Electricity rates in Porcupine, SD
Porcupine (1,062 people, Oglala Lakota County County) is served by 2 electric utilities. Homes on West River Electric Association pay about 16.05¢/kWh, 13% more than the South Dakota average.
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Electric companies serving Porcupine
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| 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 Oglala Lakota County County right now
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Outage history in Oglala Lakota County County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 32 | 126 |
| Days with outages | 3 | 8 |
| Most customers out at once | 563 (13.5%) | 816 (19.6%) |
| Worst day | 2024-08-06 | 2025-06-01 |
Outage minutes by month, 2025
More outage time than 2024 (32 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Pine Ridge 10.7¢
- Oglala 15.6¢
- Martin 13.2¢
- Hot Springs 15.4¢
- Rapid Valley 15.4¢
- Box Elder 15.4¢
- Colonial Pine Hills 15.4¢
- Ellsworth Air Force Base 15.4¢
- Custer 15.4¢
- Rapid City 15.4¢
ZIP codes: 57772
Frequently asked questions
What is the electricity rate in Porcupine?
Most homes in Porcupine get power from West River Electric Association, where residential customers pay an average of 16.05¢/kWh including all charges. The South Dakota average is 14.20¢ and the U.S. average 17.99¢. Other utilities serving parts of Porcupine: Black Hills Electric Co-op (15.56¢).
What is the average electric bill in Porcupine?
About $144 a month, based on 896 kWh a month (the average for West River Electric Association customers) at 16.05¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Porcupine, SD?
2 utilities serve Porcupine's ZIP codes: 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 Porcupine?
In 2025, customers in Oglala Lakota County County averaged 2 hr 6 min without power. Outages hit 8 days of the year, and the worst day was 2025-06-01, when 816 customers (19.6%) were out. Source: ORNL EAGLE-I.