Many believe we can stabilise the power supply by asking customers to help - but there's a problem.
An obscure Supreme Court ruling paves the way for people and businesses to earn money with distributed energy technologies.
The Supreme Court hears a case that will decide whether homes and businesses can earn money from distributed energy technologies, including demand response and home battery systems.
Smoothing out variable wind and solar is a growing problem. Instead of storing energy with batteries, utilities can adjust the power of millions of devices in buildings and homes.