Devonshire Energy, LLC
Retail Power Marketer electric utility · District of Columbia · #3,166 of 3,199 U.S. utilities by customers · EIA utility #56521
Devonshire Energy, LLC is a retail power marketer electric utility serving 4 customers in District of Columbia, Massachusetts, New Hampshire, Rhode Island. In 2025 it sold 99.0 gigawatt-hours of electricity for $8.78M in revenue, an average realized rate of 8.87¢ per kWh across all customer classes and — per kWh for residential customers. EIA records its activities as: retail marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Commercial | 4 | 99.0 | $8.78M | 8.87¢ | |
| Total | 4 | 99.0 | $8.78M | 8.87¢ |
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 (— kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| District of Columbia | 1 | 8.3 | — |
| Massachusetts | 1 | 58.1 | — |
| New Hampshire | 1 | 21.3 | — |
| Rhode Island | 1 | 11.3 | — |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 4 | 123 | $6.82M | — |
| 2022 | 4 | 123 | $11.93M | — |
| 2023 | 4 | 104 | $5.13M | — |
| 2024 | 4 | 105 | $5.93M | — |
| 2025 | 4 | 99.0 | $8.78M | — |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 99.0 GWh
Winter peak demand: — MW
Other large utilities in District of Columbia
- Palmco Power DC, LLC - 2,618 customers, residential 24.05¢
- Horizon Power and Light, LLC - 1,317 customers, residential 16.08¢
- XOOM Energy Washington DC, LLC - 892 customers, residential 18.15¢
- Stream Energy Columbia, LLC - 195 customers, residential 18.34¢
All District of Columbia utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #56521 in the EIA frame.