EVs to the Rescue: How Cars Could Power America’s Grid Future

DOE expands V2X push with new partners to turn EVs into grid helpers, easing outages and slashing emissions

7 Jan 2025

The US Department of Energy has expanded its Vehicle-to-Everything initiative, adding nine new partners in a bid to make electric vehicles part of the national power grid’s solution to rising energy demand and system stress.

The expanded coalition, now numbering more than 20 members including the Climate Center and the Massachusetts Clean Energy Center, brings together carmakers, utilities, nonprofits and research bodies. Their goal is to enable parked electric vehicles to return unused electricity to the grid during peak hours, easing pressure on supply and reducing the need for fossil fuel generation.

The effort comes as the country’s power infrastructure faces growing strain from renewable integration and rising electrification. With millions of battery-powered vehicles expected on the road this decade, the DOE sees them as a potential distributed energy resource. Even a small share providing power back to the grid could, it argues, lower emissions and strengthen grid stability.

“This isn’t just about electric vehicles,” said Ellie Cohen, chief executive of the Climate Center. “It’s about rethinking energy from the ground up. When done right, V2X technology can transform how we power communities.”

In December 2024, the department allocated $51.7mn to fund 19 clean transport projects, including $7mn dedicated to advancing vehicle-to-grid, or V2X, technologies. The grants form part of a wider federal push under the Inflation Reduction Act to modernise energy systems and accelerate electrified transport.

Interoperability and security remain key hurdles. Differences in charging standards and communication protocols between carmakers and network operators have slowed progress, while cybersecurity risks have grown as more connected vehicles interact with grid systems. The DOE-led coalition aims to develop common technical standards and stronger safeguards.

If successful, the initiative could help stabilise power supply during extreme weather events and reshape how households and businesses consume electricity. Policymakers view V2X as a long-term step toward a more flexible and resilient energy network, one where cars act not only as transport but as part of the nation’s clean power infrastructure.