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Welcome to the California Energy Commission
Public Interest Energy Research Program: Final Project Report


Publication Number: CEC-500-2008-091
Publication Date: April 2009
PIER Program Area: Renewable Energy Technologies

The abstract for this report is available below. This publication is available as an Adobe Acrobat Portable Document Format Files. In order to download, read and print PDF files, you will need a copy of the free Acrobat Reader software installed in and configured for your computer. The software can be downloaded from Adobe Systems Incorporated's website.


Passage of the California Community Choice Aggregation legislation, Assembly Bill 117 (Migden, Chapter 836, Statutes of 2002), provides local governments with the ability to combine electricity loads within their communities and act on behalf of those customers to buy or choose electricity for them. In this pilot project, 12 California local governments evaluated the feasibility of implementing community choice aggregation programs through which a minimum renewable energy mix of 40 percent would be achieved, at least doubling the Renewables Portfolio Standard. Three groups of cities/counties went on to develop business plans through this program detailing how community choice aggregation programs for their regions would be organized, governed, funded, and operated to provide at least 50 percent renewable energy to participating customers.

Researchers developed a variety of analytical models, reports, and tools to assist other cities and counties in understanding and implementing Community Choice Aggregation.

Keywords: Community choice aggregation, CCA, electricity loads, renewable energy, Assembly Bill 117, AB 117

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