Compare Montana and South Dakota rates. Montana pays 0.99¢/kWh less than South Dakota. See per-kWh rates, average bills, and usage.
Rate Comparison
Metric
Montana
South Dakota
National Avg
Residential Rate
12.82¢/kWh
13.81¢/kWh
17.24¢/kWh
Avg Monthly Bill
$109.25
$137.24
$152.02
Monthly Usage
852 kWh
994 kWh
-
Market Type
deregulated
regulated
-
Rate Rank (1=highest)
#47
#39
-
YoY Change
+11.9%
+12.3%
-
Key Findings
Montana has lower electricity rates at 12.82¢/kWh vs 13.81¢/kWh in South Dakota (7.2% difference).
Montana residents pay about $28 less per month on average ($109.25 vs $137.24).
Montana is a deregulated market while South Dakota is regulated.
Both states have seen rate increases: Montana +11.9% and South Dakota +12.3% year-over-year.
Frequently Asked Questions
Is electricity cheaper in Montana or South Dakota?
Montana has lower residential electricity rates at 12.82¢/kWh compared to 13.81¢/kWh in South Dakota, a difference of 0.99¢/kWh.
What is the average electric bill in Montana vs South Dakota?
The average monthly electric bill is $109.25 in Montana and $137.24 in South Dakota. The national average is $152.02.
Are Montana and South Dakota electricity markets regulated?
Montana has a deregulated electricity market, while South Dakota has a regulated market. In deregulated markets, consumers can choose their electricity provider.
How can I verify my electricity bill in Montana or South Dakota?
Upload your bill to Utility Check for an independent third-party verification. We check rate calculations, compare your plan to alternatives, and identify billing errors. Visit our How It Works page to learn more.