Electricity rates in Madison, SD
Madison (7,258 people, Lake County) is served by 4 electric utilities. Homes on Northern States Power Co - Minnesota pay about 14.81¢/kWh, 4% more than the South Dakota average.
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Electric companies serving Madison
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Northern States Power Co - Minnesota | Investor-owned utility | 14.81¢ | $114 | 94K | 160 |
| Sioux Valley SW Electric Co-op | Electric cooperative | 14.90¢ | $188 | 23K | 59 |
| Southeastern Electric Co-op | Electric cooperative | 13.84¢ | $161 | 21K | 24 |
| City of Madison | Municipal utility | 12.95¢ | $137 | 2,818 | — |
Power outages in Lake County right now
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Outage history in Lake County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 59 | 61 |
| Days with outages | 13 | 17 |
| Most customers out at once | 562 (7%) | 893 (11.1%) |
| Worst day | 2024-10-29 | 2025-08-17 |
Outage minutes by month, 2025
More outage time than 2024 (59 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
ZIP codes: 57042
Frequently asked questions
What is the electricity rate in Madison?
Most homes in Madison get power from Northern States Power Co - Minnesota, where residential customers pay an average of 14.81¢/kWh including all charges. The South Dakota average is 14.20¢ and the U.S. average 17.99¢. Other utilities serving parts of Madison: Sioux Valley SW Electric Co-op (14.90¢), Southeastern Electric Co-op (13.84¢), City of Madison (12.95¢).
What is the average electric bill in Madison?
About $114 a month, based on 771 kWh a month (the average for Northern States Power Co - Minnesota customers) at 14.81¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Madison, SD?
4 utilities serve Madison's ZIP codes: Northern States Power Co - Minnesota, Sioux Valley SW Electric Co-op, Southeastern Electric Co-op, City of Madison. Which one serves you depends on your street address.
How often does the power go out in Madison?
In 2025, customers in Lake County averaged 61 min without power. Outages hit 17 days of the year, and the worst day was 2025-08-17, when 893 customers (11.1%) were out. Source: ORNL EAGLE-I.