Dominion Energy South Carolina (Dominion Energy South Carolina Inc)
- Last verified (benchmark)
- Feb 17, 2026
- Last verified (tariff snapshot)
- Feb 17, 2026
- Page updated
- Feb 17, 2026
Dominion Energy South Carolina, operating as Dominion Energy South Carolina Inc, is an investor-owned electric utility serving customers in South Carolina and West Virginia. Serves Charleston and coastal South Carolina. Rate 1 standard residential; Rate 5 TOU available. Good Cents (Rate 1) closed to new customers.
This page brings together tariff-based rate information from our research, federal EIA statistics on sales and generation when available, and the cities and states this provider serves.
Residential rates
Tariff snapshot (Charleston, SC)
- Customer charge
- $10.00/mo
- Energy charge (example tier)
- 15.43¢/kWh
Seasonal/tiered rates and riders may apply. Example tier used in our estimates.
dominionenergy.com· verified 2026-02-17Example bill at 1,000 kWh (derived from tariff snapshot): $164.32/mo
Based on snapshot; excludes local taxes/fees; riders may vary.
For city-specific estimates (including water, sewer, trash), see Charleston's full breakdown
Typical bill benchmark (regulator / utility)
Typical residential bill at 1,000 kWh (example): $154.32/mo (15.43¢/kWh)
dominionenergy.com· verified 2026-02-17Rate 1: $9 basic + $1 DER/mo. Summer: first 800 kWh @ 14.164¢, excess @ 15.505¢. Winter: first 800 @ 14.164¢, excess @ 13.628¢. At 1,000 kWh summer: ~$154.32. Fuel, DSM, pension, storm components included.
Benchmarks reflect typical delivered bills; tariff snapshots show a specific rate schedule component used in our estimates.
Our estimates use tariff and official rate data from utility and regulatory sources. See our methodology for how we calculate bill estimates.
Federal EIA data (sales, generation mix) for this utility is not yet available in our dataset. Our tariff-based rate information above is from independent research.
States & cities served
Cities in our dataset where this provider offers electric service. Click through to see utility cost estimates for each city.
Data sources
- Our research: Tariff documents, PSC/regulatory filings, and official utility rate schedules. Each city page cites sources and last-verified dates.
- EIA (2024): Form 861 (sales, revenue, customers) and Form 860 (generation capacity by fuel). Supplementary context; our tariff-based rates remain primary for bill estimates.
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