Increasing numbers of homes outfitted with solar panels and batteries have the potential to help power entire regions with renewable energy. Working together, homes with solar setups are turning neighborhoods into virtual power plants that can feed power back to the grid and prevent blackouts.

These interconnected solar power systems are popping up across the globe — from apartment complexes in California and Utah, to public housing in South Australia. In the future, virtual power plants might even be made up of fleets of electric vehicles. It’s the next generation of solar power technology.

Virtual power plants are gaining traction because they solve some big problems with aging electricity grids. They can replace dirty power plants…

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