Welcome to Green-e® certification
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
Second Open Comment Period for Hydrogen Criteria in the Green-e® Renewable Fuels Program
Comments accepted through Friday, March 6, 2026
2025 Green-e® Verification Report (2024 Data) Released
Report shows a 14% increase in certified retail megawatt hours over previous year
CRS Listed Updates and Greenhouse Gas Protocol Open Consultation
This notification was sent to all current Green-e® Energy Participants and CRS Listed Facilities to highlight changes that have been made to the CRS Listed tracking attestation process over the last year, which are intended to make use of CRS Listed easier and clearer.
Green-e® Renewable Fuels Standard Expanded to Include New Requirements for Biomethane from Animal Waste
Center for Resource Solutions (CRS) is pleased to announce an important update to the Green-e® Renewable Fuels Standard.




