War Department Exhibited Over 100 Energy Technologies
The Pentagon showcased innovation projects aimed at securing military power infrastructure.
Updated on Sept. 28, 2026 in Energy
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The War Department hosted the Energy Sentry expo to display over 100 energy technology projects at the Pentagon. The three-day exhibition highlighted advancements in microgrids, nuclear power, and space-based energy transmission.
Why it matters
The military is prioritizing energy independence to protect logistics and combat platforms from potential adversary targeting. These initiatives, including the Golden Dome power requirements, are designed to ensure operational continuity on secure domestic power grids.
The department demonstrated 100 energy innovation exhibits across four central focus areas including nuclear capabilities and space-based power transmission. These systems pair microgrids with long-duration energy storage and cyber protections.
The players
War Department
The defense organization responsible for national security and military logistics, currently managing four distinct funding programs to transition private-sector energy technology.
Army
The branch of the military currently developing the Janus program for domestic microreactors and the Tactical Microgrid Standard.
Air Force
The military branch managing the Advanced Nuclear Power for Installations program and the METEOR power system.
Navy
The naval military branch currently demonstrating technology to beam power from space.
The details
The department is integrating operators into the development and deployment of power systems from the initial stage to ensure functionality in field environments. Key technology demonstrations include the Army's Tactical Microgrid Standard, the Air Force's METEOR power system, and space-based power beaming systems from the Navy. The effort also focuses on accelerating TRISO fuel development to maintain domestic supply chains for advanced nuclear microreactors.
Timeline
The Energy Sentry expo began at the Pentagon on September 27, 2026.
The innovation exhibition lasted for a duration of three days.
The Tech Race
The department is scaling these technologies to support the power-intensive requirements of the Golden Dome initiative. This development marks a transition from conceptual research to integrated field demonstrations of nuclear and microgrid capabilities.
These technologies focus on hardening domestic military installations and logistics grids against external threats. The shift to integrated operator development aims to accelerate the transition of private-sector energy hardware into active military deployment.
The takeaway
The War Department is moving to secure its energy supply chain by reducing reliance on external competitors for advanced reactor fuel. Observers should track the expansion of the Janus program for further updates on the operational deployment of domestic nuclear microreactors.
Further reading
Explore related developments in the Energy section.
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Should the federal government prioritize military energy self-sufficiency to improve national security?
