Two Different Residential Designs
- South Carolina’s Rate 7 (TOU-Demand):
- On-peak 4–8 pm (May–Sep) and 6–9 am (Oct–Apr), Mon–Fri, holidays excluded.
- Super off-peak 1–5 am daily. Demand is the highest 15-min on-peak interval each month. (Dominion Energy)
- Virginia’s Off-Peak Plan (TOU, no demand):
- Has three tiers with a super off-peak 12–5am daily; no demand charge. Great for EVs and shiftable loads. (Dominion Energy)
Recent & upcoming changes
- SC Rate 7 page effective July 23, 2025 (with listed DSM, pension, storm components). (Dominion Energy)
- VA Off-Peak Plan shows current tier prices and confirms no demand component. (Dominion Energy)
Before/After Bills
Typical Demand Targets & Savings Range
- SC Rate 7: on-peak 15-min ≤3–4 kW small, ≤4–5 kW typical; expected savings 10–25% with precise sequencing.
- VA Off-Peak: no demand; savings 5–15% by maximizing 12–5am charging and avoiding on-peak cooking/laundry.
Local Testimonials
