An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Green Power Partnership

Guide to Making Claims About Your Solar Power Use

This guide describes best practices for appropriately explaining and characterizing solar power activities and the fundamental importance of renewable energy certificates (RECs) for solar power use claims. This guidance is primarily focused on claims associated with on-site projects but is equally relevant for off-site owned projects as well.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.