South Dakota Electricity Emission Factor 2023

EPA eGRID2023 Rev2 · 2 eGRID subregions · Dirty

South Dakota's electricity grid has a CO₂e emission factor of 984.5 lb/MWh (0.4466 kg/kWh) - 28% dirtier than the US average. The grid is 47% carbon-free and 43% renewable. These are the official EPA eGRID2023 values used for GHG Protocol Scope 2 location-based emissions reporting.

984.5

lb CO₂e / MWh

0.4466

kg CO₂e / kWh

47%

Carbon-free

43%

Renewable

eGRID Subregions in South Dakota

South Dakota spans 2 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
MROW	MRO West	926.552	0.4203	51.25%	Dirty
RMPA	WECC Rockies	1042.539	0.4729	41.86%	Very Dirty

Generation Mix

Solar1.2%

Wind37.6%

Nuclear7.8%

Hydro4.1%

Natural Gas13.1%

Coal35.2%

Biomass0.7%

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

Electricity cost in South Dakota

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

Sector	$/kWh
Residential	$0.1452
Commercial	$0.1147
Industrial	$0.0915
All sectors	$0.1204

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 Southwest Power Pool (SD's balancing authority). Red = dirtiest, green = cleanest. Data: EIA-930 (~24h lag).

Hours in local standard time. Swing: 1.18× between cleanest (01:00 local) and dirtiest (04:00 local).

Read full guide on hourly grid carbon intensity →

Derived metrics for South Dakota

Carbon cost of electricity: $345 per tonne CO₂e (residential rate ÷ grid intensity)
Annual per-capita CO₂e from electricity: 6,611 kg/yr (15.7k kWh × grid factor)
10,000 mi/yr EV emissions: 1261 kg CO₂e (at 0.30 kWh/mi)
Same miles in gas car: ~4,000 kg CO₂e (400 g/mi baseline)
EV vs gas savings: 68% cleaner
Grid trend 2018-2023: -25.8% (cleaner)

kWh to CO₂ Calculator - South Dakota

Enter electricity consumption (kWh):

Using South Dakota average: 984.5 lb CO₂e/MWh = 0.4466 kg/kWh. Source: EPA eGRID2023.

How to Use South Dakota'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 South Dakota 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

Colorado

1043 lb/MWh

Illinois

1030 lb/MWh

Iowa

1088 lb/MWh

Minnesota

927 lb/MWh

Missouri

990 lb/MWh

Montana

781 lb/MWh

South Dakota

985 lb/MWh

Frequently Asked Questions

What is South Dakota's electricity emission factor?

South Dakota's EPA eGRID2023 electricity emission factor is 984.5 lb CO₂e per MWh (0.4466 kg per kWh). This is 28% dirtier than the US national average.

How do I calculate Scope 2 emissions for a South Dakota facility?

Multiply the facility's annual kWh consumption by 0.4466 to get kg CO₂e. Divide by 1,000 for metric tonnes. For facilities spanning multiple South Dakota subregions, use the emission factors API to get the exact factor by ZIP code.

How clean is South Dakota's electricity grid?

South Dakota's grid is 47% carbon-free and 43% renewable. At 985 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