Highlights of the Evaluation 4 Description of Energy Conscious Blueprint Program 6




НазваниеHighlights of the Evaluation 4 Description of Energy Conscious Blueprint Program 6
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Evaluation of The 2009
Energy Conscious Blueprint Program
clipboard01

Final Results


August 4, 2011

Global Energy Partners Project Director
P. Ignelzi


Principal Investigators

J. Murphy
K. Parmenter
J. Prijyanonda
B. Ryan

A. Sanchez
C. Williamson


Contents



Executive Summary 4

Highlights of the Evaluation 4

Description of Energy Conscious Blueprint Program 6

Purposes of the Study 8

Methods Used in the Evaluation 9

Results and Findings 10


Introduction and Project Overview 19

1.1Purposes of the Study 19

1.2Summary of Program and Scope of Project 21


Methods 25

2.1Data Collection 25

2.2Data Analysis 26


Realized Energy Impacts 28

3.1Results of Site Visits 28

3.2Gross Impact Adjustments 29

3.3Adjusted Gross Impacts for the Sample 30

3.4Adjusted Gross Impacts for the Program 60

3.5Net Program Impacts 63

3.6Load Shape Impacts 65


Review of Program Operations 71

4.1Program Description 71

4.2Current Program Practices and Recommendations for Achieving Program Objectives 71

4.3Other Findings of Interest from the Review 86


Recommendations for Improving Documentation and Future Savings Estimates 87

5.1Project Documentation 87

5.2Program Savings Document (PSD) 90


Sample Design 94

On-Site Data Collection 98

Interview Guide 102

Participant Survey and Survey Results 105

Impact Analysis 132

Measure Descriptions in the CL&P and UI Tracking Systems 151

Site Reports 161







List of Figures













List of Tables

Table ES-1 Realization Rates and Adjusted Program Savings Results Compared to Company-Reported Savings 5

Table ES-2 Energy Conscious Blueprint 2009 Projects and Company-Reported Savings 6

Table ES-3 Methods Used to Address the Evaluation Purposes 9

Table ES-4 Adjusted Annual kWh Program Savings Compared to Company-Reported Savings 11

Table ES-5 Adjusted Summer Peak Program Savings Compared to Company-Reported Savings 11

Table ES-6 Adjusted Winter Peak Program Savings Compared to Company-Reported Savings 12

Table ES-7 Net-to-Gross (NTG) Rates and Resulting Net Program Impacts 14
















Executive Summary

Global Energy Partners (Global) conducted this impact and process evaluation study for the Connecticut Energy Efficiency Board (EEB). It is an evaluation of the Energy Conscious Blueprint (ECB) program that is managed and operated by The United Illuminating Company (UI) and Connecticut Light and Power (CL&P) (collectively referred to as the Companies) on behalf of the Connecticut Energy Efficiency Fund. The scope of the current evaluation covers commercial and industrial (C&I) participants in the ECB program who completed projects and were paid incentives in the 2009 program year (PY 2009).

Throughout this document, we refer to the savings that the Companies recorded in their data tracking systems and provided to Global for review as “Company-reported savings.” In other studies, these are sometimes referred to as ex-ante savings, pre-installation savings, expected savings, claimed savings, tracking savings, or unverified savings. We refer to the savings results from Global’s independent review of the Company-reported savings as “realized savings,” “adjusted gross savings” or simply “adjusted savings.”1 In other studies, these adjusted savings are sometimes also referred to as ex-post savings or verified savings.

Highlights of the Evaluation

The Energy Conscious Blueprint Program (ECB) is a mature program with a well-established infrastructure for delivering the program services and tracking project activities. The program staff members at the Companies are fully knowledgeable about the program, the participants, and maintenance of the data on program activities.

The results of our impact evaluation show that overall, across all measure types, the program achieved a 101% realization rate on the Company-reported annual kWh savings (Table ES-1). We did find considerable variation in the rate across the major measure categories and across projects within the categories.

Table ES-1 Realization Rates and Adjusted Program Savings Results Compared to Company-Reported Savings

Savings Type

Company-Reported Savings

Adjusted Gross Savings

Realization Rate

Annual kWh Savings

47,004,439

47,516,042

101%

Summer Peak kW Savings

9,497

8,578

91%

Winter Peak kW Savings

4,749

5,194

110%
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