With a $50m grant, a new pilot program in Massachusetts will install heat pumps, smart thermostats, and batteries in 2k low income homes. The goal is to see if it can meaningful reduce "peak energy demand," which is expected to double by 2050.

https://www.wbur.org/news/2023/11/15/generac-mass-save-battery-shave-peak-demand-pilot @wbur.org