Electric companies in Dorchester County, South Carolina
Dorchester County, SC ranks 3 of 46 South Carolina counties for the newest homes (median year built 1999). Dorchester County in South Carolina has 164,322 residents and 3 utilities listed by EIA, with home prices of 14.59 to 16.40 cents per kWh.
Dorchester County on the map
Dorchester County darker: more storm events
Housing and heating in Dorchester County
Dorchester County, SC: 13,513 of 66,435 homes were built before 1980 and 31,745 in 2000 or later. Dorchester County, SC has 44,271 detached houses, 7,624 homes in 5+ unit buildings, 8,158 mobile homes, and 15,131 of 61,573 households rent.
Age of homes in Dorchester County, SC
% of homes by decade built, Dorchester County, SC
- 1pre-40
- 140s
- 250s
- 460s
- 1270s
- 1780s
- 1590s
- 2800s
- 1810s
- 320+
Heating fuel in Dorchester County, SC
| Dorchester County, SC | Value | State median | Gap | Rank |
|---|---|---|---|---|
| Dorchester County, SC, median year built | 1999 | 1987 | +12 years | 3 of 46 |
| Dorchester County, SC, built before 1980 | 20.3% | 39.7% | -19.4 points | 42 of 46 |
| Dorchester County, SC, built 2000 or later | 47.8% | 24.0% | +23.8 points | 5 of 46 |
| Dorchester County, SC, detached houses | 66.6% | 64.6% | +2.0 points | 19 of 46 |
| Dorchester County, SC, apartments in 5+ unit buildings | 11.5% | 4.4% | +7.1 points | 9 of 46 |
| Dorchester County, SC, mobile homes | 12.3% | 22.4% | -10.2 points | 40 of 46 |
| Dorchester County, SC, renter households | 24.6% | 26.6% | -2.0 points | 30 of 46 |
| Dorchester County, SC, median home value | $294,400 | $158,600 | +$135,800 | 5 of 46 |
| Dorchester County, SC, median gross rent a month | $1,381 | $878 | +$503 | 4 of 46 |
| Dorchester County, SC, people per household | 2.64 | 2.46 | +0.19 | 2 of 46 |
Facts about Dorchester County
- Residents of Dorchester County, SC, ACS 2023
- 164,32212 of 46 South Carolina counties
- Households in Dorchester County, SC
- 61,5732.67 people each
- Owner-occupied homes in Dorchester County, SC
- 75.4%46,442 owner and 15,131 renter households
- Median household income in Dorchester County, SC
- $76,8965 of 46 South Carolina counties
- Housing units in Dorchester County, SC
- 66,4354,862 vacant or seasonal, 7.3% of the units
- Homes heated by electricity in Dorchester County, SC
- 76.7%47,226 homes, 21 of 46 South Carolina counties
- Utilities listed for Dorchester County, SC
- 33 with a home price: Dominion Energy South Carolina, Inc, Berkeley Electric Coop Inc, Edisto Electric Coop, Inc
- Lowest home price in Dorchester County, SC
- 14.59 ¢/kWhDominion Energy South Carolina, Inc, 11.0% below the highest
- Highest home price in Dorchester County, SC
- 16.40 ¢/kWhEdisto Electric Coop, Inc
- Monthly bill gap in Dorchester County, SC
- $19between the two at 1,050 kWh, $228 a year, 0.30% of the Dorchester County, SC median income
- ZIP areas touching Dorchester County, SC
- 1129418 to 29485
- Outage-linked storm events in Dorchester County, SC
- 262NWS storm events, 2015 to 2025
- Homes built before 1980 in Dorchester County, SC
- 20.3%median year built 1999
- Flood claims in Dorchester County, SC
- 637NFIP 2015 to 2025, $16.3M paid
- Home energy burden in Dorchester County, SC
- 2.4%$1,938 a year on electricity (DOE LEAD)
Outage risk in Dorchester County
Dorchester County, SC, NWS storm events 2015 to 2025: 262 in all, 159.4 per 100,000 residents of 164,322, rank 6 of 46 South Carolina counties. Property damage in Dorchester County, SC: $349K, with 2 direct injuries or deaths.
Events by year in Dorchester County, SC
events a year, Dorchester County, SC
- 20'15
- 28'16
- 18'17
- 25'18
- 30'19
- 37'20
- 2'21
- 33'22
- 19'23
- 34'24
- 16'25
Events by type
| Dorchester County, SC | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Dorchester County, SC, thunderstorm and high wind | Relatively Low | 18.7 | 45 of 46 | 242 | 2020 (35) | $46K |
| Dorchester County, SC, tornado | Relatively Moderate | 74.8 | 23 of 46 | 4 | 2020 (2) | $0 |
| Dorchester County, SC, hurricane and tropical storm | Relatively High | 97.9 | 6 of 46 | 14 | 2016 (6) | $303K |
| Dorchester County, SC, ice storm | Relatively High | 83.4 | 25 of 46 | 0 | none | $0 |
| Dorchester County, SC, winter storm and heavy snow | Relatively Moderate | 68.0 | 9 of 46 | 2 | 2018 (1) | $0 |
| Dorchester County, SC, heat wave | Relatively Low | 69.2 | 29 of 46 | 0 | none | $0 |
Cost of living with electricity in Dorchester County
Dorchester County, SC: electricity $1,938 a year per home (DOE LEAD), all home energy $2,178, 2.4% of $92,838 income. 59,731 households in Dorchester County, SC spend about $115.8 million a year on electricity and $130.1 million on all home energy. Lower-income homes in Dorchester County, SC ($20,843 a year) spend 9.9% of income, 4.2 times the all-home figure.
Energy burden in Dorchester County, SC
| Dorchester County, SC | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Dorchester County, SC, all households | 59,731 | $92,838 | $1,938 | $229 | $11 | 2.4% |
| Dorchester County, SC, lower income | 11,924 | $20,843 | $1,907 | $150 | $12 | 9.9% |
| Dorchester County, SC, owners | 44,697 | $105,814 | $2,083 | $285 | $13 | 2.2% |
| Dorchester County, SC, renters | 15,034 | $54,257 | $1,507 | $61 | $5 | 2.9% |
Flood claims and flood insurance in Dorchester County
Dorchester County, SC: 637 NFIP flood claims in 2015 to 2025, $16.3M paid, median paid claim $21,123.
2,718 of 54,797 residential structures in Dorchester County, SC carry an NFIP contract. 3,029 NFIP policies of any type were in force in Dorchester County, SC on 8 Sep 2026. Dorchester County, SC lists 96 repetitive-loss properties, 9 of them severe repetitive loss.
Dorchester County, SC: claims history, not an outage count.
Flood claims by year in Dorchester County, SC
flood claims a year, Dorchester County, SC
- 387'15
- 103'16
- 21'17
- 9'18
- <5'19
- 17'20
- <5'21
- 17'22
- <5'23
- 70'24
- <5'25
| Dorchester County, SC | Value | Median county | Rank |
|---|---|---|---|
| Dorchester County, SC, claims 2015-2025 | 637 | — | 6 of 39 |
| Dorchester County, SC, paid 2015-2025 | $16.3M | — | 7 of 39 |
| Dorchester County, SC, median paid claim | $21,123 | — | — |
| Dorchester County, SC, claims per 1,000 homes | 11.6 | 2.4 | 7 of 39 |
| Dorchester County, SC, homes with flood insurance | 5.0% | 0.5% | 8 of 46 |
| Dorchester County, SC, policies in force | 3,029 | — | — |
| Dorchester County, SC, repetitive-loss properties | 96 | — | — |
Dorchester County, SC: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Dorchester County: flood claims by state, flood hub.
Electric utilities in Dorchester County
| Utility listed for Dorchester County, SC | Type | Home price ¢/kWh | Yearly bill at 1,050 kWh | Share of Dorchester County, SC median income of $76,896 |
|---|---|---|---|---|
| Dominion Energy South Carolina, Inc in Dorchester County, SC | Investor Owned | 14.59 | $1,839 | 2.39% |
| Berkeley Electric Coop Inc in Dorchester County, SC | Cooperative | 14.93 | $1,883 | 2.45% |
| Edisto Electric Coop, Inc in Dorchester County, SC | Cooperative | 16.40 | $2,067 | 2.69% |
Prices are statewide utility averages, not a county price.
Analyst note on Dorchester County
Household income in Dorchester County, SC is $76,896; 46,442 of its 61,573 households own. Dorchester County, SC counts 164,322 residents in 61,573 households. Dorchester County, SC touches 11 ZIP areas, 29418 to 29485, about 14,938 residents each.
47,226 of the 61,573 homes in Dorchester County, SC heat with electricity. Dorchester County, SC has 66,435 housing units, 4,862 (7.3%) vacant or seasonal, and 15,131 rented homes. Dorchester County, SC logged 262 storm events for its 164,322 residents.
The median home in Dorchester County, SC dates from 1999. Homes in Dorchester County, SC pay $1,938 a year for electricity. Dorchester County, SC home prices run Dominion Energy South Carolina, Inc to Edisto Electric Coop, Inc, $19 a month apart at 1,050 kWh.
Bill and heat pump calculator, Dorchester County
Compare Dorchester County with its neighbours
- Colleton County sits 23 miles southwest of Dorchester County, SC with 38,623 residents, 631 storm events, median home built 1988, energy burden 4.2%, income $48,779.
- Berkeley County sits 24 miles east of Dorchester County, SC with 238,723 residents, 196 storm events, median home built 2000, energy burden 2.1%, income $82,327.
- Charleston County sits 26 miles southeast of Dorchester County, SC with 414,711 residents, 285 storm events, median home built 1991, energy burden 1.8%, income $84,320.
- Orangeburg County sits 35 miles northwest of Dorchester County, SC with 83,531 residents, 232 storm events, median home built 1982, energy burden 4.1%, income $43,214.
- Clarendon County sits 41 miles north of Dorchester County, SC with 31,037 residents, 126 storm events, median home built 1989, energy burden 3.4%, income $48,887.
Cities in Dorchester County
- Summerville electricity rates51,262 residents
ZIP codes in Dorchester County
- 29418
- 29420
- 29437
- 29448
- 29456
- 29470
- 29471
- 29472
- 29477
- 29483
- 29485
South Carolina: home prices since 2001, planned plants.
Questions on Dorchester County
Dorchester County, SC: what do homes pay for electricity?
Dorchester County, SC homes paid 14.59 to 16.40 cents per kWh in 2024 across 3 listed utilities: $153 to $172 a month at 1,050 kWh, 2.39% to 2.69% of Dorchester County, SC income.
Dorchester County, SC: how many homes heat with electricity?
Dorchester County, SC: 47,226 of 61,573 occupied homes, 76.7%, rank 21 of 46.
Dorchester County, SC: median household income?
$76,896 in Dorchester County, SC, rank 5 of 46; 164,322 residents, 61,573 households.
Dorchester County, SC: outage-linked storms since 2015?
Dorchester County, SC: 262 NWS events, peak year 2020.
Dorchester County, SC: flood insurance claims since 2015?
Dorchester County, SC: 637 NFIP flood claims, $16.3M paid, 11.6 per 1,000 homes, 5.0% of homes insured.
How old are the homes in Dorchester County, SC?
Dorchester County, SC: median home built 1999; 20.3% predate 1980, 66.6% detached, 11.5% in 5+ unit buildings.
Dorchester County, SC: share of income for energy?
Dorchester County, SC homes spend $1,938 a year on electricity, $2,178 on all energy: 2.4% of $92,838; 9.9% for lower incomes.