Qualifying Technologies
The following generation technologies qualify as producers of RECs:
- Solar electric
- Wind
- Geothermal
- Low Impact Hydropower (small-run-of-the-river facilities, not ones that require large dams and reservoirs, or affecting river flows adversely.)
- Biomass, biofuels and landfill to gas
- Fuel cells (only if powered by hydrogen produced by one of the above approved generators, not from fossil fuels).
- In some states, combined heat and power systems
Read more about this topic: Renewable Energy Certificate (United States)