U.S. PV Leaderboard

Discuss your challenges with our Power & Renewables experts

Contact an Expert

Submit your details to find out more about how we can help you and your organisation

For details on how your data is used and stored, see our Privacy Notice.


We track the top commercial and residential installers and equipment suppliers in the U.S. solar market. Gain access to this exclusive data through the U.S. Distributed Solar Service.

Leveraging exclusive relationships with individual state-level rebate agencies and utilities, we have been able to combine detailed project-level data with survey data collected directly from installers and suppliers to produce the most comprehensive market share estimates available for the U.S. solar market. This product provides quarterly and national market share estimates for installers and module suppliers as well as state-by-state breakdowns for California, New Jersey, Arizona, Maryland, Massachusetts, Connecticut, New York, Pennsylvania, and New Mexico. The combined data represents over 70% of installed solar capacity in the U.S.

Installer market shares, both residential and commercial for California, New Jersey, Arizona, New York, Massachusetts, and Pennsylvania, and residential only for Connecticut, Maryland, New Mexico, and Hawaii (permit data). Installers are ranked nationally and by state.

Module and inverter supplier market shares, both residential and commercial, for California, New Jersey, Arizona, New York, Massachusetts, and Pennsylvania.

Major module and inverter suppliers to the top residential and commercial installers.

Learn more about our U.S. Distributed Solar Service here.