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U.S. Daily Peak Electricity Demand
Highest hourly electricity demand of each day in the Lower 48, megawatts
Plays the chart through its history. Pauses are where the data set a record or moved most.
EIA Hourly Electric Grid Monitor (Form EIA-930), demand served by the grid as balancing authorities report it, summed by EIA region. Rooftop solar and other generation behind the meter lower it. Hourly averages, so peaks sit a little below the instantaneous records grid operators announce.
The busiest hour of every day on the U.S. grid. Summer heat sets the records; the question for the data center era is whether the summer peaks keep climbing year after year.
What this chart reads
- U.S. Daily Peak Electricity Demand (MW)as “Daily peak”latest 2026-10-20
Sources
U.S. Daily Peak Electricity Demand (MW). Source: U.S. Energy Information Administration, Hourly Electric Grid Monitor (Form EIA-930), six-month bulk files (eia.gov/electricity/gridmonitor). EIA data are U.S. government works in the public domain; EIA asks that it be credited as the source. Refreshed daily.
Charts are drawn from Palanor's signal library and recomputed from source data on every view. Transformations (changes, indexing, year-on-year rates) are Palanor's.