Mountrail-Williams Electric Co-op electricity rates
Electric cooperative · North Dakota · MRO region · SPP
Mountrail-Williams Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 11,485 homes in North Dakota. Its residential customers pay an average of 7.77¢/kWh including fixed and delivery charges, 57% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
What things cost on Mountrail-Williams Electric Co-op's rate
Popular — tap to add, then add more to compare:
Add as many devices as you like to compare them side by side. Search again to add another, or use Duplicate to compare two settings.
Mountrail-Williams Electric Co-op bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $38.85 |
| 1,000 kWh | $77.70 |
| 1,500 kWh | $116.55 |
| 2,000 kWh | $155.40 |
Mountrail-Williams Electric Co-op rate history
2015–2025: +14% change in the average residential rate (6.35¢ → 7.25¢). Annual EIA-861 data.
Outages & reliability
Right now
Checking live outages…
Reliability history
| 2025 | Mountrail-Williams Electric Co-op | North Dakota avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 116 | 201 | 266 |
| Outages per customer (SAIFI) | 1.16 | 1.12 | 1.34 |
| Average restoration time (CAIDI) | 100 min | — | — |
| Outage minutes excluding major storms | 116 | 73 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Mountrail-Williams Electric Co-op's counties, customers averaged 94 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Williams | 269 | 28 | 2,124 | 2025-11-26 |
| McLean | 196 | 21 | 2,113 | 2025-12-12 |
| Divide | 160 | 2 | 97 | 2025-06-11 |
| Mountrail | 60 | 6 | 798 | 2025-05-14 |
| Ward | 30 | 8 | 2,806 | 2025-12-28 |
| Burke | 14 | 2 | 223 | 2025-05-10 |
Mountrail-Williams Electric Co-op service area
Mountrail-Williams Electric Co-op serves 6 counties in North Dakota and 27 ZIP codes.
Burke, Divide, McLean, Mountrail, Ward, Williams
Cities: Minot, Williston, Watford City, Stanley, New Town, Tioga, Parshall
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 11,485 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 6 |
Mountrail-Williams Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | Transmission, Distribution |
| Commercial rate | 4.71¢/kWh |
| Industrial rate | 8.16¢/kWh |
| Retail revenue (2025) | $436,592,000 |
| Electricity sold (2025) | 6,135,879 MWh |
| Peak demand | 791 MW summer · 844 MW winter |
| Line losses | 1.6% |
| Balancing authority | SWPP |
| EIA utility ID | 20413 |
Other utilities in North Dakota
Frequently asked questions
What is Mountrail-Williams Electric Co-op's electricity rate?
Mountrail-Williams Electric Co-op residential customers pay an average of 7.77¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 37% below the North Dakota average of 12.32¢ and 57% below the U.S. average.
What is the average Mountrail-Williams Electric Co-op electric bill?
About $116 a month. The average Mountrail-Williams Electric Co-op home uses 1,493 kWh a month. At 1,000 kWh the bill would be about $78.
How many customers does Mountrail-Williams Electric Co-op have?
Mountrail-Williams Electric Co-op serves 11,485 residential customers and 19,199 customers in total in North Dakota, across 6 counties.
How reliable is Mountrail-Williams Electric Co-op?
In 2025, the average Mountrail-Williams Electric Co-op customer was without power for 116 min (SAIDI) over 1.16 interruptions (SAIFI), including major storms. Excluding major event days it was 116 min. The North Dakota average was 3 hr 21 min and the U.S. average 4 hr 26 min.
Does Mountrail-Williams Electric Co-op offer net metering for solar?
Mountrail-Williams Electric Co-op had 6 residential net-metered customers in 2025 with 0.2 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Mountrail-Williams Electric Co-op before making decisions.