Colorado Electricity Emission Factor 2023

EPA eGRID2023 Rev2 · RMPA subregion · Very Dirty

Colorado's electricity grid has a CO2e emission factor of 1042.5 lb/MWh (0.4729 kg/kWh) - 35% dirtier than the US average. The grid is 42% carbon-free and 42% renewable. These are the official EPA eGRID2023 values used for GHG Protocol Scope 2 location-based emissions reporting.

1042.5
lb CO2e / MWh
0.4729
kg CO2e / kWh
42%
Carbon-free
42%
Renewable

eGRID Subregion: RMPA

Colorado is entirely within the RMPA (WECC Rockies) eGRID subregion.

Generation Mix

Solar5.4%
Wind25.8%
Hydro10.5%
Natural Gas26.4%
Coal31.7%

Electricity cost in Colorado

Latest monthly state-level average rate (EIA Form 861, 2026-04):

Sector$/kWh
Residential$0.1654
Commercial$0.1292
Industrial$0.094
All sectors$0.1307

State-level averages, not utility-specific tariffs. For exact pricing, check your utility's published rate schedule.

24-hour grid carbon profile

Average hourly CO2e intensity across the last 7 days from Public Service of Colorado (CO's balancing authority). Red = dirtiest, green = cleanest. Data: EIA-930 (~24h lag).

Hours in local standard time. Swing: between cleanest (14:00 local) and dirtiest (05:00 local).

Read full guide on hourly grid carbon intensity →

Derived metrics for Colorado

kWh to CO2 Calculator - Colorado

Using Colorado average: 1042.5 lb CO2e/MWh = 0.4729 kg/kWh. Source: EPA eGRID2023.

How to Use Colorado's Emission Factor for Scope 2 Reporting

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 facilities use the RMPA factor: 1042.539 lb CO2e/MWh.

curl "https://emission-factors.com/api/lookup?zip=YOUR_ZIP"

Compare with Other States

Nebraska
946 lb/MWh
South Dakota
985 lb/MWh
Wyoming
839 lb/MWh
Colorado
1043 lb/MWh

Frequently Asked Questions

What is Colorado's electricity emission factor?

Colorado's EPA eGRID2023 electricity emission factor is 1042.5 lb CO2e per MWh (0.4729 kg per kWh). This is 35% dirtier than the US national average.

How do I calculate Scope 2 emissions for a Colorado facility?

Multiply the facility's annual kWh consumption by 0.4729 to get kg CO2e. Divide by 1,000 for metric tonnes. For facilities spanning multiple Colorado subregions, use the emission factors API to get the exact factor by ZIP code.

How clean is Colorado's electricity grid?

Colorado's grid is 42% carbon-free and 42% renewable. At 1043 lb CO2e/MWh, it is 35% dirtier than the US average of 770.9 lb/MWh.

Get exact emission factors by ZIP code

33,616 ZIP codes · All 27 eGRID subregions · CO2e, NOx, SO2, generation mix

Read the API docs · Scope 2 calculation guide