Ten types of energy storage

A transition to 100% renewable energy is not just a matter of closing down coal power stations and building wind turbines instead. They function differently on the grid, with the main difference being the variability of renewable energy. Wind and solar power depend on the weather, something we don’t have any control over. The times when power is available aren’t necessarily the times when it is most needed. I experience this most days of the year, when we start cooking the evening meal just as t...