High Plains Power electricity rates
Electric cooperative · Wyoming · WECC region
High Plains Power is a member-owned electric cooperative, so its customers own it and elect its board, serving 12,868 homes in Wyoming. Its residential customers pay an average of 14.92¢/kWh including fixed and delivery charges, 17% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
What things cost on High Plains Power'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.
High Plains Power bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $74.60 | $71.49 |
| 1,000 kWh | $149.20 | $122.97 |
| 1,500 kWh | $223.80 | $174.45 |
| 2,000 kWh | $298.40 | $225.94 |
*Single Phase Service (effective 2014-01-01, $20.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
High Plains Power residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Single Phase Service | 2014-01-01 | $20.00 | 10.30¢ |
| Residential Time of Usetime-of-use | 2014-01-01 | $19.00 | 8.2¢ (12am–8am, 10pm–12am) · 11.5¢ (8am–10pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
High Plains Power rate history
2015–2025: +16% change in the average residential rate (12.31¢ → 14.23¢). Annual EIA-861 data.
Outages & reliability
Right now
Checking live outages…
Reliability history
| 2025 | High Plains Power | Wyoming avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 320 | 220 | 266 |
| Outages per customer (SAIFI) | 1.44 | 1.34 | |
| Outage minutes excluding major storms | 263 | 111 | 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 High Plains Power's counties, customers averaged 3 hr 40 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Washakie | 3,162 | 19 | 2,607 | 2025-04-19 |
| Carbon | 606 | 25 | 5,551 | 2025-08-25 |
| Johnson | 588 | 42 | 7,084 | 2025-11-13 |
| Big Horn | 252 | 15 | 1,675 | 2025-11-19 |
| Natrona | 226 | 28 | 43,178 | 2025-11-13 |
| Hot Springs | 204 | 15 | 1,001 | 2025-04-23 |
| Park | 154 | 29 | 2,206 | 2025-07-26 |
| Teton | 111 | 26 | 1,534 | 2025-10-27 |
| Fremont | 58 | 15 | 5,383 | 2025-07-11 |
High Plains Power service area
High Plains Power serves 9 counties in Wyoming and 44 ZIP codes.
Big Horn, Carbon, Fremont, Hot Springs, Johnson, Natrona, Park, Teton, Washakie
Cities: Casper, Riverton, Jackson, Cody, Rawlins, Lander, Worland, Thermopolis, Bar Nunn, Glenrock, Fort Washakie, South Park, Saratoga, Arapahoe, Rafter J Ranch
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 12,868 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 460 |
| Net-metered solar homes | 128 |
| Residential efficiency incentives paid (2025) | $9,106 |
| Residential energy saved by programs | 70 MWh |
High Plains Power at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 11.55¢/kWh |
| Industrial rate | 8.92¢/kWh |
| Retail revenue (2025) | $76,240,000 |
| Electricity sold (2025) | 785,052 MWh |
| Peak demand | 118 MW summer · 127 MW winter |
| Line losses | 4.1% |
| Balancing authority | WACM |
| EIA utility ID | 8566 |
| Website | Tri-State G&T |
Other utilities in Wyoming
Frequently asked questions
What is High Plains Power's electricity rate?
High Plains Power residential customers pay an average of 14.92¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 6% above the Wyoming average of 14.01¢ and 17% below the U.S. average.
What is the average High Plains Power electric bill?
About $141 a month. The average High Plains Power home uses 947 kWh a month. At 1,000 kWh the bill would be about $149.
How many customers does High Plains Power have?
High Plains Power serves 12,868 residential customers and 14,038 customers in total in Wyoming, across 9 counties.
How reliable is High Plains Power?
In 2025, the average High Plains Power customer was without power for 5 hr 20 min (SAIDI) over undefined interruptions (SAIFI), including major storms. Excluding major event days it was 4 hr 23 min. The Wyoming average was 3 hr 40 min and the U.S. average 4 hr 26 min.
Does High Plains Power offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including Residential Time of Use. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does High Plains Power offer net metering for solar?
High Plains Power had 128 residential net-metered customers in 2025 with 1.1 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 High Plains Power before making decisions.