Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EIA retail sales · How we got these numbers · Report an error
Roughly 216,494 South Carolina accounts belong to South Carolina Public Service Authority, classed by EIA as state; the residential count is 185,529. Businesses and industry take 79% of the 10,086,715 MWh it sells; homes take 21%.
South Carolina Public Service Authority: 945 kWh a month costs roughly $108 in energy at 11.38 ¢/kWh, -20.0% on the South Carolina average of 14.23 ¢.
Businesses and industry take 79% of the 10,086,715 MWh it sells; homes take 21%.
The customer mix of South Carolina Public Service Authority is its own: 185,529 home accounts buy 20.8% of 10,086,715 MWh, 30,938 commercial accounts buy 19.7%, and the remaining 59.4% goes to 27 industrial and other accounts. A typical South Carolina Public Service home uses 11,335 kWh a year, a typical business account 64,294.
| South Carolina Public Service Authority, 2024 | Home | Business | Bill | SAIDI |
|---|---|---|---|---|
| South Carolina Public Service Authority | 11.38 ¢/kWh | 9.43 ¢/kWh | $108at 945 kWh | 55 minSAIDI |
| South Carolina average against this company, which is 2 of 19 on price | +2.85 ¢/kWhcompany 20.0% below | +1.21 ¢/kWhcompany 11.3% below | +$27a month at 945 kWh | +40 mincompany 40 below |
| MPD Electric CooperativeLowest in this table | 10.94 ¢/kWhcompany 4.0% above | 7.89 ¢/kWhcompany 19.5% above | $1034 less than company | 90 mincompany 35 below |
Compare 26 South Carolina companies
No 2025 early-release row for South Carolina Public Service; 2024 stays the latest year.
No 2025 line exists yet for South Carolina Public Service Authority, so 11.38 ¢/kWh and a SAIDI of 55 minutes (2024, 185,529 homes) are the latest figures.
South Carolina Public Service Authority serves 185,529 homes in South Carolina. At 945 kWh a month that is about 239 kg of CO₂, or 2,864 kg a year, at the South Carolina plant rate, state generation and not this utility: South Carolina generation mix.
10.96 ¢ in 2015, 11.38 ¢ in 2024 (+3.9%); South Carolina 12.57 to 14.23 ¢.
| Year | South Carolina Public Servic | Gap to South Carolina residential | Gap to U.S. residential |
|---|---|---|---|
| 2015 | 10.96 | -1.61 | -1.69 |
| 2016 | 11.62 | -1.03 | -0.93 |
| 2017 | 11.98 | -1.04 | -0.91 |
| 2018 | 11.78 | -0.66 | -1.09 |
| 2019 | 11.52 | -1.47 | -1.49 |
| 2020 | 11.44 | -1.34 | -1.71 |
| 2021 | 11.32 | -1.54 | -2.34 |
| 2022 | 11.33 | -2.26 | -3.71 |
| 2023 | 11.38 | -2.30 | -4.62 |
| 2024 | 11.38 | -2.85 | -5.10 |
10 rows from EIA retail sales.
CSV23 min in 2015, 55 in 2024.
| Year | South Carolina Public , no major events |
|---|---|
| 2015 | 23 |
| 2016 | 24 |
| 2017 | 19 |
| 2018 | 21 |
| 2019 | 19 |
| 2020 | 24 |
| 2021 | 19 |
| 2022 | 24 |
| 2023 | 47 |
| 2024 | 55 |
10 rows from EIA-861 survey.
CSV55.2 min, 0.55x the median reporter, rank 177 of 673.
South Carolina Public Service Authority, Reliability: EIA-861 survey.
CSVFrom 10.96 ¢ in 2015 to 11.38 ¢ in 2024, a move of +3.9%: South Carolina Public Service Authority lagged its state (+13.2%) by 9.3 points, and -26.4 points against the U.S. South Carolina Public Service Authority's sharpest move came in 2016, +6.0%. The high is 11.98 ¢ (2017) and the low 10.96 ¢ (2015). 2024: -0.0% here, +4.0% for the South Carolina average. SAIDI at South Carolina Public Service Authority (major events excluded) rose from 23 minutes in 2015 to 55 in 2024, +140%; worst year 2024 at 55. South Carolina Public Service Authority filed SAIDI under the national median in 10 of 10 years; its 2024 figure was 55 minutes, -44 from that year's median. 2016: 2133 minutes with major events, 24 without, the widest gap of any year. South Carolina Public Service Authority has 1 cheaper and 17 higher-priced South Carolina peers among 19 with 20,000+ homes. Next cheaper, MPD Electric Cooperative, bills 10.94 ¢ (-0.44). Next higher-priced, Greer Commission of Public Wks, bills 11.80 ¢ (+0.42).
Two good signs together. Rates are 20.0% below South Carolina and outage time of 55 minutes beats the national median by 45%.
Home accounts at South Carolina Public Service Authority went from 145,208 in 2015 to 185,529 in 2024, +27.8%. Business customers paid 0.83 times the home price in 2024 (9.43 against 11.38 ¢); the ratio was 0.82 in 2015. SAIFI went from 0.29 in 2015 to 0.65 in 2024, between 0.27 and 0.65.
By 2024 the average South Carolina Public Service Authority customer sat through 55 minutes of outage, against 19 in 2013 (+194%). The low came in 2014 at 18, the high in 2024 at 55; 12 years were filed. The South Carolina median in 2024 was 95 minutes, so South Carolina Public Service Authority ran below it.
Home rates at South Carolina Public Service Authority went from 10.60 ¢ in 2013 to 11.38 ¢ in 2024 (+7.4%), which is 14.65 ¢ to 11.68 ¢ in 2025 dollars (−20.3%). Over 12,000 kWh a year the real price meant $1,758 in 2013 and $1,402 in 2024. Of 30 South Carolina utilities with 1,000+ home accounts in 2024, South Carolina Public Service Authority stood 3rd cheapest (8th of 40 in 2013).
South Carolina Public Service Authority at 55 min in 2024 and the South Carolina median at 95.
South Carolina Public Service Authority: 11.68 ¢ in 2025 dollars (solid) and 11.38 ¢ as billed (dashed) in 2024.
| Year, South Carolina Pub | ¢ billed | ¢ in 2025 $ | Price place, South Carolina | SAIDI min | SAIFI | SAIDI place, South Carolina | South Carolina median SAIDI |
|---|---|---|---|---|---|---|---|
| 2013 | 10.60 | 14.65 | 8 of 40 | 19 | 0.33 | 1 of 11 | 92 |
| 2014 | 11.23 | 15.27 | 7 of 40 | 18 | 0.31 | 1 of 13 | 95 |
| 2015 | 10.96 | 14.89 | 6 of 40 | 23 | 0.29 | 2 of 15 | 97 |
| 2016 | 11.62 | 15.58 | 8 of 41 | 24 | 0.40 | 1 of 15 | 134 |
| 2017 | 11.98 | 15.74 | 8 of 41 | 19 | 0.32 | 1 of 16 | 100 |
| 2018 | 11.78 | 15.10 | 7 of 41 | 21 | 0.31 | 1 of 16 | 118 |
| 2019 | 11.52 | 14.51 | 6 of 44 | 19 | 0.27 | 2 of 17 | 93 |
| 2020 | 11.44 | 14.23 | 4 of 32 | 24 | 0.39 | 1 of 15 | 114 |
| 2021 | 11.32 | 13.45 | 5 of 32 | 19 | 0.27 | 1 of 16 | 82 |
| 2022 | 11.33 | 12.46 | 4 of 32 | 24 | 0.46 | 1 of 18 | 99 |
| 2023 | 11.38 | 12.03 | 3 of 31 | 47 | 0.62 | 2 of 17 | 115 |
| 2024 | 11.38 | 11.68 | 3 of 30 | 55 | 0.65 | 3 of 18 | 95 |
South Carolina Public Se, EIA utility 17543: EIA-861, CPI-U.
CSV| South Carolina Public Service Authority sector | Accounts | Rate ¢/kWh | Gap to South Carolina ¢/kWh |
|---|---|---|---|
| Residential | 185,529 | 11.38 | -2.85 |
| Commercial | 30,938 | 9.43 | -1.21 |
| Year | Home accounts, South Carolina Public | Home ¢ | Business ¢ | Ratio | SAIDI | SAIFI |
|---|---|---|---|---|---|---|
| 2015 | 145,208 | 10.96 | 8.99 | 0.82 | 23 | 0.29 |
| 2016 | 147,447 | 11.62 | 9.52 | 0.82 | 24 | 0.40 |
| 2017 | 151,044 | 11.98 | 9.85 | 0.82 | 19 | 0.32 |
| 2018 | 154,586 | 11.78 | 9.81 | 0.83 | 21 | 0.31 |
| 2019 | 158,032 | 11.52 | 9.53 | 0.83 | 19 | 0.27 |
| 2020 | 160,917 | 11.44 | 9.47 | 0.83 | 24 | 0.39 |
| 2021 | 166,043 | 11.32 | 9.39 | 0.83 | 19 | 0.27 |
| 2022 | 170,536 | 11.33 | 9.37 | 0.83 | 24 | 0.46 |
| 2023 | 177,342 | 11.38 | 9.47 | 0.83 | 47 | 0.62 |
| 2024 | 185,529 | 11.38 | 9.43 | 0.83 | 55 | 0.65 |
| Utility near South Carolina Public Service on price | SAIDI min, gap to South Carolina Public Service | Home ¢, gap to South Carolina Public Service | Gap % to South Carolina Public Service | Accounts, South Carolina Public Service = 1 |
|---|---|---|---|---|
| 1. MPD Electric Cooperative | +35 | -0.44 | -3.9% | 0.18 |
| 2. South Carolina Public Service Authority (this utility) | 55 | 11.38 | - | 1.00 |
| 3. Greer Commission of Public Wks | No data | +0.42 | +3.7% | 0.16 |
| 4. City of Rock Hill | +34 | +1.16 | +10.2% | 0.19 |
| 5. York Electric Coop Inc | +34 | +1.27 | +11.2% | 0.32 |
| Class at South Carolina Public Service | Accounts | Of South Carolina Public Service accounts | Of South Carolina Public Service MWh sold | kWh a year per South Carolina Public Service account |
|---|---|---|---|---|
| Residential | 185,529 | 85.7% | 20.8% | 11,335 |
| Commercial | 30,938 | 14.3% | 19.7% | 64,294 |
| Industrial and other | 27 | 0.01% | 59.4% | 222,019,815 |
| Measure | South Carolina Public Service | South Carolina context | South Carolina Public Service detail |
|---|---|---|---|
| South Carolina Public Service home meters on AMI | 99.9% | South Carolina 88.7% | 186,407 of 186,502 meters |
| Homes with daily digital access | 92,145 | South Carolina figure not published | 50% of the 185,529 home accounts |
| Time-of-use rate for South Carolina Public Service homes | Offered | 9 of 13 South Carolina utilities offer one | 65 homes on dynamic pricing, 0.04% of 185,529 |
| Net-metered installations | 1,830 | 100% residential | 9.9 homes per 1,000 accounts, 6.9 kW average |
| kWh | Share of a 945 kWh month | Cost a month at 11.38 ¢ | vs U.S. | Cost a year |
|---|---|---|---|---|
| 250 | 26% | $28.46 | -$12.74 | $341 |
| 500 | 53% | $56.91 | -$25.49 | $683 |
| 750 | 79% | $85.37 | -$38.23 | $1,024 |
| 1,000 | 106% | $113.83 | -$50.97 | $1,366 |
| 1,500 | 159% | $170.74 | -$76.46 | $2,049 |
| 2,000 | 212% | $227.65 | -$101.95 | $2,732 |
| Measure, South Carolina Publi | No events | All events | Converted |
|---|---|---|---|
| SAIDI minutes | 55.2 | 58.4 | 0.92 h |
| SAIFI interruptions | 0.645 | 0.687 | 1.55 yr apart |
| CAIDI minutes | 85.5 | 85.1 | 1.43 h |
3 South Carolina counties, region SERC:
South Carolina other states: 3 of 3 counties of South Carolina Public Service Authority drawn
South Carolina Public Service Authority: 3 counties listed by EIA-861, Census 2023 outlines.
CSV216,494 accounts in 2024: residential 185,529, commercial 30,938, industrial 27.
In 2024 homes paid 11.38 cents; against the South Carolina average that is -20.0%.
SAIDI 55.2 min and SAIFI 0.65 a year, major events excluded; ratio to the national median 0.55, CAIDI 86 min.
1,830 installations with 12.7 MW, of which residential installations number 1,830.
945 kWh at 11.38 cents comes to about $108, energy only.
Rank 2 of 19 in South Carolina on price, -20.0% against the state average; 1 charge less than 11.38 ¢.
Homes take 20.8% of 10,086,715 MWh, commercial accounts 19.7%, industrial and other 59.4%; the 30,938 commercial accounts use 64,294 kWh each, 5.7 times a home.
186,407 of 186,502 home meters are AMI, 99.9%. South Carolina Public Service offers a home time-of-use rate; 65 customers use dynamic pricing, 0.04% of its homes.
2nd cheapest of 15 in 2015, 2nd of 19 in 2024; its price rose 3.9% while South Carolina rose 13.2%.
Not yet: 11.38 cents and 55 SAIDI minutes (2024) remain the newest South Carolina Public Service record.
Home prices nearest to South Carolina Public Service Authority at 11.38 ¢/kWh in 2024, among companies with a page here, any state.
3 home plan records, energy charges: 10.0 to 37.4 ¢/kWh.
Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).