Welcome to Green-e® Certification

COVID-19 Update: Due to the shelter-in-place order in effect in the Bay Area, our San Francisco–based staff is working remotely during normal business hours. We are still available by phone and email—see Green-e Staff for contact information.


About Green-e

Center for Resource Solutions' Green-e® certification program is the trusted global leader in clean energy certification. We make it easy for businesses and individuals to purchase verified clean energy with confidence, and for consumers to choose sustainable products and services. We advocate for the advancement of clean energy policy, markets, and technology, and believe in their economic and environmental benefits. By working together, we can power a renewable future.

Latest News

Green-e Renewable Energy Standard for Canada and the United States Updated to Version 3.4

Update clarifies existing policies, protects market integrity, and allows for additional flexibility with eligibility criteria The Green-e® Governance Board voted to adopt various items brought forward during and following the Third Quarter 2019 Governance Board meeting requiring the Green-e Rene

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Green-e Renewable Energy Standard For Taiwan ROC

An English version is available further down the page   中華民國台灣的 Green-e™ 再生能源標準 2019 年 11 月 22 日   2019 年 11 月 22 日更新

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Just Released: 2019 Green-e Verification Report Released (2018 Data)

Center for Resource Solutions (CRS), through its Green-e® certification programs, certified over 62 million megawatt-hours in retail transactions in 2018, representing an overall increase of 4% compared to 2017 sales.

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