Black Hills Power Electric Rates and Average Monthly Bill

Black Hills Power reported 69,800 residential customers on bundled service in 2025, using 702 kWh a month on average at 15.07 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 12 South Dakota utilities with at least 10,000 bundled residential customers, Black Hills Power ranks 10 from the lowest price.

Figures cover all of Black Hills Power's states together. A utility with a large territory can have different rates in different places.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

EIA lists the counties where Black Hills Power has distribution equipment. That covers 11 counties in South Dakota, Wyoming, Montana. A county can be served by more than one utility, so confirm your address with the utility or your bill.

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For 2025, Black Hills Power reported an average of 13 minutes without power per customer and 0.39 interruptions per customer, with major event days left out. The typical interruption lasted about 33 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

Black Hills Power had about 114 fewer minutes of outage per customer than the median state. The South Dakota figure across its utilities was 64 minutes. One interruption lasting 33 minutes and 0.39 interruptions a year per customer add up to the 13 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.

• Time-of-use pricing. Black Hills Power does not report a residential time-of-use program in its 2025 EIA filing. Ask the utility, because programs change. How time-of-use rates work.
• Rooftop solar and net metering. EIA shows 226 residential net-metered systems on the Black Hills Power grid in 2025, with 1.5 megawatts of capacity. How net metering works.

A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In South Dakota, that review is done by the South Dakota Public Utilities Commission.

Black Hills Power is an investor-owned utility based in South Dakota, and it also reports customers in 2 other states.

By residential customers, Black Hills Power ranks 1st of the 16 utilities that report homes in South Dakota, with about 15.2% of the state's homes. South Dakota has too few other investor-owned utilities with reported prices to compare Black Hills Power with its type, so the state average of 13.32 cents per kWh is the fairest yardstick. At $105.86 a month, an average Black Hills Power home pays about $303 a year less than the South Dakota average of $131.10, and uses 282 kWh a month less. Black Hills Power reports customers in 3 states, and this profile uses its largest, South Dakota, for comparisons. 226 of its residential customers use net metering, or 3.2 per 1,000 homes, against 1.4 for South Dakota as a whole.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in South Dakota with at least 1,000 residential customers and a reported price.

See every one on the electric companies in South Dakota page.

Kilowatt Atlas is not Black Hills Power and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

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