Third-party ownership (TPO) in solar energy refers to a financing arrangement where a third party, typically a solar company or investor, owns and operates a solar energy system on a consumer's property. Companies continue to develop new products and services to meet growing demand for solar. SEIA is committed to supporting policies that enable this innovation to. . In this guide, we'll explain what TPO solar means, how it works, the pros and cons, and why this model is expected to become a dominant force in the solar industry starting in 2026 and beyond. In this model, the consumer does not have to pay for the upfront costs of purchasing and. .
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