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Energy Profile

Montana

vs

South Dakota

Side-by-side comparison of electricity costs, generation mix, and renewable energy data.

MontanaMetricSouth Dakota
12.98¢/kWhResidential13.38¢/kWh
11.88¢/kWhCommercial10.89¢/kWh
7.02¢/kWhIndustrial8.68¢/kWh
#6Price Rank#13
57.4%Renewable %81.6%

Generation Mix

Montana

Coal
36.4%
Gas
3.7%
Hydro
34.3%
Wind
21.6%
Solar
1.4%

South Dakota

Coal
7.5%
Gas
10.8%
Hydro
22.0%
Wind
57.8%
Solar
1.6%

Frequently Asked Questions

Montana has cheaper residential electricity at 12.98¢/kWh. The difference is 0.40¢/kWh between the two states. Montana ranks #6 and South Dakota ranks #13 cheapest among all states.

Montana gets 57.4% of electricity from renewables, while South Dakota gets 81.6%. South Dakota leads in renewable energy adoption.

Electricity rates from EIA retail sales data. Generation mix from EIA electric power operational data.

Source: U.S. Energy Information Administration, 2026.

Comparing entity A and entity B on U.S. state-level electricity rates and generation mix requires lining up the underlying the EIA Open Data API and State Electricity Profiles data side by side. The table above runs the comparison on the canonical fields; the narrative below identifies the factor or factors that drive the most meaningful difference between the two.

Practical use of the comparison: read the data above, then drill into the individual entity A and entity B detail pages for the underlying breakdown. A pairwise comparison answers the relative question; the per-entity pages answer the absolute question.