Electricity rates in Rapid City, SD
Rapid City (73,569 people, Pennington County) is served by 3 electric utilities. Homes on Black Hills Power pay about 15.36¢/kWh, 8% more than the South Dakota average.
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Electric companies serving Rapid City
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Black Hills Power | Investor-owned utility | 15.36¢ | $108 | 68K | 541 |
| West River Electric Association | Electric cooperative | 16.05¢ | $144 | 19K | 24 |
| Black Hills Electric Co-op | Electric cooperative | 15.56¢ | $175 | 9,415 | 2,487 |
Power outages in Pennington County right now
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Outage history in Pennington County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 77 | 777 |
| Days with outages | 21 | 37 |
| Most customers out at once | 4,330 (6.4%) | 41,253 (60.6%) |
| Worst day | 2024-11-21 | 2025-11-13 |
Outage minutes by month, 2025
More outage time than 2024 (77 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Rapid Valley 15.4¢
- Blackhawk 15.4¢
- Colonial Pine Hills 15.4¢
- Box Elder 15.4¢
- Ellsworth Air Force Base 15.4¢
- Summerset 15.4¢
- Sturgis 15.4¢
- Custer 15.4¢
- Deadwood 15.4¢
- Lead 15.4¢
ZIP codes: 57701, 57702, 57703, 57709
Frequently asked questions
What is the electricity rate in Rapid City?
Most homes in Rapid City get power from Black Hills Power, where residential customers pay an average of 15.36¢/kWh including all charges. The South Dakota average is 14.20¢ and the U.S. average 17.99¢. Other utilities serving parts of Rapid City: West River Electric Association (16.05¢), Black Hills Electric Co-op (15.56¢).
What is the average electric bill in Rapid City?
About $108 a month, based on 700 kWh a month (the average for Black Hills Power customers) at 15.36¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Rapid City, SD?
3 utilities serve Rapid City's ZIP codes: Black Hills Power, West River Electric Association, Black Hills Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Rapid City?
In 2025, customers in Pennington County averaged 12 hr 57 min without power. Outages hit 37 days of the year, and the worst day was 2025-11-13, when 41,253 customers (60.6%) were out. Source: ORNL EAGLE-I.