OnSite Solar, LLC

OnSite Solar, LLC is a leading turnkey solar installation contractor headquartered in Liverpool, New York. Established as part of OnSite Companies—which has provided construction and maintenance services since 1998—OnSite Solar has grown into its largest division by specializing in distributed generation-scale solar projects across the Northeast United States. The company works primarily with commercial and industrial clients as well as developers to deliver comprehensive solutions that include self-performing over 85% of typical installations such as ground mounts, carports, and rooftops.
With a team exceeding 60 employees led by CEO Scott (with over three decades of business management experience), OnSite Solar offers both full turnkey project execution and tailored support for specific scopes within larger builds. Their expertise extends beyond installation to robust operations & maintenance services designed to maximize asset performance throughout the Eastern US. Notably recognized as one of New York State’s largest installers by volume, OnSite Solar emphasizes quality workmanship through skilled project managers, supervisors, electricians—and an approach focused on meeting each client’s unique requirements.