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NorthWestern Energy Electricity Rates

NorthWestern Energy residential customers pay an average of 12.6¢/kWh (EIA-861, 2024, bundled service), or about $113.36 per month — 2% below the South Dakota state average. See what your bill looks like at that rate below.

Residential rate

12.6¢/kWh

EIA-861, 2024, bundled

Average bill

$113.36

per month, residential

Vs SD average

-2%

12.9¢/kWh state avg

What a NorthWestern Energy bill looks like by usage

Monthly cost at NorthWestern Energy's effective 12.6¢/kWh rate vs the South Dakota average of 12.9¢/kWh. U.S. homes average about 863 kWh/month.

Monthly usageNorthWestern EnergySD average
500 kWh$62.80$64.30
750 kWh$94.20$96.45
1,000 kWh$125.60$128.60
1,250 kWh$157.00$160.75
1,500 kWh$188.40$192.90
2,000 kWh$251.20$257.20

EV charging cost on NorthWestern Energy

Rate is pre-filled to NorthWestern Energy's 12.6¢/kWh. Enter your car's battery size.

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Frequently asked questions

NorthWestern Energy's average residential rate is 12.6¢/kWh (EIA-861, 2024). That's the effective bundled rate — total residential revenue divided by kWh sold — so it includes supply, delivery, and riders, not just the advertised energy charge.

Other utilities in South Dakota

Think your NorthWestern Energy bill is too high?

Start with our guide to estimating and lowering your electric bill, then find the culprits with the appliance running-cost tables. EV driver on a time-of-use plan? See off-peak EV charging.

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