Electricity rates — South Carolina Pub Serv Auth
South Carolina Pub Serv Auth's customers paid 11.4¢ per kWh in 2024, riders included (EIA-861): about $108 a month for 945 kWh. Residential Time-of-Use Rate Schedule RT-25, the one open plan at 1,000 kWh a month, comes to $2,158 a year, at the typical hour-by-hour use of homes in South Carolina. Schedule retrieved October 8, 2026.
Every priced South Carolina Pub Serv Auth plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Time-of-Use Rate Schedule RT-25✓ cheapesttime-of-use · in effect since April 2025 | $2,158.12 | — | 18.0¢ |
| Priced but not ranked — restricted, older, or not verifiable as a bill | |||
| Residential Transition Adjustment Schedule RTA-17priced by season · in effect since April 2017 · older schedule, not ranked | $1,510.40 | −$647.72 | 12.6¢ |
| Residential General Service Schedule RG-25demand charge · in effect since April 2025 · billed on peak kW, which monthly use cannot price; not ranked | $1,758.91 | −$399.21 | 14.7¢ |
Price South Carolina Pub Serv Auth’s plans at your own usage
What the one South Carolina Pub Serv Auth plan ranked here costs at each level of use
- 500 kWh/mo — $1,199.03 (Residential Time-of-Use Rate Schedule RT-25), the one plan ranked here
- 1,000 kWh/mo — $2,158.12 (Residential Time-of-Use Rate Schedule RT-25), the one plan ranked here
- 2,000 kWh/mo — $4,076.24 (Residential Time-of-Use Rate Schedule RT-25), the one plan ranked here
What South Carolina Pub Serv Auth's customers were billed in 2024
South Carolina Pub Serv Auth's open plans and its customers' bills disagree by more than a quarter: at 945 kWh a month, the median plan is 18.1¢ per kWh against 11.4¢ billed in 2024. Before relying on a plan price here, test it against a real South Carolina Pub Serv Auth bill in the bill analyzer.
| Ownership, as EIA classes it | State-owned |
|---|---|
| Full-service homes in South Carolina | 185,529 |
| Share of South Carolina's households | 7% |
| Average use per home | 945 kWh a month |
| Average bill per home | $107.52 a month |
| Billed per kWh, riders included | 11.4¢ |
| Median open plan here, at that use | 18.1¢ |
South Carolina Public Service Authority in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.
How it compares
Among the 100 utilities indexed, South Carolina Pub Serv Auth's cheapest open plan is the 35th-highest, 15% more than their median of $1,877.14. It sits between Wisconsin Power & Light Co ($2,132.93) and Rochester Gas & Electric Corp ($2,185.58).
In South Carolina it is the dearest of the 4 utilities indexed; Duke Energy Carolinas, LLC (South Carolina) starts lowest, at $1,756.80.
Its fixed charge, $20.00 a month on Residential Time-of-Use Rate Schedule RT-25, is higher than on the cheapest plan of 76 of the other 99 utilities.
RESIDENTIAL TRANSITION ADJUSTMENT SCHEDULE RTA-17 changes price with the season: a kWh costs 2.0¢ more in June to September than in October to May, and the same 1,000 kWh is billed $139.20 in its dearest month against $119.20 in its cheapest.
In the guides: What a bill costs before a single kilowatt-hour · The price that changes with the month
Cheapest 3 plans at 1,000 kWh a month
Residential Time-of-Use Rate Schedule RT-25 — $2,158.12 a year, 18.0¢ per kWh effective, time-of-use. It carries a $20.00 monthly standing charge. In effect since April 2025.
Residential Transition Adjustment Schedule RTA-17 — $1,510.40 a year, 12.6¢ per kWh effective, priced by season. It carries a $19.50 monthly standing charge. In effect since April 2017. Too old to quote as a current price.
Residential General Service Schedule RG-25 — $1,758.91 a year, 14.7¢ per kWh effective, demand-charged. It carries a $20.00 monthly standing charge. In effect since April 2025. Not ranked: it bills on peak demand, which monthly use cannot price.
How South Carolina Pub Serv Auth's plans are structured
Of 3 priceable plans: 1 time-of-use, 1 priced by season, 1 with demand charges.
Fixed monthly charges run from $19.50 to $20.00.
South Carolina Pub Serv Auth's published schedules
EIA-861 lists South Carolina Pub Serv Auth serving homes in South Carolina and in no other state, which is how its plans are placed there. 3 of its 3 published residential schedules can be priced.
When South Carolina Pub Serv Auth's time-of-use plans charge most
Residential Time-of-Use Rate Schedule RT-25 charges 37.4¢ a kWh every day 3 pm to 6 pm, April to October; and every day 6 am to 9 am, November to March, against 11.6¢ in its cheapest hours; those dearest hours are 13% of the year. Homes in South Carolina typically put 17% of their electricity in them (NREL ResStock).
In the guides: Time-of-use plans, hour by hour