Fusion sector baseline: 53 firms, $9.766B cumulative (FIA Global Fusion Industry Report 2025)
The Fusion Industry Association's fifth annual Global Fusion Industry Report (released 22 July 2025) surveyed 53 fusion companies whose cumulative funding stands at $9.766 billion (a five-fold rise since 2021), with $2.64 billion raised in the 12 months to July 2025 — the highest annual total since 2022. Figures are self-reported to the FIA survey (52 of 53 companies responded; one confirmed via prior-year data), so they represent surveyed private-sector funding rather than an audited sector total. This is a distinct sector-baseline datapoint, not a duplicate of the company-specific General Fusion or CFS cards.
Why it matters (spine). The company-specific fusion cards (General Fusion's public listing, CFS's PJM interconnection) tell you who is moving; this one gives EKG and FKG the denominator. A single audited-adjacent number — cumulative private capital across the whole surveyed field — is the baseline that makes every later "fusion is/isn't getting funded" claim falsifiable. Money angle: $9.766B cumulative and $2.64B in the trailing year is the capital-formation curve behind the "firm, zero-carbon baseload for AI" thesis, sized in one place rather than reconstructed deal-by-deal. Metacrisis lever: it lets us watch whether private capital is actually accelerating toward the grid constraint the AI build-out keeps hitting, instead of trusting vibes.
What would prove it wrong (falsifier). The full FIA report states different totals — i.e. the cumulative $9.766B or the $2.64B trailing-year figures in the underlying "Global Fusion Industry in 2025" PDF differ materially from the headline numbers in the association's release used here.
Live-status check + triangulation. Quoted from the FIA's own release announcing its fifth annual report (published 22 July 2025): "Total funding for the 53 fusion companies stands at $9.766 billion, a five-fold increase since 2021." These are self-reported survey figures — 52 of the 53 companies responded and one was confirmed using prior-year data — so they are surveyed private-sector funding for surveyed firms, not an audited sector-wide total. Independently corroborated: World Nuclear News (23 July 2025) reports "53 fusion companies" with "cumulative funding of USD9.766 billion" and "USD2.64 billion" raised in the 12 months to July 2025; Nuclear Engineering International and related industry reporting carry the same $9.766B / $2.64B / 22-July-2025 figures for the 5th annual report; and the FIA's own "In the News: The Global Fusion Industry in 2025" page corroborates the report title, launch date, and ~$9.77B / $2.6B figures. Verified against the FIA release in-session; the full "Global Fusion Industry in 2025" PDF is the ultimate primary but was not locatable as a direct public download, so the headline figures were confirmed to match across the release and the independent outlets rather than read off the PDF.
Correction carried forward (discipline). (1) The draft said "$9.77B"; the primary states $9.766 billion cumulative — the draft's rounding is accurate and is retained as the shorthand. (2) The draft framed the cited URL as "the sector primary"; it is the FIA's own press release announcing the report, and the full "Global Fusion Industry in 2025" PDF is the ultimate primary — but all headline figures match the release, so the release is used as the authoritative sector source. (3) The draft capsule said "53 private companies"; the primary specifies 53 companies surveyed, of which 52 responded and 1 was confirmed using prior-year data — a scope caveat, not a contradiction, now carried in the capsule and body.
Treat $9.77B cumulative across 53 companies as the fusion-sector funding baseline — with the self-reported-survey caveat attached — and track the annual raise ($2.64B this cycle) as the momentum gauge for the 'firm clean power for AI' thesis. Watch for the 2026 FIA edition to re-baseline.
domains: fusion · sector-baseline · private-funding · capital-formation · energy-for-ai