Every large building's 2024 energy use (Local Law 84 benchmarking) on the same canvas as the city's power plants and substations. Hover to read, click to explore.
Purpose. Energy maps usually show either demand (buildings) or supply (the grid), never both. This map puts New York City's building energy use and its in-city generation and transmission assets on one canvas, so the concentration of demand — and how little is generated near it — reads at a glance.
Demand. Buildings over 25,000 ft² must report annual energy use under NYC Local Law 84. This map uses the calendar-year 2024 disclosure (NYC Open Data 5zyy-y8am, rows updated Nov 2025). Buildings were geocoded by tax lot (BBL) using PLUTO and aggregated to the 2020 Neighborhood Tabulation Areas. Cleaning: campus parent/child duplicates (identical totals reported on several rows) are collapsed to one reporting unit, and rows with site EUI outside 5–500 kBtu/ft² are dropped as reporting errors. Site energy is converted at 3.412 kBtu per kWh; natural gas at 29.3 kWh per therm. Points show the 4,000 largest consumers; neighborhood colors include all cleaned records.
Supply. Power plants come from the U.S. EIA Energy Atlas (EIA-860 nameplate capacity by fuel), filtered to the five boroughs. Transmission substations come from the HIFLD electric substations layer (imagery-derived, 2015 vintage; many entries carry no name or voltage). Substations do not include Con Edison's underground area substations.
Caveats. Site energy is energy consumed at the building, not primary energy; district steam and cogeneration blur the electricity share for large campuses. LL84 covers large buildings only (about 60% of the city's floor area), so neighborhood totals are a floor, not the whole picture. Nameplate MW is not generation: most in-city plants are peakers that run a few hundred hours a year.
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