Rate 5 — Residential Time of Use
Service area: Dominion Energy South Carolina electric service territory
Rate version: Effective first billing cycle of July 2026 · verified 2026-09-29
$0.42740/day basic facilities charge and $1/month DER program charge are excluded from marginal energy calculations.
| Season | Period | Hours | Rate |
|---|---|---|---|
| Summer | Super off-peak | Daily 1–5 a.m. | 9.6230¢/kWh |
| Summer | Off-peak | Daily 5 a.m.–4 p.m. and 8 p.m.–1 a.m. | 15.0740¢/kWh |
| Summer | On-peak | Daily 4–8 p.m. | 29.9070¢/kWh |
| Winter | Super off-peak | Daily 1–5 a.m. and noon–3 p.m. | 9.6230¢/kWh |
| Winter | Off-peak | Daily 5–6 a.m., 9 a.m.–noon, and 3 p.m.–1 a.m. | 15.0740¢/kWh |
| Winter | On-peak | Daily 6–9 a.m. | 29.9070¢/kWh |
Modeling boundary
Rate 5 energy charges effective July 2026 are modeled as filed. Weekends and holidays use the same time periods as weekdays under the July 2026 update. Basic facilities, DER monthly charge, taxes and franchise fees are excluded from marginal calculations.
Official sources
EV charging cost examples on Dominion Energy SC
Vehicle-specific pages below apply Rate 5 — Residential Time of Use to each EV’s verified charging-efficiency profile and compare it with the South Carolina statewide average.
How Dominion Energy SC differs from the South Carolina average
Eligibility / billing boundary: Rate 5 energy charges effective July 2026 are modeled as filed. Weekends and holidays use the same time periods as weekdays under the July 2026 update. Basic facilities, DER monthly charge, taxes and franchise fees are excluded from marginal calculations.
The state average is a benchmark, not a substitute for this tariff. A low or high encoded period is a marginal energy price and should not be interpreted as a complete monthly bill unless the page explicitly says whole-bill modeling is supported.
Official source: Dominion Energy South Carolina current Rate 5 tariff and July 2026 TOU update.
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