NASA is inviting U.S. commercial companies to develop and demonstrate mid-power Hall-effect thruster prototypes through its Advanced Mid-Power Electric Rocket (AMPERE) Challenge. The challenge focuses on systems rated from 3 to 7 kilowatts, a capability that government and industry stakeholders have identified as important for satellite, defense and exploration missions.

A Hall-effect thruster turns electricity and inert gas into force that could propel a spacecraft, according to NASA’s description. AMPERE is intended to help move this kind of electric propulsion toward practical use: NASA says it aims to accelerate the technology’s maturation, validate real-world performance in NASA test facilities and build a foundation for future NASA and commercial missions.

Those aims describe what the challenge is designed to accomplish, not results already demonstrated by its entrants. Companies are being asked to produce and demonstrate prototypes. The NASA announcement does not report prototype test outcomes.

The challenge offers $500,000 in total prizes. Up to two winning teams can each receive as much as $250,000, along with access to NASA testing and technology across three phases. The page does not explain the phases or specify the performance measures that will determine whether a prototype meets the challenge’s goals.

Participation is limited to companies incorporated in the United States that maintain their primary place of business there. NASA lists November 9, 2026, as the registration opening date and January 27, 2027, as the closing date.

By focusing on a defined power range and providing access to NASA test facilities, AMPERE is set up to assess prototype performance in a NASA testing environment. That could help build evidence for whether these systems can support later missions, while the challenge itself remains a development and demonstration effort.