Otter Tail Power Co Electricity Rates and Average Bill (Minnesota)
Data through June 2026 (the latest month EIA has published) · Updated September 03, 2026
As of June 2026, Otter Tail Power Co's residential customers in Minnesota paid an average effective rate of 12.71¢/kWh with an average monthly bill of $88.83, per EIA Form 861-M data. That rate is 4.8¢ below the Minnesota average of 17.52¢/kWh; the U.S. average is 18.34¢/kWh.
Rate trend vs the Minnesota average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| July 2025 | 13.02 | 108.72 | 835 |
| August 2025 | 12.05 | 98.78 | 819 |
| September 2025 | 13.04 | 95.49 | 732 |
| October 2025 | 9.81 | 73.38 | 748 |
| November 2025 | 11.00 | 92.88 | 845 |
| December 2025 | 12.02 | 135.17 | 1124 |
| January 2026 | 10.39 | 142.88 | 1376 |
| February 2026 | 12.38 | 135.21 | 1092 |
| March 2026 | 10.90 | 111.92 | 1027 |
| April 2026 | 11.01 | 93.17 | 846 |
| May 2026 | 12.06 | 87.67 | 727 |
| June 2026 | 12.71 | 88.83 | 699 |
Otter Tail Power Co vs Minnesota vs the U.S.
| Otter Tail Power Co | Minnesota | U.S. average | |
|---|---|---|---|
| Rate (June 2026) | 12.71¢/kWh | 17.52¢/kWh | 18.34¢/kWh |
| Average monthly bill | $88.83 | $124.46 | $170.65 |
| Average monthly usage | 699 kWh | 711 kWh | 930 kWh |
| Rate change, 1 year | −10.4% | +2.3% | +5.0% |
Estimate a bill at Otter Tail Power Co rates
Worked example: 1,000 kWh at Otter Tail Power Co's average effective rate of 12.71¢/kWh is about $127.10. The utility's actual average usage is 699 kWh/month, which produces the $88.83 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Minnesota rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.