PJM Interconnection

Mid-Atlantic · Data Center Alley

86%High strain

Grid Stress Index · demand vs. 1-yr peak

Serves Northern Virginia's Loudoun County, the densest data-center cluster on Earth. The bellwether for AI-driven grid strain.

Grid Stress Index

86%

⚾ Batting average

Current demand as a share of the past year's peak. 95%+ means the grid is near its limit.

Peak Load (7d)

162.6 GW

⚾ Home runs

The biggest single-hour demand spike over the last week.

Clean Generation

28%

⚾ On-base %

Share of generation from wind, solar, hydro, nuclear & geothermal right now.

Fossil Baseline

91.9 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 Gas47%
Nuclear24%
Coal19%
Other3%
Oil3%
Wind3%
Hydro1%
Solar0%

Demand trend

+8% 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 · 139.4 GW