Generated renewable energy is placed into the grid with energy from other sources, so a consumer likely isn’t actually using renewable energy even if that particular site generates enough renewable energy for its own use. Claims to be using renewable energy thus legally require a renewable energy certificate, and a generating entity can use the REC for its own claim or sell the REC for additional revenue.The Eastern Municipal Water District sells its RECs, and that was the subject of a Dec. 4 session during the Dec. 3-6 Association of California Water Agencies fall conference in San Diego. Samuel Robinson, energy manager of EMWD, was a speaker during the Best Practices for Renewable Energy Certificates session as were TerraVerde Energy business development vice presidents David Burdi
