REC is the abbreviation for Renewable Energy Certificate, a tradable environmental commodity representing one megawatt-hour of renewable electricity generation. RECs function as proof that clean energy was produced and injected into the electrical grid. They decouple the environmental benefits of renewable energy from the physical electricity itself.
Market Mechanics
RECs are created, tracked, and retired through state-specific registry systems. A renewable energy facility generates one REC for each MWh produced. Once retired by an end-user, the REC cannot be reused, ensuring environmental integrity. Market prices fluctuate based on regional renewable energy supply and demand.
Buyer Categories
Utilities purchase RECs to meet renewable portfolio standard (RPS) requirements. Corporate buyers use them to achieve net-zero emissions targets. Individual consumers can purchase RECs to offset their electricity consumption.
Practical Value
RECs provide revenue streams for solar, wind, and other renewable energy projects, making them more financially viable. For HVAC and solar integrated systems, RECs enhance the economic case for on-site renewable generation. Typical REC values range from $15 to $40 per certificate depending on regional scarcity and energy type compliance.