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Otter Tail Power Co
Otter Tail Power Co served 45,437 residential customers in North Dakota in 2025 (11.4% of the state's residential customers), the 4th largest of 17 utilities reporting there. Bundled service; ownership: investor owned; balancing authority MISO.
The meter, one average month.
Scroll to run 30 days of Otter Tail Power Co's average residential use through a five-dial register.
- Used so far
- 1,084 kWh
- At 11.07¢/kWh
- $120
Price ruler0 to 50¢ per kWh
Where 11.07¢ sits.
Otter Tail Power Co averaged 11.07¢ per kWh against a North Dakota residential average of 11.81¢: 6.2% below the state figure. Among the 3 investor owned utilities in North Dakota with bundled residential sales, it ranks 2nd from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Otter Tail Power Co home used 1,099 kWh a month at 9.7¢ and paid $107. In 2025 it used 1,084 kWh at 11.07¢ and paid $120: the price per kWh is up 14.1%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 9.7 | 11.07 |
| Use, kWh a month | 1,099 | 1,084 |
| Bill, US$ a month | 106.57 | 120.04 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 45,437 | 591,115 | 11.07 |
| Commercial | 13,628 | 1,946,074 | 7.01 |
| Industrial | 2 | 17,668 | 7.54 |
Who else is on the line
Homes are one class.
Homes took 23.1% of the electricity Otter Tail Power Co sold in North Dakota in 2025.
Rooftop solar on its linesnet metering
5 roofs.
- Residential net-metered PV
- 5installations reported for 2025
- Capacity
- 0.1 MWresidential, net metered
- Per 1,000 homes
- 0.1installations per 1,000 residential customers
Service territoryEIA-861
34 counties.
BarnesBensonBottineauBurleighCassCavalierDickeyEddyFosterGrand ForksGriggsKidderLaMoureLoganMcHenryMcLeanMountrailNelsonPembinaPierceRamseyRansomRenvilleRichland
Counties in North Dakota where Otter Tail Power Co reported serving customers in 2025 (34 in all; up to 24 listed).
EIA-8612025Utility 14232
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 11.07 | ¢/kWh |
| North Dakota average price | 11.81 | ¢/kWh |
| Difference from state average | -6.2 | % |
| Price change over 5 years | 14.1 | % |
| Typical monthly use | 1,084 | kWh |
| Typical monthly bill | 120.04 | US$ |
| Residential customers | 45,437 | accounts |
| Share of ND residential customers | 11.4 | % |
| Size rank in ND | 4 of 17 | by customers |
| Price rank, investor owned peers | 2 of 3 | 1 = lowest |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.
North Dakota: state average, five-year steps and every provider