis of each of the following topics

that were covered during the AEP sequence: (1) building technologies and energy-

efficient retrofits; (2) real estate strategy (e.g., project impacts on market and financial

performance); (3) financial analysis (e.g., cash flows & returns on investment); (4)

stakeholder analysis; (5) operations & maintenance; and (5) performance assurance


18/18

Deliverables will include a PowerPoint presentation, sufficient supporting

documents, and a written report; the pitch will be made live via WebEx.

Your team presentation will be approximately 10-12 minutes long; your PowerPoint

presentation must include at least 10 slides; more than 20 are not recommended.

Your written report, which will pull together the covered material, will be

approximately 6-8 pages in length, double-spaced, in 11 or 12 point font. Data

sources (including portfolio material and in-class readings) must be referenced inyour endnotes.

To complete the document submission, prior to presentation, upload a Folder via the

Pathwright module according to these instructions:

Include the following in your folder:

PowerPoint presentation

MS Word document of your written report

Electronic files (scanned, if necessary) of any supporting documentation that:

You've referenced in the slides or the written report; or

That you intend to refer to in your live presentations.

WEEK 4: HOMEWORK: COLLABORATIVE

INTEGRATED SKILLS PROJECT

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AEP - C3 - Week 4 Slides

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