Pacific Fusion

Fact sheet

• Founded: 2023↗ Introducing Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion 2026 Company Profile: Valuation, Funding & Investors | PitchBook↗ Pacific Fusion
• HQ: Fremont, California, United States↗ Introducing Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion 2026 Company Profile: Valuation, Funding & Investors | PitchBook↗ Pacific Fusion
• Total funding: $900M↗ Introducing Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion 2026 Company Profile: Valuation, Funding & Investors | PitchBook↗ Pacific Fusion
• Key technology: Impedance-matched Marx generator (IMG) pulsed power system↗ Fusion Power Breakthrough: Pacific Fusion's Cost-Effective Approach (2026) · 2026-08-09↗ 3,000 Shots Closer to Commercial Fusion? Livermore National Lab Touts Pulsar Energy Breakthrough | Energy Tech · 2026-07-21↗ LLNL and Pacific Fusion Achieved 3,000 Shots On An Impedance-Matched Marx Generator - The Fusion Report · 2026-07-21↗ Introducing Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion
• Key goal: High-gain, net-facility-gain inertial fusion energy↗ Introducing Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion↗ Pacific Fusion 2026 Company Profile: Valuation, Funding & Investors | PitchBook↗ Pacific Fusion
• Prototype name: Sirius (pulsed-power prototype developed at LLNL in partnership with Pacific Fusion)↗ 3,000 Shots Closer to Commercial Fusion? Livermore National Lab Touts Pulsar Energy Breakthrough | Energy Tech · 2026-07-21↗ Revolutionizing Fusion Energy: 3,000 Successful Tests with 95% Efficiency (2026) · 2026-07-17
• Lawrence Livermore National Laboratory: LLNL and Pacific Fusion are collaborating on a pulsed-power prototype that has surpassed 3,000 shots, advancing U.S. high-gain fusion capability.↗ Pacific Fusion-Livermore partnered prototype surpasses 3,000 shots - ExchangeMonitor | Page 1 · 2026-08-04↗ 3,000 Shots Closer to Commercial Fusion? Livermore National Lab Touts Pulsar Energy Breakthrough | Energy Tech · 2026-07-21↗ LLNL and Pacific Fusion Achieved 3,000 Shots On An Impedance-Matched Marx Generator - The Fusion Report · 2026-07-21↗ LLNL, Pacific Fusion partnership advances next-generation pulsed-power technology | Lawrence Livermore National Laboratory
• Manufacturing site: Los Lunas, New Mexico (opened late 2025)↗ Matthew Pahl wants New Mexico kids dreaming of fusion jobs, not just fusion science · 2026-07-19
• Planned facility: ~$1 billion manufacturing operation in New Mexico (larger than Los Lunas site, in preparation)↗ Matthew Pahl wants New Mexico kids dreaming of fusion jobs, not just fusion science · 2026-07-19
• Target timeline: Commercial fusion energy by the mid-2030s↗ Matthew Pahl wants New Mexico kids dreaming of fusion jobs, not just fusion science · 2026-07-19
• Key person: Matthew Pahl — leading Pacific Fusion's New Mexico efforts↗ Matthew Pahl wants New Mexico kids dreaming of fusion jobs, not just fusion science · 2026-07-19
• Full-power system architecture: 156 pulsars (IMGs) arrayed to produce a high-current, high-voltage beam directed at the fusion target↗ LLNL and Pacific Fusion Achieved 3,000 Shots On An Impedance-Matched Marx Generator - The Fusion Report · 2026-07-21

Connections

• Lawrence Livermore National Laboratory — LLNL and Pacific Fusion are collaborating on a pulsed-power prototype that has surpassed 3,000 shots, advancing U.S. high-gain fusion capability.↗ Lawrence Livermore-Pacific Fusion Collaboration Breaks New Record to Advance America's High-Gain Fusion Capability
• Lawrence Livermore National Security, LLC — LLNL researchers partnered with Pacific Fusion on fusion energy research, achieving a record number of high-voltage electrical discharges with the Sirius prototype.↗ LLNL to Lead 10 Projects in DOE's Genesis Mission | Mirage News
• United States Department of Energy National Laboratories — Pacific Fusion partnered with Lawrence Livermore National Laboratory under a Cooperative Research and Development Agreement to design and build a pulsed-power fusion prototype.↗ Lab Report July 24, 2026

Recent developments

• Pacific Fusion has unveiled promising experimental results from their pulsed magnetic inertial fusion approach, highlighted as a cost-effective path to commercial fusion power.

  Read more ↗fultonradio.com9 Aug

• Pacific Fusion and Lawrence Livermore National Laboratory (LLNL) announced that their jointly developed Sirius pulsed-power prototype has surpassed 3,000 shots, marking a significant milestone in advancing U.S. high-gain inertial fusion energy capability.

  Read more ↗exchangemonitor.com4 Aug

• Researchers at Lawrence Livermore National Laboratory, in partnership with Pacific Fusion, have achieved a record number of high-voltage electrical discharges using the Sirius pulsed-power prototype, surpassing 3,000 shots. The impedance-matched Marx generator (IMG) system stacks pulses to deliver immense power toward the goal of high-gain inertial fusion energy.

  Read more ↗energytech.com21 Jul

• The Fusion Report detailed Pacific Fusion's pulsed inertial fusion architecture, noting that a full-power system will utilize 156 pulsars (impedance-matched Marx generators) to produce a high-current, high-voltage beam directed at the fusion target, and that the Sirius prototype at LLNL has surpassed 3,000 shots.

  Read more ↗thefusionreport.com21 Jul

• Pacific Fusion has opened a manufacturing site in Los Lunas, New Mexico, and is preparing an even larger $1 billion operation, with the goal of achieving commercial fusion energy by the mid-2030s.

  Read more ↗abqjournal.com19 Jul

• A pulsed-power prototype named Sirius, developed at Lawrence Livermore National Laboratory in partnership with Pacific Fusion, has surpassed 3,000 shots and demonstrated ~95% efficiency, marking a key maturity milestone for high-gain pulsed magnetic inertial fusion energy development.

  Read more ↗llnl.gov17 Jul

• Linked to Lawrence Livermore National Laboratory: LLNL and Pacific Fusion are collaborating on a pulsed-power prototype that has surpassed 3,000 shots, advancing U.S. high-gain fusion capability.

  Read more ↗finance.yahoo.com16 Jul

• Lawrence Livermore National Laboratory (LLNL) and Pacific Fusion's pulsed-power prototype has surpassed 3,000 shots, demonstrating the maturity of the U.S. high-gain fusion capability through a government-industry collaboration.

  Read more ↗finance.yahoo.com16 Jul

Links