Missouri Electricity Emission Factor 2023

EPA eGRID2023 Rev2 · 4 eGRID subregions · Dirty

Missouri's electricity grid has a CO₂e emission factor of 989.7 lb/MWh (0.4489 kg/kWh) - 28% dirtier than the US average. The grid is 43% carbon-free and 27% renewable. These are the official EPA eGRID2023 values used for GHG Protocol Scope 2 location-based emissions reporting.

989.7

lb CO₂e / MWh

0.4489

kg CO₂e / kWh

43%

Carbon-free

27%

Renewable

eGRID Subregions in Missouri

Missouri spans 4 eGRID subregions. Use the ZIP-level API to get the exact factor for each facility.

Subregion	Name	lb CO₂e/MWh	kg/kWh	Carbon-free	Rating
SRMW	SERC Midwest	1248.582	0.5663	31.6%	Very Dirty
RFCW	RFC West	916.054	0.4155	36.04%	Dirty
SPNO	SPP North	867.74	0.3936	54.15%	Dirty
MROW	MRO West	926.552	0.4203	51.25%	Dirty

Generation Mix

Solar1.6%

Wind12.5%

Nuclear16.4%

Hydro0.9%

Natural Gas16.9%

Coal51.1%

Generation mix shown for SRMW (primary subregion). See subregion pages for full breakdowns.

Electricity cost in Missouri

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

Sector	$/kWh
Residential	$0.1401
Commercial	$0.1049
Industrial	$0.0828
All sectors	$0.1143

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 Midcontinent ISO (MO's balancing authority). Red = dirtiest, green = cleanest. Data: EIA-930 (~24h lag).

Hours in local standard time. Swing: 1.22× between cleanest (11:00 local) and dirtiest (21:00 local).

Read full guide on hourly grid carbon intensity →

Derived metrics for Missouri

Carbon cost of electricity: $247 per tonne CO₂e (residential rate ÷ grid intensity)
Annual per-capita CO₂e from electricity: 7,770 kg/yr (13.7k kWh × grid factor)
10,000 mi/yr EV emissions: 1699 kg CO₂e (at 0.30 kWh/mi)
Same miles in gas car: ~4,000 kg CO₂e (400 g/mi baseline)
EV vs gas savings: 58% cleaner
Grid trend 2018-2023: -25.5% (cleaner)

kWh to CO₂ Calculator - Missouri

Enter electricity consumption (kWh):

Using Missouri average: 989.7 lb CO₂e/MWh = 0.4489 kg/kWh. Source: EPA eGRID2023.

How to Use Missouri'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. Facilities in different parts of Missouri may be in different subregions - use the API to get the exact factor by ZIP code.

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

Compare with Other States

Arkansas

955 lb/MWh

Illinois

1030 lb/MWh

Indiana

916 lb/MWh

Iowa

1088 lb/MWh

Kansas

1058 lb/MWh

Kentucky

910 lb/MWh

Missouri

990 lb/MWh

Frequently Asked Questions

What is Missouri's electricity emission factor?

Missouri's EPA eGRID2023 electricity emission factor is 989.7 lb CO₂e per MWh (0.4489 kg per kWh). This is 28% dirtier than the US national average.

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

Multiply the facility's annual kWh consumption by 0.4489 to get kg CO₂e. Divide by 1,000 for metric tonnes. For facilities spanning multiple Missouri subregions, use the emission factors API to get the exact factor by ZIP code.

How clean is Missouri's electricity grid?

Missouri's grid is 43% carbon-free and 27% renewable. At 990 lb CO₂e/MWh, it is 28% 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