Pacific Fusion reveals prototype delivering 440 gigawatts in 80-nanosecond burst
Original: Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst
Why This Matters
Breakthrough in fusion technology could accelerate commercialization of clean energy
Pacific Fusion unveiled its latest pulser module prototype Tuesday, generating 440 gigawatts in an 80-nanosecond burst. The milestone unlocked funding from the company's $1+ billion Series A round and enables construction of its demonstration fusion power plant this summer.
Pacific Fusion's shipping container-sized prototype successfully demonstrated the pulser technology needed for its demonstration fusion power plant, with construction beginning this summer. The results were sufficient to unlock another tranche of the company's Series A funding round exceeding $1 billion, though the tranche size wasn't disclosed. The startup pursues inertial confinement fusion using 156 pulser modules to deliver electrical jolts to fuel targets, creating magnetic fields that compress eraser-sized pellets until atoms fuse. CTO Keith LeChien said the tranche-based funding model allows the team to focus on technical milestones rather than constant fundraising. The company aims to achieve net energy gain, where the power plant produces more electricity than it consumes. Pacific Fusion uses electrical switches and capacitors instead of expensive lasers like the National Ignition Facility, coordinating thousands of components to generate precisely timed 100-nanosecond electrical pulses.