ERCOT Hourly Demand + Population-Weighted Weather

rows
96,537
2015–2026
11 yrs
columns
27
baseline MAPE
4.66%

Grid demand joined to population-weighted ERA5 weather, UTC-aligned across every daylight-saving transition. Every imputed value is flagged in the data, not buried in a footnote. A LightGBM baseline reaches 4.66% MAPE against an 8.80% seasonal-naive benchmark.

20°F60°F100°F

Attribution

This dataset is published by Arimancy LLC under CC BY 4.0.

Demand data:Source: U.S. Energy Information Administration (Jul 2026), Form EIA-930 (public domain), cleaned and gap-filled via Catalyst Cooperative's PUDL project (data and documentation CC BY 4.0).

Weather data: Weather data by Open-Meteo.com (CC BY 4.0), ERA5 reanalysis (Hersbach et al. 2023, ECMWF, doi:10.24381/cds.adbb2d47).