Stillwater Utilities Authority electricity rates
Municipal utility · Oklahoma · SPP region · SPP
Stillwater Utilities Authority is a city-owned municipal utility, governed locally rather than by the state commission, serving 19,604 homes in Oklahoma. Its residential customers pay an average of 14.40¢/kWh including fixed and delivery charges, 20% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend.
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Stillwater Utilities Authority bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $72.00 | $49.39 |
| 1,000 kWh | $144.00 | $90.69 |
| 1,500 kWh | $216.00 | $131.99 |
| 2,000 kWh | $288.00 | $173.30 |
*Low Usage Resdiential Service (LURS) (effective 2015-01-01, $8.08/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.
Stillwater Utilities Authority residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Low Usage Resdiential Service (LURS) | 2015-01-01 | $8.08 | 8.26¢ |
| Block Billing Service (BB)time-of-use | 2015-01-01 | $9.50 | 10.5¢ (12am–12am) — summer weekdays |
| Energy Efficient Residential Service (EERS)time-of-use | 2015-01-01 | $9.50 | 10.0¢ (12am–12am) — summer weekdays |
| Residential Heat Pump Rate (RHP)time-of-use | 2015-01-01 | $9.50 | 0.0¢ (12am–12am) — summer weekdays |
| Residential Service (RS)time-of-use | 2015-01-01 | $9.50 | 10.5¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Stillwater Utilities Authority rate history
2015–2025: +22% change in the average residential rate (11.30¢ → 13.79¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Stillwater Utilities Authority | Oklahoma avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 1,024 | 287 | 266 |
| Outages per customer (SAIFI) | 1.55 | 1.82 | 1.34 |
| Average restoration time (CAIDI) | 11 hr 1 min | — | — |
| Outage minutes excluding major storms | 22 | 142 | 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 Stillwater Utilities Authority's counties, customers averaged 3 hr 6 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Payne | 186 | 26 | 15,249 | 2025-03-14 |
Stillwater Utilities Authority service area
Stillwater Utilities Authority serves Payne County in Oklahoma and 4 ZIP codes.
Payne
Cities: Stillwater
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 19,577 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 60 |
Stillwater Utilities Authority at a glance
| Ownership | Municipal utility |
| Services | Generation, Distribution |
| Commercial rate | 12.36¢/kWh |
| Industrial rate | 9.40¢/kWh |
| Retail revenue (2025) | $54,118,000 |
| Electricity sold (2025) | 434,350 MWh |
| Peak demand | 121 MW summer · 89 MW winter |
| Line losses | 7.1% |
| Balancing authority | SWPP |
| EIA utility ID | 18125 |
Other utilities in Oklahoma
Frequently asked questions
What is Stillwater Utilities Authority's electricity rate?
Stillwater Utilities Authority residential customers pay an average of 14.40¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 5% above the Oklahoma average of 13.70¢ and 20% below the U.S. average.
What is the average Stillwater Utilities Authority electric bill?
About $127 a month. The average Stillwater Utilities Authority home uses 880 kWh a month. At 1,000 kWh the bill would be about $144.
How many customers does Stillwater Utilities Authority have?
Stillwater Utilities Authority serves 19,604 residential customers and 22,134 customers in total in Oklahoma, across 1 county.
How reliable is Stillwater Utilities Authority?
In 2025, the average Stillwater Utilities Authority customer was without power for 17 hr 4 min (SAIDI) over 1.55 interruptions (SAIFI), including major storms. Excluding major event days it was 22 min. The Oklahoma average was 4 hr 47 min and the U.S. average 4 hr 26 min.
Does Stillwater Utilities Authority offer time-of-use rates?
Yes. The OpenEI rate database lists 4 time-of-use residential plans, including Block Billing Service (BB). Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Stillwater Utilities Authority offer net metering for solar?
Stillwater Utilities Authority had 60 residential net-metered customers in 2025 with 0.5 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 Stillwater Utilities Authority before making decisions.