CSE is a mission-driven nonprofit organization providing clean energy program design and management and technical advisory services. Headquartered in San Diego, CSE works nationwide in the clean energy industry with support of offices in Los Angeles, Boston and Oakland, Calif.

For over 20 years, CSE has been accelerating the transition to a sustainable world powered by clean energy.

Governments, regulators, utilities, businesses, property owners and consumers look to CSE as an objective implementation partner to develop customized solutions that help lower energy costs and increase choice and accessibility to clean energy technologies.

CSE is a unique organization because of our holistic view of sustainability and our role in the marketplace — with impacts spanning from public policy makers to industry stakeholders and consumer end-users.

CSE have also long-standing subject and market transformation expertise in renewable energy, clean transportation, building performance and energy efficiency – and understand the policies and regulations that influence their effective implementation. We appreciate how technologies scale and work together to create integrated solutions for consumers and how they support grid integration.

CSE's subject matter expertise and on-the-ground experience with a wide variety of sustainable energy solutions make us a trusted partner in meeting ambitious energy goals, saving money and reducing greenhouse gas emissions.

CSE offers large-scale market transformation programs like rebate and incentive program design, administration, end-user engagement campaigns, policy guidance and workforce training and education.

CSE's technical assistance experts provide sustainable energy feasibility studies, clean energy plan implementation, energy audits and consulting services.