GridStrain
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Dominion Energy South Carolina

South Carolina

87%High strain

Grid Stress Index · demand vs. 1-yr peak

Serves South Carolina's Midlands around Columbia — nuclear, gas, and coal, with rising coastal and inland demand.

Grid Stress Index
87%
Batting average
Current demand as a share of the past year's peak. 95%+ means the grid is near its limit.
Peak Load (7d)
4.7 GW
Home runs
The biggest single-hour demand spike over the last week.
Clean Generation
25%
On-base %
Share of generation from wind, solar, hydro, nuclear & geothermal right now.
Fossil Baseline
2.9 GW
Small ball
Power coming from coal, gas & oil — the grid's heavy lifting when renewables dip.

Demand vs. forecast

last 7 days · GW

Amber = actual demand · blue dashed = day-ahead forecast.

Fuel mix

Jul 3, 11:00 PM ET

What's generating the electricity for this hour.

  • Natural Gas52%
  • Nuclear25%
  • Coal23%
  • Hydro0%

Demand trend

+1% avg demand · 2019–2026

Monthly average demand (amber) with the monthly baseload — the lowest hour of each month (cyan). A rising floor is the signature of always-on data-center load.

Latest demand reading: Jul 4, 2:00 PM ET · 4.4 GW