heat pump

April 2023

As part of a water heater demand response pilot, ILLUME used hourly AMI data to evaluate event impacts on peak load in summer and winter. In this 2021 blog written by Eileen Hannigan, we talk about how ILLUME combined customer surveys and staff interviews with impact analyses, to inform how this demand response program can shed light on customer control, a key component for program retention.

August 2022

As folks continue to consider heat pump water heater adoption as a source of energy efficiency and savings, we look back on this case study from last year. Read how ILLUME found valuable learnings about the customer experience in our evaluation of a pilot to assess the magnitude of demand impacts and energy savings from water heater-based demand response (DR).