Support Provided ByLearn More

Cars That Power the Grid

Electric cars that feed energy back to the power grid may play a critical role in a future "smart grid."
Publish Date: Topic: Tech + EngineeringTech & EngineeringNova

In the future, your car might indirectly power your refrigerator. Electric cars are becoming more and more common, and engineers are investigating how these vehicles can feed power back to the electric grid. Here, see one "V2G" (vehicle-to-grid) prototype developed by Willett Kempton at the University of Delaware.

Support Provided ByLearn More

Explore More

Major funding for "Power Surge" is provided by the Kendeda Fund. Additional funding for this program is provided by Michael and Roxanne Zak, the Earth Science Program at NASA and by the Millicent and Eugene Bell Foundation.

National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting, and PBS viewers.