Every number on GridVigil traces back to one of these public sources — nothing is simulated or estimated beyond what a source itself publishes. See Methodology for how these feed into the Power Pressure Score.
Sources in use
EIA API v2 (Form EIA-930) (Requires a free registered key) — Nationwide hourly demand, forecast demand, and generation by fuel type — the backbone covering every region.
EIA-860M (Requires the same EIA key) — Monthly operating/planned/retired generator inventory, nationwide.
ERCOT Public API (Requires a registered subscription key) — Real-time load and forecast data for Texas.
ERCOT CDR report (Public, no key) — 5-year seasonal reserve margin outlook for Texas, from ERCOT's published workbook.
ERCOT Monthly recap (Public, no key) — Large-load / data-center interconnection queue figures for Texas.
PJM Data Miner 2 (Requires a registered subscription key) — PJM's own near-term load forecast, RTO-wide.
CAISO OASIS (Public, no key) — California market data, including locational price/congestion.
NYISO Gold Book (Public, no key) — Official NYSRC-approved Installed Reserve Margin for New York, from NYISO's annual Load & Capacity Data Report.
MISO LOLE Study Report (Public, no key) — Official seasonal Planning Reserve Margins for MISO, from its annual Loss of Load Expectation study.
NERC Long-Term Reliability Assessment (Public, no key) — Official Anticipated Reserve Margin by assessment area, covering PJM, CAISO, SPP, ISO-NE, and the Southeast/Mountain West/Florida groupings.
NOAA / National Weather Service (Public, no key) — Forecast temperatures and active weather alerts, nationwide.
No official source found
FERC — no reliable public API for filings/dockets was found; this source is intentionally omitted rather than scraped unreliably.