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2022 Top Solar Contractors in United States

Solar Power World, the industry’s leading source for technology, development and installation news, presents the 2022 Top Solar Contractors list. The list ranks applicants according to their influence in the U.S. solar industry in 2021.

The list details the headquarters location of a company, number of employees, its primary market (utility, commercial/C&I, residential, or residential/commercial split) and its primary service (EPC, developer, solar installer, installation subcontractor, electrical subcontractor, sales partner). Companies choose their primary market and primary service. That does not mean they only work in these areas. They could work across all markets and all services, and their listed kilowatts reflect their cumulative installation numbers from the last year in all markets, services and states. Ranks are determined by the number of kilowatts (DC) a company was involved with installing in 2021 in the United States only. If two companies reported the same 2021 numbers, they were sorted by total kilowatts installed.


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