“On May 22, 2022, I began an experiment. I unplugged everything in my apartment, with the goal of drawing zero power from the electric grid for one month. I had no idea how I would make it past a few days… As I type these words in January, I’m in my eighth month.”

https://arstechnica.com/science/2023/01/i-disconnected-from-the-electric-grid-for-8-months-in-manhattan/