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191 companies have now joined RE100 initiative and made a commitment to 100% renewable electricity.

Updated: Aug 16, 2019

Going 100%

Requirements of RE100 companies

Companies joining RE100 make a global, public commitment to 100% renewable electricity.

To achieve this goal, they must match 100% of the electricity used across their global operations with electricity produced from renewable sources – biomass (including biogas), geothermal, solar, water and wind – either sourced from the market or self-produced.

RE100 companies can achieve 100% renewable electricity through:

Production of renewable electricity from their own facilities. These can be grid-connected and onsite or offsite, or entirely off the grid. A company may consume its own renewable electricity or decide to make production-only claims.

Purchased renewable electricity sourced from generators and suppliers in the market. This includes direct purchases from specific generators (e.g. power purchase agreements), which can be located onsite or offsite. It also includes retail purchases from suppliers and utilities, and the purchase of stand-alone (“unbundled”) energy attribute certificates.  

For more information about the technical criteria, please contact

Reporting Progress

RE100 encourages companies to be completely transparent about the options they have chosen to meet their renewable electricity goals. This information is provided in RE100 company case studies and is available in the RE100 Annual Report.

Company progress towards 100% renewable electricity is reported annually to RE100 via the RE100 Reporting Spreadsheet or CDP’s Climate Change questionnaire. Consumption and production of renewable electricity need to meet credibility and transparency requirements, and be verified by a third party.

The set of criteria that renewable electricity sources and purchasing mechanisms must meet in order to support credible usage and delivery claims is provided in this technical briefing.


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