Power plants in Colorado emitted 1091.1 lb CO2e per MWh generated in 2023 (0.4949 kg/kWh), 42% dirtier than the US average, according to EPA's eGRID2023 state rate. Their generation was 37% carbon-free and 37% renewable. For GHG Protocol Scope 2 location-based reporting, use the eGRID subregion factor of each facility's ZIP (below), not the state rate: power flows across state lines within a subregion.
All of Colorado's ZIP codes are in the RMPA (WECC Rockies) eGRID subregion, whose Scope 2 factor is 1042.539 lb CO2e/MWh (0.4729 kg/kWh).
Generation by power plants in Colorado, 2023 (EPA eGRID2023 state resource mix).
Using the RMPA subregion factor (1042.539 lb CO2e/MWh = 0.4729 kg/kWh). Source: EPA eGRID2023.
For GHG Protocol Scope 2 location-based emissions reporting, multiply each facility's electricity consumption by the emission factor for its ZIP code's eGRID subregion. All Colorado ZIP codes use the RMPA factor: 1042.539 lb CO2e/MWh.
curl "https://emission-factors.com/api/lookup?zip=YOUR_ZIP"
For Scope 2 reporting, it depends on the ZIP: all are in RMPA, 1042.539 lb CO2e/MWh. EPA's state rate for plants in Colorado is 1091.1 lb CO2e/MWh, 42% dirtier than the US average.
Multiply the facility's annual kWh by the kg/kWh factor of its ZIP code's eGRID subregion (0.4729 for RMPA) to get kg CO2e, and divide by 1,000 for metric tonnes. The emission factors API returns the factor for any ZIP.
Power plants in Colorado generated 37% carbon-free and 37% renewable electricity in 2023. At 1091 lb CO2e/MWh, the state rate is 42% dirtier than the US average of 770.9 lb/MWh.
Get exact emission factors by ZIP code
33,700+ ZIP codes · All 27 eGRID subregions · CO2e, NOx, SO2, generation mix
Read the API docs · Scope 2 calculation guide