Southwest Power Pool

Central Plains

76%Moderate

Grid Stress Index · demand vs. 1-yr peak

The wind belt. On gusty nights renewables can supply the bulk of demand across the central plains.

Grid Stress Index

76%

⚾ Batting average

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

Peak Load (7d)

48.6 GW

⚾ Home runs

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

Clean Generation

59%

⚾ On-base %

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

Fossil Baseline

15.5 GW

⚾ Small ball

Power coming from coal, gas & oil — the grid's heavy lifting when renewables dip.

Demand vs. forecast

last 7 days

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

Fuel mix

Jun 8, 12:00 AM ET

What's generating the electricity for this hour.

Wind53%
Coal20%
Natural Gas20%
Nuclear5%
Hydro2%
Other0%

Peak demand by year

+8% 2019–2025

The highest single hour of demand each year. A rising peak is the clearest sign of load growth straining the grid — the latest bar is the year so far.

Latest demand reading: Jun 8, 11:00 AM ET · 41.4 GW