Dominion Energy South Carolina, Inc: rates, outages and net metering

In South Carolina, Dominion Energy South Carolina, Inc bills 806,434 accounts, 86.4% residential, as an investor owned utility. Major event days make 96% of its yearly outage minutes (1908 with them, 81 without).

Virgil C. Summer Nuclear Station Unit 1 near Jenkinsville, South Carolina — Virgil C. Summer Nuclear Station Unit 1. Photo by DJSlawSlaw, CC BY-SA 3.0, Wikimedia Commons. Illustrative, not a listed utility's plant.

At 1,032 kWh a month a Dominion Energy South home pays about $151 in energy: 14.59 ¢/kWh, 2.5% above the South Carolina average of 14.23 ¢.

Major event days make 96% of its yearly outage minutes (1908 with them, 81 without).

Dominion Energy South: major event days

Share of SAIDI from major events: 96%1908 minutes with events, 81 without

Major events weigh on Dominion Energy South Carolina, Inc: 1908 minutes with them, 81 without, so 96% of the total comes from event days, 23.68 times the everyday figure.

SAIFI adds the frequency view: 1.19 interruptions a customer a year, 1.18 times the national median (1.01), with 68 minutes per interruption.

How it compares

Dominion Energy South Carolina, Inc
Dominion Energy South Carolina, Inc, 2024	Home	Business	Bill	SAIDI
Dominion Energy South Carolina, Inc	14.59 ¢/kWh	11.72 ¢/kWh	$151at 1,032 kWh	81 minSAIDI
South Carolina average against this company, which is 10 of 19 on priceLowest in this table	-0.36 ¢/kWhcompany 2.5% above	-1.08 ¢/kWhcompany 10.2% above	-$4a month at 1,032 kWh	+15 mincompany 15 below
Laurens Electric Coop, Inc	14.66 ¢/kWhcompany 0.5% below	13.88 ¢/kWhcompany 15.5% below	$1511 more than company	97 mincompany 16 below

Compare 26 South Carolina companies

Dominion Energy South Carolina, Inc: 2025

No 2025 early-release row for Dominion Energy South; 2024 stays the latest year.

Dominion Energy South 2024 against South Carolina 2025: -0.37 ¢14.59 ¢ for Dominion Energy South in 2024, 14.96 ¢ for South Carolina in 2025

No 2025 line exists yet for Dominion Energy South Carolina, Inc, so 14.59 ¢/kWh and a SAIDI of 81 minutes (2024, 696,385 homes) are the latest figures.

Carbon context

Dominion Energy South Carolina, Inc serves 696,385 homes in South Carolina. At 1,032 kWh a month that is about 261 kg of CO₂, or 3,130 kg a year, at the South Carolina plant rate, state generation and not this utility: South Carolina generation mix.

Dominion Energy South Carolina, Inc charts

Residential price since 2015: 14.59 ¢ in 2024

14.41 ¢ in 2015, 14.59 ¢ in 2024 (+1.2%); South Carolina 12.57 to 14.23 ¢.

Dominion Energy South Carolina, Inc residential price 2015-2024, 2015 to 2024: 10 rows

Year	Dominion Energy South Caroli	Gap to South Carolina residential	Gap to U.S. residential
2015	14.41	+1.84	+1.76
2016	14.56	+1.91	+2.01
2017	15.12	+2.10	+2.23
2018	13.02	+0.58	+0.15
2019	14.30	+1.31	+1.29
2020	13.45	+0.67	+0.30
2021	14.66	+1.80	+1.00
2022	16.22	+2.63	+1.18
2023	14.41	+0.73	-1.59
2024	14.59	+0.36	-1.89

10 rows from EIA retail sales.

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Dominion Energy South Carolina, Inc SAIDI, 2015-2024

97 min in 2015, 81 in 2024.

Dominion Energy South Carolina, Inc SAIDI by year, 2015 to 2024: 10 rows

Year	Dominion Energy South , no major events
2015	97
2016	90
2017	82
2018	96
2019	78
2020	88
2021	79
2022	78
2023	90
2024	81

10 rows from EIA-861 survey.

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Reliability: SAIDI 80.6 min

80.6 min, 0.81x the median reporter, rank 266 of 673.

min

Company, no major events80.6
Company, with major events1,908.5

Dominion Energy South Carolina, Inc, Reliability: EIA-861 survey.

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Analyst note

From 14.41 ¢ in 2015 to 14.59 ¢ in 2024, a move of +1.2%: Dominion Energy South Carolina, Inc lagged its state (+13.2%) by 12.0 points, and -29.1 points against the U.S. Dominion Energy South Carolina, Inc's sharpest move came in 2018, -13.9%. The high is 16.22 ¢ (2022) and the low 13.02 ¢ (2018). 2024: +1.2% here, +4.0% for the South Carolina average. SAIDI at Dominion Energy South Carolina, Inc (major events excluded) fell from 97 minutes in 2015 to 81 in 2024, -17%; best year 2019 at 78. Against the national median, Dominion Energy South Carolina, Inc came in lower on SAIDI in 10 of 10 years, and 2024 ended at 81 minutes, -19 from the median. 2024: 1908 minutes with major events, 81 without, the widest gap of any year. Dominion Energy South Carolina, Inc has 9 cheaper and 9 higher-priced South Carolina peers among 19 with 20,000+ homes. Next cheaper, Fairfield Electric Coop, Inc, bills 14.35 ¢ (-0.24). Next higher-priced, Laurens Electric Coop, Inc, bills 14.66 ¢ (+0.07).

The rate is 2.5% above South Carolina, while 81 outage minutes (0.81x the median) show no matching reliability edge.

Home accounts at Dominion Energy South Carolina, Inc went from 596,685 in 2015 to 696,385 in 2024, +16.7%. Business customers paid 0.80 times the home price in 2024 (11.72 against 14.59 ¢); the ratio was 0.78 in 2015. SAIFI went from 1.34 in 2015 to 1.19 in 2024, between 1.02 and 1.37.

Outages and home price of Dominion Energy South Carolina, Inc (EIA utility 17539), 2013 to 2024

Yearly SAIDI at Dominion Energy South Carolina, Inc: 92 minutes in 2013, 81 in 2024, a drop of 12%. The low came in 2019 at 78, the high in 2014 at 97; 12 years were filed. The South Carolina median in 2024 was 95 minutes, so Dominion Energy South Carolina, Inc ran below it.

Home rates at Dominion Energy South Carolina, Inc went from 14.19 ¢ in 2013 to 14.59 ¢ in 2024 (+2.8%), which is 19.61 ¢ to 14.97 ¢ in 2025 dollars (−23.6%). Over 12,000 kWh a year the real price meant $2,353 in 2013 and $1,797 in 2024. Of 30 South Carolina utilities with 1,000+ home accounts in 2024, Dominion Energy South Carolina, Inc stood 15th cheapest (37th of 40 in 2013).

Dominion Energy South Carolina, Inc outage minutes a customer, 2013 to 2024: 81 in 2024

Dominion Energy South Carolina, Inc at 81 min in 2024 and the South Carolina median at 95.

Dominion Energy South Carolina, Inc home price since 2013: −23.6% after inflation

Dominion Energy South Carolina, Inc: 14.97 ¢ in 2025 dollars (solid) and 14.59 ¢ as billed (dashed) in 2024.

Dominion Energy South Carolina, Inc, EIA utility 17539, year by year among South Carolina utilities

Dominion Energy South Carolina 2013-2024: 12 rows

Year, Dominion Energy So	¢ billed	¢ in 2025 $	Price place, Dominion Energ	SAIDI min	SAIFI	SAIDI place, Dominion Energ	South Carolina median SAIDI
2013	14.19	19.61	37 of 40	92	1.00	6 of 11	92
2014	14.46	19.67	37 of 40	97	1.44	8 of 13	95
2015	14.41	19.58	36 of 40	97	1.34	8 of 15	97
2016	14.56	19.54	36 of 41	90	1.30	6 of 15	134
2017	15.12	19.86	37 of 41	82	1.14	6 of 16	100
2018	13.02	16.69	17 of 41	96	1.37	6 of 16	118
2019	14.30	18.01	34 of 44	78	1.03	7 of 17	93
2020	13.45	16.74	18 of 32	88	1.17	5 of 15	114
2021	14.66	17.42	26 of 32	79	1.02	7 of 16	82
2022	16.22	17.84	30 of 32	78	1.07	5 of 18	99
2023	14.41	15.23	18 of 31	90	1.32	5 of 17	115
2024	14.59	14.97	15 of 30	81	1.19	4 of 18	95

Dominion Energy South Ca, EIA utility 17539: EIA-861, CPI-U.

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SAIDI explained, South Carolina real prices.

Facts

Customer accounts: 806,43426.9% of South Carolina total
Residential accounts: 696,38527.0% of South Carolina homes
Commercial accounts: 109,26413.5% of the base
Residential rate: 14.59 ¢/kWhplace 10 of 19, +2.5% against the state
Commercial rate: 11.72 ¢/kWhplace 7 of 23, +10.2% against the state
SAIDI, no major events: 80.6 minbetter than 61% of reporters
SAIFI, no major events: 1.191.18x the median
SAIDI with major events: 1908.5 min95.8% from event days
Net-metered capacity: 140.2 MW16,368 installations
Counties served: 11all in South Carolina
Average residential use: 12,388 kWh/yr1,032 a month
Implied monthly bill: $151-$20 on the U.S. rate, 1,032 kWh
Residential rate since 2015: +1.2%14.41 to 14.59 ¢/kWh
SAIDI trend: -17%97 min in 2015, 81 in 2024

Data tables

2024 by sector, Dominion Energy South Carolina, Inc

Dominion Energy South Carolina, Inc sector	Accounts	Rate ¢/kWh	Gap to South Carolina ¢/kWh
Residential	696,385	14.59	+0.36
Commercial	109,264	11.72	+1.08

Year by year, Dominion Energy South Carolina, Inc

Year	Home accounts, Dominion Energy South	Home ¢	Business ¢	Ratio	SAIDI	SAIFI
2015	596,685	14.41	11.21	0.78	97	1.34
2016	605,717	14.56	11.25	0.77	90	1.30
2017	615,096	15.12	11.76	0.78	82	1.14
2018	625,021	13.02	10.18	0.78	96	1.37
2019	640,443	14.30	11.03	0.77	78	1.03
2020	653,376	13.45	10.53	0.78	88	1.17
2021	664,550	14.66	11.76	0.80	79	1.02
2022	673,453	16.22	13.43	0.83	78	1.07
2023	680,200	14.41	11.55	0.80	90	1.32
2024	696,385	14.59	11.72	0.80	81	1.19

Peers of Dominion Energy South in South Carolina, place 10 of 19 on home price

Utility near Dominion Energy South on price	SAIDI min, gap to Dominion Energy South	Home ¢, gap to Dominion Energy South	Gap % to Dominion Energy South	Accounts, Dominion Energy South = 1
7. Horry Electric Coop Inc	+27	-1.35	-9.3%	0.12
8. Black River Electric Coop, Inc	+18	-1.12	-7.7%	0.04
9. Fairfield Electric Coop, Inc	No data	-0.24	-1.6%	0.04
10. Dominion Energy South Carolina, Inc (this utility)	81	14.59	-	1.00
11. Laurens Electric Coop, Inc	+16	+0.07	+0.5%	0.08
12. Santee Electric Coop, Inc	+66	+0.15	+1.1%	0.06
13. Mid-Carolina Electric Coop Inc	+37	+0.29	+2.0%	0.08

Who buys Dominion Energy South's electricity

Class at Dominion Energy South	Accounts	Of Dominion Energy South accounts	Of Dominion Energy South MWh sold	kWh a year per Dominion Energy South account
Residential	696,385	86.4%	39.7%	12,388
Commercial	109,264	13.5%	36.1%	71,773
Industrial and other	785	0.10%	24.2%	6,691,889

Dominion Energy South: meters, rate options and solar

Measure	Dominion Energy South	South Carolina context	Dominion Energy South detail
Dominion Energy South home meters on AMI	99.3%	South Carolina 88.7%	697,037 of 701,984 meters
Home meters, AMR (drive-by read)	4,328	South Carolina figure not published	0.6% of meters
Homes with daily digital access	696,385	South Carolina figure not published	100% of the 696,385 home accounts
Time-of-use rate for Dominion Energy South homes	Offered	9 of 13 South Carolina utilities offer one	4,513 homes on dynamic pricing, 0.65% of 696,385
Net-metered installations	16,368	98% residential	23.1 homes per 1,000 accounts, 8.6 kW average

Monthly energy cost by use, Dominion Energy South Carolina, Inc

kWh	Share of a 1,032 kWh month	Cost a month at 14.59 ¢	vs U.S.	Cost a year
250	24%	$36.47	-$4.73	$438
500	48%	$72.94	-$9.46	$875
750	73%	$109.41	-$14.19	$1,313
1,000	97%	$145.89	-$18.91	$1,751
1,500	145%	$218.83	-$28.37	$2,626
2,000	194%	$291.77	-$37.83	$3,501

Outage record, Dominion Energy South Carolina, Inc

Measure, Dominion Energy Sout	No events	All events	Converted
SAIDI minutes	80.6	1908.5	1.34 h
SAIFI interruptions	1.190	2.520	0.84 yr apart
CAIDI minutes	67.7	757.3	1.13 h

Territory of Dominion Energy South Carolina, Inc

11 South Carolina counties, region SERC:

South Carolina other states: 11 of 11 counties of Dominion Energy South Carolina, Inc drawn

Dominion Energy South Carolina, Inc: 11 counties listed by EIA-861, Census 2023 outlines.

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County list

Aiken
Beaufort
Berkeley
Calhoun
Charleston
Colleton
Dorchester
Fairfield
Jasper
Lexington
Richland

Questions on Dominion Energy South Carolina, Inc

How many customers does Dominion Energy South Carolina, Inc serve in South Carolina?

806,434 accounts in 2024: residential 696,385, commercial 109,264, industrial 785.

What is the average residential rate of Dominion Energy South Carolina, Inc?

In 2024 homes paid 14.59 cents; against the South Carolina average that is +2.5%.

How reliable is Dominion Energy South Carolina, Inc by SAIDI and SAIFI?

SAIDI 80.6 min and SAIFI 1.19 a year, major events excluded; ratio to the national median 0.81, CAIDI 68 min.

How much solar net metering is on the Dominion Energy South Carolina, Inc grid?

16,368 installations with 140.2 MW, of which residential installations number 16,090.

What is the monthly bill at Dominion Energy South Carolina, Inc for average use?

1,032 kWh at 14.59 cents comes to about $151, energy only.

How does Dominion Energy South Carolina, Inc rank on price within South Carolina?

Rank 10 of 19 in South Carolina on price, +2.5% against the state average; 9 charge less than 14.59 ¢.

How much of the Dominion Energy South Carolina, Inc load is business?

Homes take 39.7% of 21,722,082 MWh, commercial accounts 36.1%, industrial and other 24.2%; the 109,264 commercial accounts use 71,773 kWh each, 5.8 times a home.

Does Dominion Energy South Carolina, Inc have smart meters or TOU rates?

697,037 of 701,984 home meters are AMI, 99.3%. Dominion Energy South offers a home time-of-use rate; 4,513 customers use dynamic pricing, 0.65% of its homes.

Since 2015, has Dominion Energy South Carolina, Inc become cheaper than other South Carolina utilities?

14th cheapest of 15 in 2015, 10th of 19 in 2024; its price rose 1.2% while South Carolina rose 13.2%.

Has Dominion Energy South Carolina, Inc filed 2025 data with EIA?

Not yet: 14.59 cents and 81 SAIDI minutes (2024) remain the newest Dominion Energy South record.

Utilities with a similar home price

Home prices nearest to Dominion Energy South Carolina, Inc at 14.59 ¢/kWh in 2024, among companies with a page here, any state.

Blue Ridge Elec Member CorpNorth Carolina, 14.59 ¢/kWh, 0.00 ¢ below
Wright-Hennepin Coop Elec AssnMinnesota, 14.59 ¢/kWh, 0.00 ¢ below
US Retailers, LLCTexas, 14.60 ¢/kWh, 0.01 ¢ above
City of College StationTexas, 14.57 ¢/kWh, 0.02 ¢ below

Rate plans on file

5 home plan records, energy charges: 9.1 to 26.9 ¢/kWh.

Time-of-use: 2, e.g. 5 (Residential Service Time-Of-Use)
Tiered: 2, e.g. 6 (Residential Service Energy Conservation Rate)
Demand charge: 1, e.g. 7 (Residential Service Time-Of-Use Demand)

Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).

Primary sources for Dominion Energy South Carolina, Inc: rates, outages and net metering

EIA-861 annual report entry for Dominion Energy South Carolina, Inc: rates, outages and net metering, customers and sales
EIA-861 form instructions for Dominion Energy South Carolina, Inc: rates, outages and net metering, how a customer is counted
EIA state profiles for Dominion Energy South Carolina, Inc: rates, outages and net metering, the state price average