Snapshot
Continue to About ↓- What it does
- Maritime Fusion is a pre-product startup building compact high-temperature superconducting (HTS) tokamak fusion reactors aimed at large commercial vessels and off-grid or defense installations, rather than grid power.
More detail
- Its planned first-of-a-kind reactor, Yinsen, is targeted at roughly 25–70 MWe, with first deployment targeted for 2032.
- The company has a San Francisco HTS magnet lab, prototype work on its SHIELD superconducting cable, and is onboarding early partners
- no reactor has been delivered or independently reviewed.
- Best for
- Large commercial shipowners and operators facing maritime decarbonization rules without a viable fuel path, and defense or remote/islanded energy buyers who need power where the grid cannot reach.
More detail
- Early-adopter energy partners willing to engage years before first deployment in 2032.
- Pricing
- No product price list exists; the reactor cannot be purchased today.
More detail
- Maritime Fusion publishes only capital-cost estimates: about $700M overnight CapEx for a first-of-a-kind Yinsen (~25–70 MWe), with Nth-of-a-kind units projected to approach $400M as manufacturing scales and HTS tape gets cheaper.
- I
- Main limitation
- Grid utilities or datacenter power buyers, which the company explicitly does not target, and anyone needing installed power before the 2032 target date.
More detail
- Also a poor fit for buyers requiring a proven, licensed or certified reactor, or for small vessels.
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About
- Maritime Fusion is a pre-product startup building compact high-temperature superconducting (HTS) tokamak fusion reactors aimed at large commercial vessels and off-grid or defense installations, rather than grid power.
- Its planned first-of-a-kind reactor, Yinsen, is targeted at roughly 25–70 MWe, with first deployment targeted for 2032.
- The company has a San Francisco HTS magnet lab, prototype work on its SHIELD superconducting cable, and is onboarding early partners
- no reactor has been delivered or independently reviewed.
What it helps with
- Marine decarbonization with no fuel bunkering: the company claims zero-emission operation without ever refueling, addres
- Cargo-space penalty of alternative fuels: the company says the complete propulsion system fits in roughly 6,000–7,000 m³
- First-wall materials limits at grid scale: by targeting lower power density (about 5× lower first-wall loading than grid
- Off-grid and defense power: robust operational energy for remote installations and environments where the grid cannot re
- High-current cable bulk and losses: its SHIELD cable is claimed to need about a quarter of the cross-section of an equiv
Capabilities
A practical view of what is available and where limitations apply.
| Offering | Available | Detail |
|---|---|---|
| Yinsen reactor | Limited | Planned low-power-density HTS tokamak at ~25–70 MWe and about 8 m across; not yet built, first deployment targeted 2032. |
| SHIELD superconducting cable | Limited | Patent-pending HTS cable claimed at up to 8 kA at 77 K self-field and about a quarter the cross-section of equivalent copper; prototype-stage with a 5,000 A bench test reported. |
| Marine propulsion integration | Limited | Tokamak, shielding, cryogenics, RF, magnet supplies, tritium handling and heat conversion designed to fit in ~6,000–7,000 m³; design-stage only. |
| Off-grid / defense deployment | Limited | Named target markets on the company site; no deployment or customer is disclosed. |
| HTS magnet lab | Yes | Lab in San Francisco stood up for magnet and cable development. |
| Research partnerships | Yes | Sponsored research agreement with Columbia University and DIII-D National Fusion Facility user status for pulse-scenario experiments, per the company blog. |
| Third-party performance validation | No | No independent test result, review or customer deployment was found in the supplied evidence; performance claims are first-party. |
| Regulatory / certification pathway | Unknown | Marine fusion licensing and certification are not addressed in the supplied sources. |
| Purchasable product | No | No reactor is for sale or delivered; the company is onboarding early partners. |
| Deployment geography | Unknown | Global shipping and remote sites implied, but no countries, ports or flag states are named. |
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Evidence
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- Primary source
- maritimefusion.com
Technical profile details
Record ID
dc78ae0c-181c-4537-958f-1441ae6c2eb1Canonical URLhttps://profiles.scribble.network/listing/maritime-fusion-dc78ae0c