Things You Gotta Know
MIT Researchers Publish a Framework for Judging When Fusion Power Plants Can Turn a Profit
MIT professors Dennis Whyte and Andrew Lo co-authored a study in the Journal of Fusion Energy proposing a quantitative framework for assessing what it would take for fusion energy to become commercially viable. The framework rests on ten core parameters spanning scientific inputs, engineering durability, and capital costs, including power density, speed of component replacement, construction cost, efficiency, energy prices, and financing, and defines an Economic Q that must exceed 1.0 for a plant’s lifetime revenue to outweigh its capital and operating costs. With private capital pouring into ventures such as MIT spinoff Commonwealth Fusion Systems, the authors argue that quantitative economic models are now essential tools for engineers and financiers to evaluate early design choices and steer the sector toward cost-competitive power.
Fuse Energy Technologies Reports the Highest Fusion Neutron Yield Publicly Documented by Any Fusion Company
Fuse Energy Technologies published results showing its megajoule class dense plasma focus device FAETON-X produced a peak yield of 1.27 trillion neutrons in a single deuterium-deuterium shot, which the company says is the first publicly documented neutron yield at that level by any fusion company, a mark previously attained only by US national laboratories. Fuse says the result also exceeds the fusion neutron yield per megajoule of the world’s largest government plasma focus facilities, with FAETON-X delivering its yield from roughly 1 megajoule of stored energy, about 40 percent more neutrons per megajoule than Lawrence Livermore National Laboratory’s MJOLNIR facility. The company builds pulsed power fusion machines that generate near-term revenue from radiation effects testing for defense and space customers while advancing toward commercial fusion energy.
Germany Establishes Three National Fusion Hubs Backed by an Initial 125 Million Euros in Federal Funding
Germany’s Federal Ministry for Research, Technology and Space announced funding for three national fusion hubs designed to consolidate research and development and accelerate the transfer of scientific knowledge into industrial application, providing about 125 million euros in a first round to be supplemented by private investment, international collaborations, and federal state activity. The VEGA hub, coordinated by Marvel Fusion and Focused Energy and based at RWE’s former Biblis nuclear power plant, is dedicated to laser fusion; STRIDE, coordinated by Proxima Fusion, Gauss Fusion, and the Max Planck Institute for Plasma Physics, focuses on magnetic fusion and stellarator technology; and MAT-TRIX, led by the Karlsruhe Institute of Technology, covers fuel cycles and materials development including tritium production and breeding blankets. The hubs are part of the Fusion 2040 program under Germany’s High-Tech Agenda, which aims to site the world’s first commercial fusion power plant in Germany.
US Automakers Drop The EV Ball Again
China produced nearly 75% of the world’s electric vehicles in 2025 and more than 80% of EV battery cells, while US manufacturers concentrated on large, expensive EVs. Tesla lost its status as the world’s leading EV maker to China’s BYD and is ending Model S and Model X production to repurpose Fremont manufacturing capacity for Optimus humanoid robots. Ford expects its EV business not to become profitable until 2029, while GM reduced planned EV capacity and recorded EV-related charges. Consumers want affordability and dependable charging: Edmunds data shows nearly half of US consumers want a car priced under $40,000, and a Harvard Business School analysis found public US charging equipment successfully worked only about 78% of the time. The Fusion Report examines whether US auto manufacturers can still compete effectively in the EV market, or whether lower-cost global rivals will gain a lasting advantage.
What Is The Right “Need” In The United States For Commercial Fusion Energy?
The Fusion Report examines what will actually drive US demand for commercial fusion energy when it is expected to start coming online in the mid-2030s. The author argues that counting on AI is a mistake: most optimistic forecasts show electricity demand growth from AI starting to level off in the mid- to late-2030s, and the IEA cites a headwinds case in which data-center energy demand plateaus beyond 2030, reaching about 700 TWh by 2035. Nearer-term answers for decarbonizing electricity already exist, including solar plus battery storage, which the US EIA’s conservative baseline projects will account for at least 14% of total US electricity by 2035, and advanced nuclear fission. The author suggests stronger framing for fusion’s US case: roughly 100 GW of generation capacity is projected to retire by 2035, including 40% of the remaining US coal power plants, and if US EV adoption reached 50%, charging would increase total annual electricity consumption by roughly 13%-15% (500 TWh-600 TWh).
