The Solar Stewardship Initiative (SSI) is the first-ever supply chain sustainability assurance scheme dedicated to the needs of the solar PV sector and its customers. The SSI brings together companies and stakeholders from across the global solar value chain to foster responsible production, sourcing, and stewardship of materials. 

The Initiative establishes SSI Standards, fusing international standards, industry and civil society expertise, and political acumen, to deliver a supply chain sustainability solution tailored to the business of solar.

The SSI Standards are used by independent assessors to evaluate compliance with robust sustainability and Environmental, Social and Governance (ESG) criteria within companies active in the solar value chain.

The SSI was set in motion by SolarPower Europe and Solar Energy UK in March 2021, as part of a workstream established in 2015 to promote sustainable production in the solar value chain.


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Solar Stewardship Initiative (SSI)

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