Resource Library

Here you will find CESA's reports, guides, case studies, videos, and more. These resources are listed in chronological order, with the most recent first.

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How Wholesale Power Markets Work

August 19, 2021

The transition to a 100% clean electric supply will likely involve a very large amount of wind and solar power generation. These resources, with very low operating costs, fit poorly in wholesale electricity markets premised on the marginal cost of production—mostly fuel costs. To understand how this might play out, this white paper explores how power markets work today.

Guide to 100% Clean Energy States

August 19, 2021

This guide provides state officials and other stakeholders with information about the 18 states (plus the District of Columbia and Puerto Rico) that have adopted 100% clean energy goals. It includes information about the plans and other implementation reports that some of those states have produced.

Energy Storage Policy Best Practices from New England: Ten Lessons from Six States

August 5, 2021

This report explores energy storage policy best practices and lessons learned from the New England states. It aims to inform state policymakers and regulators seeking to expand energy storage markets.

Performance of solar leasing for low- and middle-income customers in Connecticut

May 6, 2021

In 2015, Connecticut Green Bank, in partnership with the solar and energy efficiency company PosiGen, launched a solar leasing program that targets low- and moderate-income homeowners. This study shows that the program has successfully reached underserved customers and has reasonable repayment rates given the credit characteristics of the participants.

Solar for Manufactured Homes: An Assessment of the Opportunities and Challenges in 14 States

April 29, 2021

Manufactured homes, formerly referred to as mobile homes, comprise over 6 percent of America’s housing stock and represent an even larger share of housing for low- and moderate-income households. CESA’s new report explores the opportunities and challenges for bringing the benefits of solar to manufactured housing residents in fourteen states.

Overcoming Barriers to Solar+Storage in Critical Facilities Serving Low-Income Communities: A Survey of Service Providers

April 21, 2021

As part of CESA’s Scaling Up Solar for Under-Resourced Communities project, Clean Energy Group conducted a survey of municipalities, community organizations, affordable housing developers, and technical service providers who have been involved in developing solar+storage projects.

Expanding Access to Solar for Low-to-Moderate Income Households and Communities: Lessons Learned for State Agencies

April 20, 2021

This document summarizes lessons learned from the State Energy Strategies project, a three-year collaboration between CESA and six states to implement innovative strategies to expand solar adoption in low-income communities.

Advancing Toward 100 Percent: State Policies, Programs, and Plans for Zero-Carbon Electricity

April 2, 2021

This report identifies the states’ specific 100 percent commitments, describes ways in which they are planning to achieve their goals, and highlights some of the initial plans they have developed.

Directory of State Clean Energy Programs and Policies for Low- and Moderate-Income Residents

Directory of State Low- and Moderate-Income Clean Energy Programs

March 11, 2021

This directory lists and describes state clean energy programs for low- and moderate-income residents and communities.

Community Outreach and Solar Equity: A Guide for States on Collaborating with Community-Based Organizations

February 17, 2021

This guide is a collection of best practices, ideas, and principles that provide states a foundation for building equitable relationships with community-based organizations and for working with them on solar development.