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Ameresco selected to build nuclear power at Aberdeen and Picatinny bases

•2 min read•Analysis
Mentioned:AmerescoTerrestrial Energy

The U.S. Army selected Ameresco to negotiate long-term land leases for commercial nuclear reactor projects at Aberdeen Proving Ground in Maryland and Picatinny Arsenal in New Jersey. The projects align with the Defense Department's $2.2 billion Janus Program to deploy 20 or more microreactors across bases by 2030.

What's happening

  • Ameresco will partner with Terrestrial Energy to deploy a 390-megawatt Integral Molten Salt Reactor at Aberdeen Proving Ground in Maryland, powered by low-enriched uranium fuel and liquid fluoride salt.
  • Ameresco will finance, build and operate nuclear power facilities on leased federal land under the Army's Strategic Capital Initiatives and Enhanced Use Lease authority.
  • The planned centers will generate electricity for regional commercial grids while providing backup power to the bases during blackouts.
  • Ameresco has not yet named a supplier for microreactor and small modular reactor solutions planned for Picatinny Arsenal in New Jersey.

Why it matters

  • The Aberdeen and Picatinny projects advance DoD's Janus Program goal to field over 20 microreactors across military bases by 2030, improving energy resilience and security at critical installations.
  • Pairing nuclear generation with natural gas power at Aberdeen establishes a new firm power model for defense applications, reducing grid dependency during disruptions.
  • Commercial grid revenue from the power campuses offsets military infrastructure costs through long-term land lease agreements, stretching constrained base budgets.

Going deeper

  • The June 2025 Ameresco-Terrestrial Energy agreement preceded this Army selection, signaling DoD confidence in molten salt reactor technology for military deployment.
  • Construction at both sites remains contingent on completing federal environmental and regulatory reviews, a process that typically spans 18 to 36 months for nuclear facilities.

The fine print

  • The contract value is undisclosed; the Army has not stated obligated funds, ceiling price or revenue recognition schedule.
  • Ameresco's role is to negotiate leases and develop the projects, but federal environmental approval is required before construction begins.
  • The Picatinny project lacks a named microreactor supplier, meaning final technology and cost remain uncertain.
Source: The Defense Post · Sep 28, 2026 · Drafted with Claude, reviewed by Industrial Base Alpha.

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