Electricity rates in Clark, SD
Clark (1,050 people, Clark County) is served by 6 electric utilities. Homes on NorthWestern Energy pay about 14.13¢/kWh, 0% less than the South Dakota average.
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Electric companies serving Clark
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| NorthWestern Energy | Investor-owned utility | 14.13¢ | $133 | 52K | 120 |
| Northern Electric Co-op | Electric cooperative | 12.82¢ | $268 | 5,823 | 73 |
| Kingsbury Electric Co-op | Electric cooperative | 16.13¢ | $424 | 910 | — |
| H-D Electric Co-op | Electric cooperative | 11.63¢ | — | 0 | 60 |
| Codington-Clark Electric Co-op | Electric cooperative | 10.51¢ | — | 0 | — |
| WAPA-- Western Area Power Administration | Federal utility | — | — | 0 | — |
Power outages in Clark County right now
Checking live outages…
Outage history in Clark County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 62 | 468 |
| Days with outages | 8 | 11 |
| Most customers out at once | 317 (20%) | 1,953 (123.1%) |
| Worst day | 2024-07-31 | 2025-06-11 |
Outage minutes by month, 2025
More outage time than 2024 (62 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
ZIP codes: 57225
Frequently asked questions
What is the electricity rate in Clark?
Most homes in Clark get power from NorthWestern Energy, where residential customers pay an average of 14.13¢/kWh including all charges. The South Dakota average is 14.20¢ and the U.S. average 17.99¢. Other utilities serving parts of Clark: Northern Electric Co-op (12.82¢), Kingsbury Electric Co-op (16.13¢), H-D Electric Co-op (11.63¢).
What is the average electric bill in Clark?
About $133 a month, based on 939 kWh a month (the average for NorthWestern Energy customers) at 14.13¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Clark, SD?
6 utilities serve Clark's ZIP codes: NorthWestern Energy, Northern Electric Co-op, Kingsbury Electric Co-op, H-D Electric Co-op, Codington-Clark Electric Co-op, WAPA-- Western Area Power Administration. Which one serves you depends on your street address.
How often does the power go out in Clark?
In 2025, customers in Clark County averaged 7 hr 48 min without power. Outages hit 11 days of the year, and the worst day was 2025-06-11, when 1,953 customers (123.1%) were out. Source: ORNL EAGLE-I.