Stream Energy Illinois, LLC
Retail Power Marketer electric utility · Illinois · #1,970 of 3,199 U.S. utilities by customers · EIA utility #61092
Stream Energy Illinois, LLC is a retail power marketer electric utility serving 2,543 customers in Illinois. In 2025 it sold 20.7 gigawatt-hours of electricity for $2.65M in revenue, an average realized rate of 12.85¢ per kWh across all customer classes and 12.89¢ 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 |
|---|---|---|---|---|---|
| Residential | 2,415 | 16.8 | $2.17M | 12.89¢ | |
| Commercial | 128 | 3.8 | $486.00K | 12.68¢ | |
| Total | 2,543 | 20.7 | $2.65M | 12.85¢ |
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 (581 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 6,735 | 58.7 | $5.04M | 8.57¢ |
| 2022 | 5,136 | 43.4 | $4.50M | 10.48¢ |
| 2023 | 4,019 | 32.1 | $3.74M | 12.04¢ |
| 2024 | 3,152 | 24.8 | $3.01M | 12.38¢ |
| 2025 | 2,543 | 20.7 | $2.65M | 12.89¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 21.6 GWh
Winter peak demand: 10 MW
Energy losses: 4.5% of energy handled
Other large utilities in Illinois
- Commonwealth Edison Co - 3,261,563 customers, residential 17.71¢
- Ameren Illinois Company - 663,709 customers, residential 16.70¢
- MC Squared Energy Services, LLC - 293,923 customers, residential 8.14¢
- Homefield Energy - 160,102 customers, residential 10.64¢
- Energy Services Providers, Inc - 90,477 customers, residential 13.01¢
- Just Energy Solutions Inc. - 80,538 customers, residential 11.33¢
- City of Springfield - (IL) - 70,871 customers, residential 13.09¢
- Residents Energy, LLC - 69,834 customers, residential 17.34¢
All Illinois utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #61092 in the EIA frame.