Heat Sink
Your electricity bill is drinking the river. We show you how much comes back hot.
Consumer-facing power plant water-use and thermal-pollution intelligence — an automated, opinionated site that turns EIA plant operations data, cooling-system filings, EPA discharge violations, drought maps, and weather stress into plant-by-plant water scorecards, river-risk maps, utility report cards, and brutally clear weekly dispatches about which power plants are sucking down freshwater, which ones are heating local waterways, and where grid growth is colliding with water scarcity.
Niche Explored
Power plant water consumption and thermal pollution accountability — tracking which power plants drink the most freshwater, which ones heat up rivers and lakes, and what the ecological and community costs are.
Why This Niche
- Thermoelectric power plants are one of the largest water users in the United States; USGS explicitly describes thermoelectric generation as one of the largest uses of water in the country
- Once-through cooling systems can raise downstream water temperatures materially, stressing fish, algae dynamics, and dissolved oxygen
- Global electricity demand is projected by the IEA to grow 3.4% annually through 2026
- The IEA also projects electricity use from data centres, AI, and crypto could exceed 1,000 TWh by 2026, sharply increasing power demand pressure
- With droughts and heat waves intensifying, multiple plants globally have faced curtailment risk because rivers got too hot or too low
- Nobody is translating this publicly available federal data into consumer-facing accountability journalism
Existing Competition
- EIA’s own data tables — raw Excel/CSV downloads, no journalism, no analysis, no visuals
- Union of Concerned Scientists EW3 database — last comprehensively updated ~2015, academic-facing
- Circle of Blue — excellent water journalism but manual/editorial, not automated, infrequent power-water coverage
- PowerPlantTracker (various academic projects) — scattered, not consumer-facing, not regularly updated
- No dedicated automated site tracking power plant water consumption with accountability framing
Data Sources Found
Primary (API-accessible, free)
- EIA API v2 —
https://api.eia.gov/v2/electricity/facility-fuel/— per-plant generation, fuel consumption, monthly and annual. 733,928+ records. Free API key required (instant approval) - EIA API v2 Generator Capacity —
https://api.eia.gov/v2/electricity/operating-generator-capacity— per-generator capacity, coordinates (lat/lon), technology type, planned retirement dates. Includes county-level data - EIA-860 Annual Electric Generator Report — bulk CSV download includes cooling system type (once-through vs recirculating vs dry), water source (river, lake, ocean, groundwater), water withdrawal and consumption volumes per generator. Available at: https://www.eia.gov/electricity/data/eia860/
- EIA-923 Power Plant Operations Report — monthly bulk download includes cooling water data: volume withdrawn, volume consumed, volume discharged, discharge temperature. Available at: https://www.eia.gov/electricity/data/eia923/
- EPA ECHO API — Enforcement and Compliance History Online. Per-facility NPDES permit violations including thermal discharge violations. REST API:
https://echo.epa.gov/tools/web-services - USGS Water Use Data — National water use estimates by category and state, updated every 5 years. Available via API and bulk download
- Open-Meteo API — Free weather/climate data including river temperature proxies, drought indices.
https://open-meteo.com/en/docs - NOAA Climate Data — Historical temperature, precipitation, drought monitor data. API:
https://www.ncei.noaa.gov/cdo-web/api/v2/ - US Drought Monitor — Weekly updates, shapefiles and CSV downloads:
https://droughtmonitor.unl.edu/Data/Download.aspx
Secondary (scraping/bulk)
- NRC (Nuclear Regulatory Commission) event reports mentioning cooling water or thermal limits
- State fish kill databases — many states publish fish kill investigations
- OpenStreetMap + HydroSHEDS — river/waterway mapping for downstream impact visualization
SEO Analysis
- Keywords with high demand, low competition:
- “power plant water usage” — moderate search volume, weak content
- “which power plants use the most water” — informational intent, no good answer exists
- “thermal pollution rivers” — educational searches, no consumer-facing tracker
- “power plant near me water” — hyperlocal intent, huge gap
- “nuclear plant cooling water temperature” — spikes during heat events
- “data center water usage electricity” — exploding search volume (AI boom)
- Seasonal spikes: summer heat waves drive “power plant river temperature” searches dramatically
- News hook frequency: every major drought/heat wave creates “power plant forced to shut down” headlines
Communities
- r/energy (1.4M members)
- r/environment (1.8M members)
- r/water (small but dedicated)
- r/collapse (500K+ members, overlapping interest)
- r/NuclearPower (100K+)
- Clean energy Twitter/X communities
- Environmental justice organizations (community water/pollution focus)
- Fishing/angling communities affected by thermal discharge
- Drought-watch communities in western states
Image/Graphic Feasibility
- Excellent — this niche is highly visual:
- Heatmap of US power plants colored by water intensity (gallons per MWh)
- River temperature impact zones (upstream vs downstream of discharge)
- County-level “water stress + power plant density” overlay maps
- Plant-by-plant report card infographics (gauge charts, bar comparisons)
- Time series of water withdrawal trends as coal → gas → renewable transition happens
- “What’s drinking your river?” explainer diagrams
- Drought monitor overlay with power plant curtailment risks
- All achievable with D3.js, Chart.js, or AI image generation for hero graphics
Sources
- https://api.eia.gov/v2/electricity/facility-fuel — EIA plant operations API (confirmed live, 733K records)
- https://api.eia.gov/v2/electricity/operating-generator-capacity — EIA generator inventory (confirmed live, includes lat/lon)
- https://www.eia.gov/electricity/data/eia860/ — EIA-860 annual generator report (includes cooling system data)
- https://www.eia.gov/electricity/data/eia923/ — EIA-923 monthly operations (includes water withdrawal/discharge)
- https://echo.epa.gov/tools/web-services — EPA ECHO compliance/violations API
- https://www.usgs.gov/water-science-school/science/thermoelectric-power-water-use — USGS thermoelectric power water-use explainer
- https://www.iea.org/reports/electricity-2024/executive-summary — IEA electricity demand growth and data-centre demand forecast
- https://droughtmonitor.unl.edu/ — US Drought Monitor
- https://open-meteo.com/en/docs — Open-Meteo weather API