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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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The Governance of Wholesale Power Markets

October 27, 2021

Wholesale power markets are core to the functioning of the US electricity system and to the transition to 100% clean energy. Yet their design and operations can be difficult to influence, or even track, due to complicated structures and processes, extensive regulations, and highly technical jargon. This paper is intended to shed some light on how power markets are governed.

Advice for States on 100% Clean Energy Planning Part One: The Process for Producing a Plan

October 27, 2021

To successfully achieve a 100% clean energy goal, a state will need to develop and implement a sound plan of action. This paper provides advice for states on the planning process, the organization of a plan, and the presentation of results.

Offshore Wind to Green Hydrogen: Insights from Europe

October 5, 2021

This report explores Europe’s approach to green hydrogen development and unpacks the opportunities and barriers to its rollout.

ConnectedSolutions: An Assessment for Massachusetts

September 30, 2021

This report assesses the design and performance of the Massachusetts ConnectedSolutions program, as it has been administered in the first three-year program cycle, and compares it with related programs in other states across the country.

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.