Certified Green Power Suppliers

The Public Renewables Partnership strongly endorses certified renewable electricity products that meet environmental and consumer protection standards established by industry and other stakeholders. It's important that all consumer-owned utilities voluntarily abide by best practices and comply with some set of standards that aim to protect the consumer through ensuring consistency in environmental marketing claims.

Listed are parograms and organizations that currently offer green power certification services. Within these sites are listed utilities and green power marketers which have taken the time and expended capital to ensure compliance with a certification program.

Environmental Resources Trust

Green-e

Green pricing accreditation program

Oversight Program comparison

For an overview of information and guidelines on certification and verification of green power products, here is the document produced by the Green Powering Working Group entitled: A Resource for NGOs Considering a Green Power Purchase.