MCUT campus electricity sub-metering dataset (one year, 15-minute, three-phase)

One year (2025-07-06 to 2026-07-05) of 15-minute electricity data from 234 Schneider PowerLogic PM5350 three-phase meters across 15 buildings on the two campuses of Ming Chi University of Technology, New Taipei City, Taiwan, plus a rooftop photovoltaic array. 4,748 time series, 166,369,920 records. Per circuit: current, voltage, active power, power factor, frequency and cumulative energy, end-use resolved (lighting, HVAC, sockets, process power, elevators, EV chargers, storage). Extracted from a Tridium Niagara 4 platform via oBIX and resampled server-side; each record keeps the interval mean, min, max and native-sample count. Includes a SHACL-validated Brick Schema 1.3 semantic model. See DATASET_README.md.