Which renewable energy credit (REC) certification is recommended for purchased RECs?

The recommendation for purchased Renewable Energy Credits (RECs) is to seek Green-e certification. Green-e certification is a recognized program that ensures the environmental integrity of renewable energy certificates. It verifies that the RECs meet specific standards, confirming that the energy was generated from renewable sources and is eligible for sale and use. This certification provides transparency and credibility for the use of RECs in various sustainability programs, as it helps consumers and organizations know that the RECs they purchase are legitimate and contribute to renewable energy development.

The other certifications listed serve different purposes. Renewable Energy Standard (RES) refers to policies or regulations aimed at increasing the production of renewable energy but does not specifically certify RECs. ISO 14001 certification relates to environmental management systems and is not directly tied to RECs or their certification. Energy Star certification is focused on energy efficiency in products and buildings, rather than renewable energy generation or the trading of RECs. Thus, Green-e certification stands out as the best choice for ensuring the authenticity and reliability of purchased RECs in the context of sustainability and renewable energy initiatives.