what is an rec in energy
What is a Renewable Energy Certificate (REC)? What is a Renewable Energy Certificate (REC)? A renewable energy certificate is simply the approved method for transferring, trading, selling or buying the environmental benefit associated with renewable energy. To understand renewable energy certificates, you first need to understand what makes renewable energy desirable, as well as a little about how electricity is transmitted. Renewable energy is basically: Renewable energy needs to be separated into these two parts because of the nature of the energy grid.