Focused Energy, a German-American company, has announced plans to construct a prototype laser-based fusion power plant in Hesse, Germany. The facility will be located on the site of the former Biblis nuclear power station, a decommissioned fission plant. This project represents a significant step in Germany's national fusion strategy, supported by the Federal Ministry of Education and Research, and aims to demonstrate a commercially viable path for inertial confinement fusion (ICF). The company, co-founded by Professor Markus Roth of the Technical University of Darmstadt, is targeting initial operation of the prototype in the early 2030s. Source: Fusion sector
The technical approach deviates from the hot-spot ignition method successfully demonstrated at the National Ignition Facility. Focused Energy will instead pursue a two-step proton-fast ignition scheme. In this configuration, hundreds of lasers first compress a fuel pellet. A subsequent, separate high-intensity laser pulse generates a beam of protons that rapidly heats a localized spot on the compressed fuel to ignition temperatures. According to the company, this method is designed to be more efficient, requiring less total laser energy to initiate fusion and potentially enabling a higher net energy gain, a critical factor for a power-plant-scale device. Source: Fusion sector
The technical approach deviates from the hot-spot ignition method successfully demonstrated at the [National Ignition Facility](/programs/national-ignition-facility).
This initiative builds on recent progress in the ICF field, most notably at Lawrence Livermore National Laboratory's NIF. NIF has repeatedly achieved scientific energy gain, or Q_plasma > 1, with one experiment producing 3.15 MJ of fusion energy from 2.05 MJ of laser energy delivered to the target. While NIF is a research facility not designed for power generation, its results have validated the fundamental physics of laser-driven fusion. Focused Energy's goal is to translate these scientific achievements into a system capable of sustained, high-repetition-rate operation necessary for electricity production, a challenge that involves significant engineering of lasers, target delivery, and heat extraction systems. Source: Fusion sector
The selection of the Biblis site is logistically and politically significant. It provides access to existing infrastructure, including grid connections and a skilled workforce familiar with nuclear operations, potentially streamlining development. For Germany, which has phased out nuclear fission, repurposing a former fission site for a fusion project signals a strategic pivot in its advanced energy policy. The project aligns with a broader trend of public-private partnerships in the fusion industry, where startups are increasingly taking the lead in developing and commercializing reactor concepts with government backing and leveraging expertise from national laboratories and universities. Source: Fusion sector