ARPA-E ARPA-E

A 2005 National Academies report, Rising Above the Gathering Storm, recommended an energy research agency modeled on the Pentagon's DARPA. Congress authorized the Advanced Research Projects Agency-Energy in the America COMPETES Act, signed on August 9, 2007, and first funded it with $400 million from the 2009 economic stimulus. It is led by a Director who reports directly to the Secretary of Energy.

ARPA-E funds early-stage technologies that are too risky for private investors but could transform how energy is produced, stored, and used, such as new batteries, grid controls, advanced nuclear designs, and low-carbon industrial processes. Like DARPA, it relies on program directors hired for limited terms who design focused programs, pick projects, and actively manage them, ending those that fail to meet milestones. It also helps teams find private investors and partners to carry technologies to market.

Since 2009 ARPA-E has funded well over a thousand projects, and companies it backed have attracted billions of dollars in private follow-on investment, though some high-profile projects have failed, as expected for a high-risk portfolio. Its budget has been a recurring target: presidents proposed eliminating it in 2017 and later years, and the 2026 budget request proposed deep cuts. Supporters across both parties credit it with seeding promising technologies, while critics argue the government should not pick winners in energy markets.