GridStrain
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Xcel Energy Colorado

Colorado

42%Low strain

Grid Stress Index · demand vs. 1-yr peak

Colorado's largest utility, rapidly swapping coal for Front Range wind and solar.

Grid Stress Index
42%
Batting average
Current demand as a share of the past year's peak. 95%+ means the grid is near its limit.
Peak Load (7d)
8.7 GW
Home runs
The biggest single-hour demand spike over the last week.
Clean Generation
51%
On-base %
Share of generation from wind, solar, hydro, nuclear & geothermal right now.
Fossil Baseline
2.6 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 4, 1:00 AM ET

What's generating the electricity for this hour.

  • Wind50%
  • Coal22%
  • Natural Gas21%
  • Battery7%
  • Hydro0%

Demand trend

-5% 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 · 4.5 GW