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 40,379 South Carolina accounts belong to City of Rock Hill, classed by EIA as municipal; the residential count is 36,492. Major event days make 85% of its yearly outage minutes (605 with them, 90 without).
At 824 kWh a month a City of Rock Hill home pays about $103 in energy: 12.55 ¢/kWh, 11.8% below the South Carolina average of 14.23 ¢.
Major event days make 85% of its yearly outage minutes (605 with them, 90 without).
Major events weigh on City of Rock Hill: 605 minutes with them, 90 without, so 85% of the total comes from event days, 6.75 times the everyday figure.
SAIFI adds the frequency view: 1.26 interruptions a customer a year, 1.24 times the national median (1.01), with 71 minutes per interruption.
| City of Rock Hill, 2024 | Home | Business | Bill | SAIDI |
|---|---|---|---|---|
| City of Rock HillLowest in this table | 12.55 ¢/kWh | 12.79 ¢/kWh | $103at 824 kWh | 90 minSAIDI |
| South Carolina average against this company, which is 4 of 19 on price | +1.68 ¢/kWhcompany 11.8% below | -2.15 ¢/kWhcompany 20.2% above | +$14a month at 824 kWh | +6 mincompany 6 below |
| York Electric Coop Inc | 12.65 ¢/kWhcompany 0.8% below | 12.02 ¢/kWhcompany 6.4% above | $1041 more than company | 89 mincompany 0 above |
Compare 26 South Carolina companies
City of Rock Hill: -1.7% on 2024 for homes, South Carolina +5.1%.
City of Rock Hill reported 12.34 ¢/kWh for homes in 2025, -1.7% on its 2024 figure of 12.55, while the South Carolina average moved +5.1%. Its SAIDI is 69 minutes against 90 in 2024.
City of Rock Hill serves 36,492 homes in South Carolina. At 824 kWh a month that is about 208 kg of CO₂, or 2,498 kg a year, at the South Carolina plant rate, state generation and not this utility: South Carolina generation mix.
12.31 ¢ in 2015, 12.55 ¢ in 2024 (+1.9%); South Carolina 12.57 to 14.23 ¢.
| Year | City of Rock Hill | Gap to South Carolina residential | Gap to U.S. residential |
|---|---|---|---|
| 2015 | 12.31 | -0.26 | -0.34 |
| 2016 | 12.95 | +0.30 | +0.40 |
| 2017 | 12.90 | -0.12 | +0.01 |
| 2018 | 13.06 | +0.62 | +0.19 |
| 2019 | 13.24 | +0.25 | +0.23 |
| 2020 | 13.48 | +0.70 | +0.33 |
| 2021 | 13.06 | +0.20 | -0.60 |
| 2022 | 12.53 | -1.06 | -2.51 |
| 2023 | 13.14 | -0.54 | -2.86 |
| 2024 | 12.55 | -1.68 | -3.93 |
10 rows from EIA retail sales.
CSV120 min in 2015, 90 in 2024.
| Year | City of Rock Hill, no major events |
|---|---|
| 2015 | 120 |
| 2016 | 134 |
| 2017 | 69 |
| 2018 | 111 |
| 2019 | 93 |
| 2020 | 70 |
| 2021 | 37 |
| 2022 | 86 |
| 2023 | 52 |
| 2024 | 90 |
10 rows from EIA-861 survey.
CSV89.6 min, 0.90x the median reporter, rank 298 of 673.
City of Rock Hill, Reliability: EIA-861 survey.
CSVCity of Rock Hill billed homes 12.31 ¢/kWh in 2015 and 12.55 ¢ in 2024, +1.9% in all, and lagged the South Carolina average (+13.2%) by 11.3 points. City of Rock Hill's sharpest move came in 2016, +5.2%. The high is 13.48 ¢ (2020) and the low 12.31 ¢ (2015). 2024: -4.5% here, +4.0% for the South Carolina average. SAIDI at City of Rock Hill (major events excluded) fell from 120 minutes in 2015 to 90 in 2024, -25%; best year 2021 at 37. At 90 minutes in 2024, City of Rock Hill sat -10 from the national SAIDI median, with 7 of 10 years below it. 2024: 605 minutes with major events, 90 without, the widest gap of any year. City of Rock Hill has 3 cheaper and 15 higher-priced South Carolina peers among 19 with 20,000+ homes. Next cheaper, Greer Commission of Public Wks, bills 11.80 ¢ (-0.74). Next higher-priced, York Electric Coop Inc, bills 12.65 ¢ (+0.11).
A 11.8% discount to South Carolina comes with ordinary reliability, 90 minutes or 0.90x the national median.
Home accounts at City of Rock Hill went from 33,471 in 2015 to 36,492 in 2024, +9.0%. Business customers paid 1.02 times the home price in 2024 (12.79 against 12.55 ¢); the ratio was 0.95 in 2015. SAIFI went from 1.37 in 2015 to 1.26 in 2024, between 0.46 and 1.56.
Yearly SAIDI at City of Rock Hill: 120 minutes in 2015, 90 in 2024, a drop of 25%. The low came in 2021 at 37, the high in 2016 at 134; 10 years were filed. The South Carolina median in 2024 was 95 minutes, so City of Rock Hill ran below it.
Home rates at City of Rock Hill went from 9.94 ¢ in 2013 to 12.55 ¢ in 2024 (+26.3%), which is 13.73 ¢ to 12.88 ¢ in 2025 dollars (−6.2%). Over 12,000 kWh a year the real price meant $1,648 in 2013 and $1,545 in 2024. Of 30 South Carolina utilities with 1,000+ home accounts in 2024, City of Rock Hill stood 6th cheapest (5th of 40 in 2013).
City of Rock Hill at 90 min in 2024 and the South Carolina median at 95.
City of Rock Hill: 12.88 ¢ in 2025 dollars (solid) and 12.55 ¢ as billed (dashed) in 2024.
| Year, City of Rock Hill | ¢ billed | ¢ in 2025 $ | Price place, City of Rock H | SAIDI min | SAIFI | SAIDI place, City of Rock H | South Carolina median SAIDI |
|---|---|---|---|---|---|---|---|
| 2013 | 9.94 | 13.73 | 5 of 40 | – | – | – | – |
| 2014 | 11.56 | 15.72 | 8 of 40 | – | – | – | – |
| 2015 | 12.31 | 16.72 | 14 of 40 | 120 | 1.37 | 9 of 15 | 97 |
| 2016 | 12.95 | 17.37 | 19 of 41 | 134 | 1.56 | 8 of 15 | 134 |
| 2017 | 12.90 | 16.95 | 15 of 41 | 69 | 0.76 | 3 of 16 | 100 |
| 2018 | 13.06 | 16.75 | 19 of 41 | 111 | 1.56 | 8 of 16 | 118 |
| 2019 | 13.24 | 16.67 | 21 of 44 | 93 | 1.50 | 9 of 17 | 93 |
| 2020 | 13.48 | 16.77 | 19 of 32 | 70 | 0.90 | 3 of 15 | 114 |
| 2021 | 13.06 | 15.51 | 17 of 32 | 37 | 0.46 | 3 of 16 | 82 |
| 2022 | 12.53 | 13.79 | 13 of 32 | 86 | 1.25 | 8 of 18 | 99 |
| 2023 | 13.14 | 13.88 | 12 of 31 | 52 | 0.74 | 3 of 17 | 115 |
| 2024 | 12.55 | 12.88 | 6 of 30 | 90 | 1.26 | 7 of 18 | 95 |
City of Rock Hill, EIA utility 16195: EIA-861, CPI-U.
CSV| City of Rock Hill sector | Accounts | Rate ¢/kWh | Gap to South Carolina ¢/kWh |
|---|---|---|---|
| Residential | 36,492 | 12.55 | -1.68 |
| Commercial | 3,847 | 12.79 | +2.15 |
| Year | Home accounts, City of Rock Hill | Home ¢ | Business ¢ | Ratio | SAIDI | SAIFI |
|---|---|---|---|---|---|---|
| 2015 | 33,471 | 12.31 | 11.68 | 0.95 | 120 | 1.37 |
| 2016 | 34,147 | 12.95 | 12.23 | 0.94 | 134 | 1.56 |
| 2017 | 32,763 | 12.90 | 12.35 | 0.96 | 69 | 0.76 |
| 2018 | 35,181 | 13.06 | 12.40 | 0.95 | 111 | 1.56 |
| 2019 | 35,738 | 13.24 | 12.64 | 0.96 | 93 | 1.50 |
| 2020 | 36,183 | 13.48 | 12.84 | 0.95 | 70 | 0.90 |
| 2021 | 35,925 | 13.06 | 13.14 | 1.01 | 37 | 0.46 |
| 2022 | 36,588 | 12.53 | 12.59 | 1.00 | 86 | 1.25 |
| 2023 | 36,837 | 13.14 | 13.24 | 1.01 | 52 | 0.74 |
| 2024 | 36,492 | 12.55 | 12.79 | 1.02 | 90 | 1.26 |
| Utility near City of Rock Hill on price | SAIDI min, gap to City of Rock Hill | Home ¢, gap to City of Rock Hill | Gap % to City of Rock Hill | Accounts, City of Rock Hill = 1 |
|---|---|---|---|---|
| 1. MPD Electric Cooperative | +1 | -1.60 | -12.8% | 0.96 |
| 2. South Carolina Public Service Authority | -34 | -1.16 | -9.3% | 5.36 |
| 3. Greer Commission of Public Wks | No data | -0.74 | -5.9% | 0.87 |
| 4. City of Rock Hill (this utility) | 90 | 12.55 | - | 1.00 |
| 5. York Electric Coop Inc | -0 | +0.11 | +0.8% | 1.74 |
| 6. Palmetto Electric Coop Inc | -58 | +0.24 | +1.9% | 1.98 |
| 7. Horry Electric Coop Inc | +18 | +0.69 | +5.5% | 2.45 |
| Class at City of Rock Hill | Accounts | Of City of Rock Hill accounts | Of City of Rock Hill MWh sold | kWh a year per City of Rock Hill account |
|---|---|---|---|---|
| Residential | 36,492 | 90.4% | 42.3% | 9,884 |
| Commercial | 3,847 | 9.5% | 47.3% | 104,776 |
| Industrial and other | 40 | 0.10% | 10.3% | 2,201,425 |
| Measure | City of Rock Hill | South Carolina context | City of Rock Hill detail |
|---|---|---|---|
| City of Rock Hill home meters on AMI | 100.0% | South Carolina 88.7% | 36,492 of 36,492 meters |
| Homes with daily digital access | 36,492 | South Carolina figure not published | 100% of the 36,492 home accounts |
| Time-of-use rate for City of Rock Hill homes | Not on file | 9 of 13 South Carolina utilities offer one | no dynamic-pricing count filed by City of Rock Hill |
| Net-metered installations | 241 | 94% residential | 6.2 homes per 1,000 accounts, 11.7 kW average |
| kWh | Share of a 824 kWh month | Cost a month at 12.55 ¢ | vs U.S. | Cost a year |
|---|---|---|---|---|
| 250 | 30% | $31.37 | -$9.83 | $376 |
| 500 | 61% | $62.74 | -$19.66 | $753 |
| 750 | 91% | $94.10 | -$29.50 | $1,129 |
| 1,000 | 121% | $125.47 | -$39.33 | $1,506 |
| 1,500 | 182% | $188.21 | -$58.99 | $2,258 |
| 2,000 | 243% | $250.94 | -$78.66 | $3,011 |
| Measure, City of Rock Hill | No events | All events | Converted |
|---|---|---|---|
| SAIDI minutes | 89.6 | 605.0 | 1.49 h |
| SAIFI interruptions | 1.259 | 2.116 | 0.79 yr apart |
| CAIDI minutes | 71.1 | 285.9 | 1.19 h |
1 South Carolina counties, region SERC:
South Carolina other states: 1 of 1 county of City of Rock Hill drawn
City of Rock Hill: 1 county listed by EIA-861, Census 2023 outlines.
CSV40,379 accounts in 2024: residential 36,492, commercial 3,847, industrial 40.
In 2024 homes paid 12.55 cents; against the South Carolina average that is -11.8%.
SAIDI 89.6 min and SAIFI 1.26 a year, major events excluded; ratio to the national median 0.90, CAIDI 71 min.
241 installations with 2.8 MW, of which residential installations number 227.
824 kWh at 12.55 cents comes to about $103, energy only.
Rank 4 of 19 in South Carolina on price, -11.8% against the state average; 3 charge less than 12.55 ¢.
Homes take 42.3% of 851,823 MWh, commercial accounts 47.3%, industrial and other 10.3%; the 3,847 commercial accounts use 104,776 kWh each, 10.6 times a home.
36,492 of 36,492 home meters are AMI, 100.0%. City of Rock Hill reports no home time-of-use rate; 9 of 13 South Carolina filers do.
8th cheapest of 15 in 2015, 4th of 19 in 2024; its price rose 1.9% while South Carolina rose 13.2%.
12.34 cents per kWh, -1.7% on the 12.55 of 2024 (EIA early release for 2025).
Home prices nearest to City of Rock Hill at 12.55 ¢/kWh in 2024, among companies with a page here, any state.
4 home plan records, energy charges: 7.0 to 11.2 ¢/kWh.
Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).