Julia Calderon’s battery is connected to hundreds of others in a network known as a virtual power plant. Photos by Colin Kinniburgh/New York Focus. ( Colin Kinniburgh/New York Focus) How a more flexible grid could save New York billions Julia Calderon’s power used to go out regularly. She lives in Warwick, and remembers once having to bury an ice cream cake... Home 25 Feb 2026 | 12:22