Flip a switch and power just… appears. But every kilowatt-hour
has a story — a dam, a wind ridge, a coal seam, an atom.
Type your ZIP code and meet your grid.
America's power, in four maps
Hover any state for details. Click it to explore.
Every state has its own story
The #1 source of electricity in each state, 2025.
Texas leans on gas and wind. Washington runs on rivers.
About — of US power is now clean
Brighter green = more from sources that release little or no CO₂:
solar, wind, water, nuclear, geothermal
.
The big switch
Coal made — of US
electricity in 2001 — just —
today. Gas, wind, and solar took its place.
Every kilowatt-hour has a carbon cost
The same lightbulb is about 7× dirtier
in West Virginia than in Washington — and 45× dirtier than in Vermont.
What makes your electricity
100 squares = all of it.
The carbon cost
—grams of CO₂ per kilowatt-hour
What it costs
A day on your grid
A typical 24 hours on
— every hour of 2025, averaged. Keep scrolling.
While you sleep
Nuclear plants hum along all night — they don't like stopping.
And the wind often blows hardest in the dark.
The sun clocks in
Watch the yellow band. The sunnier your grid, the bigger the midday
bulge — and the cleaner every load of laundry you run right now.
The evening handoff
The sun sets right as everyone comes home and switches things on.
Gas plants ramp up fast — and batteries give back the afternoon's
sunshine.
No hour-by-hour chart here:
the federal grid monitor doesn't track Alaska's, Hawaii's, or Puerto Rico's
island grids — they run on their own, disconnected from the mainland.
25 years of change
The biggest power plants
Every grid has a story
All 50 states (and D.C.) have a researched timeline of
the dams, deals, and disasters that shaped their power. Click any state on
the maps above — or start with one of these five.