This toolkit supplies evaluators doing energy efficiency evaluations in California with the latest versions of the key documents, rulings, and tools, that define, inform or control their evaluation efforts.

This report presents the impact evaluation results of the Marin Clean Energy (MCE) Home Utility Reports (HUR) program for 2015.

This report presents the process evaluation results on the statewide Home Upgrade Program and includes findings on program operations, participant engagement, non-energy impacts, contractor characteristics, and contractor-customer interactions.

This report for the Connecticut Energy Efficiency Board documents the difficulties that evaluators and programs in Connecticut faced in conducting evaluation studies and makes recommendations for improving data quality and consistency.

This report focuses on four utilities in California. The research for this report included reviewing program documents and tracking databases, conducting two rounds of interviews with four investor owned utility program managers, interviewing California Public Utility Commission staff members and an intervener, surveying 76 on-bill financing program participants and 29 vendors who helped deliver the program, interviewing 12 account executives, and conducting six focus groups across California with 46 energy audit participants who had not participated in on-bill financing.

This document constitutes the final report for the 2009-2010 process evaluation of the Low Income Energy Efficiency (LIEE) program operated by the four investor-owned utilities (IOU) of California for the California Public Utilities Commission (CPUC). The IOUs include: Pacific Gas and Electric Company (PG&E), Southern California Edison (SCE), Southern California Gas (SCG), and San Diego Gas and Electric (SDG&E). Although the program is now referred to as Energy Savings Assistance Program (ESAP), this report will employ the nomenclature used for the 2009-2010 program cycle.

This report presents the findings of Phase 2 of the California Public Utilities Commission Low Income Needs Assessment Study. The results of the needs assessment suggest that, over time, the programs have effectively targeted and provided services to low-income households that have the greatest need.