Updates
2026-07-05
ERCOT Hourly Demand + Weather — v1 release
The first Arimancy dataset is live: ERCOT hourly demand joined to population-weighted weather, spanning 2015–2026 (96,537 rows, 27 columns). A LightGBM baseline reaches 4.66% MAPE against an 8.80% seasonal-naive benchmark. Available on Hugging Face and Kaggle under CC BY 4.0, with every imputed value flagged in the data and full source attribution to EIA, Catalyst Cooperative's PUDL, and Open-Meteo.