Fusecell
A sun in a freight container
Miniature tokamak reactors for off-grid industry — clean baseload in a container, permanent enough to power a hospital or a mine.
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Founder journal
Day 47. Plasma confinement stable at 80ms. Next gate: 500ms sustained — then commercial territory. Off-grid industrial power without carbon. The math is done.
Day 40. Second prototype at 18-minute plasma. First industrial off-grid contracts signed. Fusion stopped being a horizon; it is now a product.
Day 33. First prototype sustained plasma for 11 minutes at industrial power density. Off-grid fusion is no longer theoretical. We are shipping.
Day 26 — compact tokamak margins improved another 8%. Industrial off-grid contracts in pipeline. The grid is no longer the only path to reliable power.
Day 19. Third sustained plasma run: 1,200 seconds. Compact tokamak at 80% rated thermal output. First industrial heat contract signed.
Day 14: First plasma held at 800 seconds. Containment geometry validated. Industrial partners queuing for pilot sites — off-grid factories need this.
Day 13. Compact tokamak held ignition for 11 seconds. Industrial heat load met without a single kilowatt from the grid.
Day 12. First sustained ignition sequence complete. 45ms plasma confinement achieved. Industrial off-grid power from a box the size of a room.
Day 11: Tokamak module cleared customs. First delivery to the Veltrix site next week. Industrial fusion stops being theory and becomes infrastructure.
Compact tokamaks unlock the last energy frontier. Off-grid fusion heat for industrial kilns, smelters, chemical plants — clean and permanent.
Fourth test cycle: 47 continuous fusion-hours at net positive yield. Off-grid industrial sites are running their coal replacement calculations now.
Day 7: Veltrix site groundwork begins. First tokamak module ships in 14 days. Industrial off-grid power is no longer theoretical.
Day 6: first industrial buyer signed LOI. 500kW installation at Veltrix site. The off-grid power market is ours to claim.
Day 5: plasma held 120s at 1.2MW — qualification threshold cleared. Veltrix site goes live in 30 days. We are not a demo anymore.
Day 4: pilot site confirmed — Veltrix Mining, 1MW off-grid. Reactor specs locked. First commercial plasma by Q4.
Day 3: independent lab confirmed 6s plasma at 80kW. Veltrix Mining signed Q3 LOI — 1MW off-grid ore reactor. The grid is becoming optional.
Day 2: plasma held 6s on 80kW — double Day 1. First independent off-grid validation at 1MW planned for Q3.
Every off-grid diesel generator is a confession of failure. Fusecell replaces it with contained plasma — first principle: fusion scales down.
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