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3h ago

Commonwealth Fusion Systems Files First-Ever PJM Grid Request for 400 MW Virginia Fusion Plant

The filing starts a multi-year grid review that will test whether a first-of-its-kind Virginia plant can deliver power in the early 2030s.

CFS-ARC-Power-Plant-Aerial-Illustration: Commonwealth Fusion Systems (CFS) plans to begin operating the Fall Line Fusion Power Station, home of the company’s first ARC fusion power plant, in the early 2030s. This illustration shows a ground-level view of the facility in Chesterfield County, Virginia. Fusion, the physical process that powers the sun, is a clean, safe, and carbon-free source of energy. Source: Commonwealth Fusion Systems
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Bob Mumgaard, CEO of Commonwealth Fusion Systems, speaks during a Siemens keynote at CES 2026, an annual consumer electronics trade show, in Las Vegas, Nevada, U.S. January 6, 2026. REUTERS/Steve Marcus/File Photo
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Overview

  • Commonwealth Fusion Systems, which filed Tuesday, became the first fusion developer to seek connection to PJM, the largest U.S. grid operator.
  • The company plans to plug in its 400-megawatt ARC unit at the Fall Line Fusion Power Station in Chesterfield County, Virginia.
  • PJM will run interconnection studies that typically take four to six years, and the operator is working through a large backlog.
  • The company outlines a path that includes a SPARC test in 2027, construction of ARC as early as late 2026, and first power in the early 2030s.
  • CFS says the move builds on 2025 steps that included a local permit, power offtake deals with Google and Eni, and U.S. Energy Department validation of its magnet technology.