Inland Power & Light Company
Cooperative electric utility · Washington · #367 of 3,199 U.S. utilities by customers · EIA utility #8699
Inland Power & Light Company is a cooperative electric utility serving 48,573 customers in Idaho, Washington. In 2025 it sold 1,076 gigawatt-hours of electricity for $100.07M in revenue, an average realized rate of 9.30¢ per kWh across all customer classes and 9.56¢ per kWh for residential customers. Its reported service territory covers 13 counties. EIA records its activities as: distribution, buying distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 44,526 | 767 | $73.32M | 9.56¢ | |
| Commercial | 3,544 | 220 | $20.96M | 9.53¢ | |
| Industrial | 503 | 89.0 | $5.79M | 6.51¢ | |
| Total | 48,573 | 1,076 | $100.07M | 9.30¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,436 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Washington | 46,238 | 1,034 | 9.56¢ |
| Idaho | 2,335 | 42.3 | 9.45¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 44,863 | 1,014 | $64.91M | 6.80¢ |
| 2022 | 45,692 | 1,079 | $88.45M | 8.45¢ |
| 2023 | 46,642 | 1,058 | $88.61M | 8.63¢ |
| 2024 | 47,805 | 1,066 | $92.60M | 8.97¢ |
| 2025 | 48,573 | 1,076 | $100.07M | 9.56¢ |
Reliability (2025)
Average outage time (SAIDI): 536 minutes per customer per year
Average outages (SAIFI): 2.55 per customer
Average restoration time (CAIDI): 210 minutes
As reported for Washington under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 1,165 GWh
Winter peak demand: 314 MW
Energy losses: 7.5% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.8% of 48,573 meters
Customer-sited generation (net metering): 677 installations, 6.2 MW of capacity
Counties served
Adams, WAAsotin, WABenewah, IDBonner, IDColumbia, WAFranklin, WAGarfield, WAKootenai, IDLincoln, WASpokane, WAStevens, WAWalla Walla, WAWhitman, WA
Other large utilities in Washington
- Puget Sound Energy Inc - 1,251,330 customers, residential 17.01¢
- City of Seattle - (WA) - 525,040 customers, residential 14.74¢
- Avista Corp - 424,411 customers, residential 13.37¢
- PUD No 1 of Snohomish County - (WA) - 385,159 customers, residential 12.08¢
- PUD No 1 of Clark County - (WA) - 243,809 customers, residential 10.63¢
- City of Tacoma - (WA) - 200,438 customers, residential 11.45¢
- PUD No 1 of Benton County - 58,679 customers, residential 9.13¢
- PUD No 2 of Grant County - (WA) - 56,753 customers, residential 6.17¢
All Washington utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #8699 in the EIA frame.