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US electricity, region by region.
Hourly demand, generation mix and renewable share from the EIA Hourly Electric Grid Monitor.
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Generation mix
Where is this region's electricity coming from?
—largest source
Hourly EIA-930 data; unavailable values stay unavailable, never shown as zero.
Weather context
Conditions near this region
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Powered by NOAA/National Weather Service (api.weather.gov), no API key required. One representative city per region — see the method section for exactly which point and why.
Site news
Latest from US Power Grid
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AI-generated content: Some articles and summaries on this page are generated using a locally hosted AI model and checked against live EIA/NWS data before publication. While we aim for accuracy, AI-generated content may occasionally contain mistakes or omit important context. For critical decisions, please refer to the linked official sources.
Explore the system
Regional coverage and interchange
Real US state outlines (Natural Earth, public domain). Balancing-authority markers are representative locations, not official service-territory boundaries — see the method section. Lines show official EIA total-interchange direction and magnitude.
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Preserved history
See how this region changes
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Demand and generation
Hourly reported demand and net generation.
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Generation by fuel
Stacked observed MW; missing fuel makes an interval blank.
Renewable and low-carbon share
Low-carbon adds nuclear.
Net interchange
Positive = net export from this region.
Method, licences and limits
Honest about what each value means
Demand, generation, forecast and interchange come from the US Energy Information Administration's Hourly Electric Grid Monitor (Form EIA-930), a public federal dataset. Weather context comes from NOAA/National Weather Service (api.weather.gov), a free public API with no key required, using one representative city per region rather than full regional coverage. This product does not publish carbon intensity or instantaneous grid frequency — EIA-930 has no equivalent field, and no substitute is shown. The national Lower-48 view does not display an interchange figure, since a single national import/export number is not meaningful the way it is for one balancing authority. History covers up to 30 days from an initial official backfill plus ongoing hourly collection; data updates hourly at the source and this site refreshes no more often than every 55 minutes. Generation, fuel mix and interchange figures settle roughly 18-24 hours behind the demand reading — this is disclosed per reading, not hidden.
Why doesn't the national view show interchange?
EIA-930's Lower-48 total already nets out inter-region flows; a national import/export figure would not be meaningful the way it is for a single balancing authority.
What counts as renewable or low-carbon here?
Renewable is wind, solar, hydro and geothermal. Low-carbon adds nuclear. These match the EIA's fuel-type categories, not an estimate by this site.
Why is generation sometimes older than demand?
EIA-930 publishes demand near-real-time but settles net generation, fuel mix and interchange roughly 18-24 hours later. The reading's own timestamp and any settlement-lag note make this explicit; nothing lagged is labelled "live".
What does the map show?
Representative centre points for each supported region, not service-territory boundaries — no reliable public-domain balancing-authority polygon dataset was available. Interchange lines use official EIA total-interchange figures.
What generates the grid-update articles?
The same locally hosted model used for the GB site, evidence-checked against this page's own EIA/NWS data before publication, generated on a staggered schedule so it never competes with GB article generation for the same machine.