Full Service Provider


A company that secures financing for solar installations, often owning the result, and may or may not build the project, sometimes contracting with local EPCs.


Responsible for the engineering, procurement and construction of solar projects. Often the primary contractor and will sometimes appoint subcontractors to do construction or electrical work.

Rooftop Contractor

A solar installer that works primarily on rooftop installations.

Electrical Subcontractor

A company that performs specialized work related to the installation of electrical systems, often under contract with the developer or EPC.

Construction Firm

A company that often works under a developer or EPC on a specific aspect of a solar array, such as pile driving or building solar structures.

Solar Hot Water Installer

A company primarily involved with solar hot water installations.

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