The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
The pin dates the April 28, 2026 interconnection-application announcement. No exact future commissioning year or day is established; the operator targets the early 2030s.
CFS[4] announced April 28, 2026 that its proposed 400 MW ARC plant at Chesterfield County, Virginia, named Fall Line Fusion Power Station, had applied for PJM interconnection. CFS targets the early 2030s. An interconnection application is an engineering-study request, not proof of financing, completed construction or commercial fusion output.
New Atlas independently corroborates CFS's[2][4] own claim that the Virginia ARC plant aims to 'produce a continuous 400 megawatts... by the early 2030s,' matching the pin's own estimated framing without pinning an exact date.
Commonwealth Fusion Systems' own press release states ARC is projected to 'deliver power to the grid in the early 2030s' - consistent with the pin's own estimated framing for a December 2032 target, though no exact date is given.[1]
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CFS announced April 28, 2026 that its proposed 400 MW ARC plant at Chesterfield County, Virginia, named Fall Line Fusion Power Station, had applied for PJM interconnection. CFS targets the early 2030s. An interconnection application is an engineering-study request, not proof of financing, completed construction or commercial fusion output.[2]