Water Heaters History: DEER Commercial Heat Pump Water Heater Calculator_V1.0.3.2

File Start Date End Date Date posted Notes
DEER_Commercial_Heat_Pump_Water_Heat_d9xzbvf.xlsm 2026 May 14 2026 May 14 DEER Commercial Heat Pump Water Heater Calculator — Calculator for estimating deemed commercial heat pump water heater (HPWH) savings in support of measure package updates. The tool provides prototype-based normalized electric and gas UEC/UES outputs, hourly load-shape outputs, equipment sizing calculations, documented assumptions and sources, version history, and a Read Me with acronym definitions. Prepared for CPUC by Quantum Energy Analytics.