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Energy storage

Technician Alexis Portalatin stands next to rooftop solar panels he is connecting to a new Tesla battery storage system the San Juan suburb of Guaynabo. The storage system will allow the panels to operate separately from the power grid and supply electric

Hurricanes blew away Puerto Rico’s power grid. Now solar power is rising to fill the void.

Economics

Hurricanes Irma and Maria brought a catastrophic power outage to Puerto Rico. But they also created an unprecedented opportunity for solar power and battery storage on the island.

Attendees take pictures of the new Tesla Energy Powerwall Home Battery during an event at Tesla Motors in Hawthorne, California, on April 30, 2015.

If Tesla’s new solar power batteries are as good as its cars, they could be a game changer

Environment
Lutz Wiese of Vattenfall power company refuels a hydrogen-powered Mercedes at a filling station in Berlin. Vatenfall is a partner in the world's first direct wind-hydrogen power plant, in northern Germany. Using wind-generated electricity to create hydrog

The car of the future — the very near future — might be driven by the wind

Technology
Wind turbine and solar panels

Someday, you may store your solar or wind power in a ‘rhubarb battery’ from Harvard

Environment
Wind turbine and solar panels

Someday, you may store your solar or wind power in a ‘rhubarb battery’ from Harvard

Environment

Green Energy Milestone: Industry Says Wind is Spain’s Top Electricity Source

Business, Economics and Jobs

For the first time ever, wind power was the top source of electricity in Spain over the last three months. So says the country’s wind power association.

The World

The Future of Flywheels

So far, the biggest problem with electric cars has been designing an efficient enough battery. Jennifer Schmidt of member station KPLU reports on the flywheel battery, which many believe will revolutionize electric vehicle performance.