Black Hills Electric Coop, Inc electricity rates
Black Hills Electric Coop, Inc charges an average of 14.76 cents per kilowatt-hour to residential customers, and the average household on its system paid $164 a month using 1,109 kilowatt-hours, according to its 2024 filing with the U.S. Energy Information Administration.
Member-owned cooperative SWPP South Dakota
Where Black Hills Electric Coop, Inc sits
It is a smaller system, serving 9,227 residential customers, which means its fixed costs are spread across a narrow base. Its 14.76¢ per kilowatt-hour sits 6.2% below the South Dakota average of 15.73¢.
Its customers use more electricity than the national norm, 1,109 kilowatt-hours a month against 871, which amplifies whatever the rate does.
Owned by the customers it serves, with directors elected by members. Co-ops are frequently outside state rate regulation. That matters because a bill is not only the cost of generating electricity: it also carries the cost of the network, and who owns that network changes how it is paid for.
| Rate | Monthly bill | Monthly kWh | |
|---|---|---|---|
| Black Hills Electric Coop, Inc | 14.76¢ | $164 | 1,109 |
| South Dakota average | 15.73¢ | $138 | 981 |
| United States average | 18.44¢ | $155 | 871 |
Utility figures: U.S. Energy Information Administration, Form EIA-861 annual electric power industry report, 2024. State and national figures: Electric Power Monthly, May 2026. Methodology
Where Black Hills Electric Coop, Inc delivers
Its service territory covers 6 South Dakota counties, either wholly or in part. Utility boundaries follow historic franchise agreements rather than county lines, so a county appearing here does not mean every address in it is served by Black Hills Electric Coop, Inc.
- Custer
- Fall River
- Lawrence
- Meade
- Oglala Lakota
- Pennington
How often the power goes out
In 2024 the average Black Hills Electric Coop, Inc customer went 229 minutes without electricity across 1.03 interruptions. The median across the 941 utilities that report this is 185 minutes.
That is worse than typical. Overhead lines through wooded or storm-exposed terrain are the usual explanation, and the fix is vegetation management and circuit automation, both of which are recovered through rates.
Optional rate plans
Black Hills Electric Coop, Inc offers time-of-use pricing to residential customers. 6,149 households were enrolled, about 66.6% of its residential base.
These plans are opt-in almost everywhere. They reward households that can move laundry, dishwashing, water heating or electric vehicle charging out of the late-afternoon peak, and they cost more than the standard rate for households that cannot. How to tell which group you are in.
Rooftop solar on this system
79 residential customers had net-metered solar in 2024, totalling 1.33 megawatts. That works out to 8.6 installations per thousand customers, against a median of 8 across the utilities reporting it.
Adoption is above the national median, which generally tracks the retail rate more closely than it tracks sunshine. What exports are actually worth.
Other South Dakota utilities
| Utility | Rate | Bill | Customers |
|---|---|---|---|
| Northern States Power Co - Minnesota | 13.87¢ | $103 | 92,204 |
| Black Hills Power, Inc. | 14.37¢ | $110 | 60,951 |
| Watertown Municipal Utilities | 9.30¢ | $80 | 11,633 |
| City of Brookings | 11.12¢ | $90 | 10,544 |
| Otter Tail Power Co | 10.93¢ | $112 | 9,048 |
Black Hills Electric Coop, Inc rates: common questions
How much does Black Hills Electric Coop, Inc charge per kilowatt-hour?
An average of 14.76 cents per kilowatt-hour across its residential customers in 2024. That is -6.2% against the South Dakota average of 15.73¢ and -20.0% against the national average of 18.44¢. It is an all-in average across every residential rate schedule the utility offers, not a specific tariff.
What is the average Black Hills Electric Coop, Inc bill?
$164 a month, based on total residential revenue divided by residential customers over the 2024 survey year, at an average of 1,109 kWh a month. The national average bill is $155 at 871 kWh.
Who owns Black Hills Electric Coop, Inc?
It is classified by the EIA as a member-owned cooperative. Owned by the customers it serves, with directors elected by members. Co-ops are frequently outside state rate regulation.
Is Black Hills Electric Coop, Inc expensive compared with other South Dakota utilities?
It ranks #2 of the 20 South Dakota utilities covered here, counting from the most expensive. Nationally it ranks #456 of 1369.