City of Rock Hill - (SC)
Municipal electric utility · South Carolina · #418 of 3,199 U.S. utilities by customers · EIA utility #16195
City of Rock Hill - (SC) is a municipal electric utility serving 40,729 customers in South Carolina. In 2025 it sold 860 gigawatt-hours of electricity for $106.12M in revenue, an average realized rate of 12.33¢ per kWh across all customer classes and 12.34¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 36,786 | 368 | $45.38M | 12.34¢ | |
| Commercial | 3,903 | 407 | $51.52M | 12.64¢ | |
| Industrial | 40 | 85.2 | $9.22M | 10.83¢ | |
| Total | 40,729 | 860 | $106.12M | 12.33¢ |
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 (833 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 39,667 | 848 | $108.21M | 13.06¢ |
| 2022 | 40,367 | 843 | $104.42M | 12.53¢ |
| 2023 | 40,767 | 829 | $107.40M | 13.14¢ |
| 2024 | 40,379 | 852 | $105.58M | 12.55¢ |
| 2025 | 40,729 | 860 | $106.12M | 12.34¢ |
Reliability (2025)
Average outage time (SAIDI): 69 minutes per customer per year
Average outages (SAIFI): 0.76 per customer
Average restoration time (CAIDI): 91 minutes
As reported for South Carolina 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: 885 GWh
Winter peak demand: 161 MW
Energy losses: 2.8% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 40,729 meters
Customer-sited generation (net metering): 252 installations, 3.0 MW of capacity
Counties served
York, SC
Other large utilities in South Carolina
- Dominion Energy South Carolina, Inc - 824,270 customers, residential 16.41¢
- South Carolina Public Service Authority - 219,897 customers, residential 12.91¢
- Berkeley Electric Coop Inc - 138,073 customers, residential 16.32¢
- Horry Electric Coop Inc - 103,949 customers, residential 13.83¢
- Palmetto Electric Coop Inc - 81,863 customers, residential 14.39¢
- Blue Ridge Electric Coop Inc - (SC) - 74,014 customers, residential 19.82¢
- York Electric Coop Inc - 71,541 customers, residential 13.68¢
- Laurens Electric Coop, Inc - 66,192 customers, residential 15.62¢
All South Carolina utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #16195 in the EIA frame.