NTHERM, LLC
Retail Power Marketer electric utility · Pennsylvania · #647 of 3,199 U.S. utilities by customers · EIA utility #64705
NTHERM, LLC is a retail power marketer electric utility serving 23,551 customers in Ohio, Pennsylvania. In 2025 it sold 350 gigawatt-hours of electricity for $71.15M in revenue, an average realized rate of 20.31¢ per kWh across all customer classes and 19.78¢ per kWh for residential customers. EIA records its activities as: retail marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 11,455 | 104 | $20.56M | 19.78¢ | |
| Commercial | 12,096 | 246 | $50.58M | 20.53¢ | |
| Total | 23,551 | 350 | $71.15M | 20.31¢ |
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 (756 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Pennsylvania | 17,292 | 253 | 20.70¢ |
| Ohio | 6,259 | 97.4 | 17.29¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 14,901 | 265 | $29.13M | 11.10¢ |
| 2022 | 21,144 | 391 | $65.38M | 16.71¢ |
| 2023 | 22,393 | 343 | $54.72M | 15.83¢ |
| 2024 | 22,910 | 345 | $60.97M | 17.80¢ |
| 2025 | 23,551 | 350 | $71.15M | 19.78¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 350 GWh
Winter peak demand: — MW
Other large utilities in Pennsylvania
- FirstEnergy Pennsylvania Electric Co - 1,646,917 customers, residential 18.76¢
- PECO Energy Co - 1,326,554 customers, residential 18.02¢
- PPL Electric Utilities Corp - 934,737 customers, residential 18.60¢
- Reliant Energy Northeast LLC - 547,853 customers, residential 12.91¢
- Duquesne Light Co - 476,364 customers, residential 23.47¢
- CleanChoice Energy, Inc. - 215,303 customers, residential 16.37¢
- SmartEnergy Holdings, LLC - 199,336 customers, residential 15.49¢
- Inspire Energy Holdings, LLC - 191,325 customers, residential 15.63¢
All Pennsylvania utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #64705 in the EIA frame.