Grid

Demand response pays you to cut load at grid peaks. How it works, what utilities pay (SCE $75 to join, Mass Save $275/kW for batteries) and Texas in 2023.

The duck curve explained: why midday solar oversupply and steep evening ramps strain California's grid, and how TOU rates and batteries respond.

What is a virtual power plant? Home batteries, EV chargers and thermostats pooled by software to act like one power plant. How enrollment and pay work.

Pumped hydro storage explained: water pumped uphill returns about 70% to 80% of the energy. The US has about 22GW, led by 3,003MW Bath County, Virginia.