Electricity rates in Custer, SD
Custer (1,952 people, Custer County) is served by 2 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 Custer
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Black Hills Power | Investor-owned utility | 15.36¢ | $108 | 68K | 541 |
| Black Hills Electric Co-op | Electric cooperative | 15.56¢ | $175 | 9,415 | 2,487 |
Power outages in Custer County right now
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Outage history in Custer County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 134 | 3,961 |
| Days with outages | 14 | 35 |
| Most customers out at once | 714 (15.9%) | 5,295 (118.2%) |
| Worst day | 2024-01-13 | 2025-12-18 |
Outage minutes by month, 2025
More outage time than 2024 (134 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Colonial Pine Hills 15.4¢
- Hot Springs 15.4¢
- Rapid City 15.4¢
- Blackhawk 15.4¢
- Rapid Valley 15.4¢
- Summerset 15.4¢
- Box Elder 15.4¢
- Ellsworth Air Force Base 15.4¢
- Lead 15.4¢
- Deadwood 15.4¢
ZIP codes: 57730
Frequently asked questions
What is the electricity rate in Custer?
Most homes in Custer 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 Custer: Black Hills Electric Co-op (15.56¢).
What is the average electric bill in Custer?
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 Custer, SD?
2 utilities serve Custer's ZIP codes: Black Hills Power, Black Hills Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Custer?
In 2025, customers in Custer County averaged 66 hr 1 min without power. Outages hit 35 days of the year, and the worst day was 2025-12-18, when 5,295 customers (118.2%) were out. Source: ORNL EAGLE-I.