The Milestone-Based Fusion Development Program is an ongoing program under the United States Department of Energy, office of fusion energy sciences to support the development of a fusion pilot plant (FPP) and eventually commercialize fusion power. [1] [2] [3] As of 2024, eight private companies have received a total of $46 million for the first 18-month period of performance. The program is planned to run for five years and culminate in one or more fusion pilot plants.
The need for a fusion pilot plant has been recognized throughout the program to develop fusion power. Most recently before the announcement of the Milestone-Based Fusion Development Program, in 2021 the National Academies of Sciences, Engineering, and Medicine (NASEM) released a report which highlighted the need for such a program and advised its creation. [4] In 2022 the Biden administration and DOE announced a Bold Decadal Vision for Commercial Fusion Energy which included plans to fund support for pilot plant development program. [5] [6] [7]
The funding opportunity announcement (FOA) was announced by the US Department of Energy in September 2022, and $50 million was earmarked for the program. [8] [9] Applications were received in December 2022. [3] [10] Eight companies were selected for negotiation in May 2023. However, agreements were not signed with the awardees until more than a year later in June 2024, [11] reportedly due to concerns over how intellectual property would be handled. [12]
In June 2024, at a White House summit the Department of Energy announced that all eight companies had successfully concluded detailed milestones negotiations with the federal government and that agreements had been signed to commence the Milestone Program. [13]
The eight awardees are:
The awardees include 2 companies pursuing the tokamak approach, 2 companies pursuing the stellarator approach, 2 companies pursuing inertial confinement fusion, one company pursuing the magnetic mirror approach, and one company pursuing the Z-pinch approach.
The program is structured as a public–private partnership between the DOE and the awardees. The companies unlock matching funds upon completion of quantitative milestones, up to the full award amount. [10]
The program is structured in three periods of performance: One spanning the first 18 months, one spanning the second 18 months, and one spanning the remaining 24 months of the five-year term. The first period of performance will presumably end around the end of 2025, assuming a start date based on the June 2024 announcement.
Only the first period of performance has been announced and awarded. The $46 million number is for the first period of performance. Subsequent periods of performance have not as of 2024 been announced, appropriated, or awarded.
The applicants were encouraged to propose collaborations with US national laboratories, with which the DOE would contract separately and pay directly. Oak Ridge National Laboratory will work with six of the eight companies. [14]
As of January 2025, the DOE has announced that at least 3 companies have completed at least 5 scientific and technical milestones. [15] While the specific milestones are typically protected information of the company, the following were announced. There may be more milestones that have been completed:
The year-long gap between the announcement of awardees and their signing agreements with the DOE was apparently due to a dispute over how companies' intellectual property would be treated under the award. [12] Reporting stated that the companies' rights to existing and subject intellectual property was not sufficiently safeguarded under the DOE's initial proposed terms. At the time of the announcement, the total private investment in Commonwealth Fusion Systems was larger than $2 billion.
Company name | Location | Approach | Amount awarded in first period of performance | Project name [14] |
---|---|---|---|---|
Commonwealth Fusion Systems | Cambridge MA | Tokamak | $15 million [16] | Commercial fusion power on a decadal timescale with the compact, high-field ARC power plant |
Focused energy Inc | Austin TX | Inertial confinement fusion | Company has not announced | ? |
Thea Energy, Inc (formerly Princeton Stellarators Inc) | Branchburg NJ | Stellarator | Company has not announced | Stellarator fusion pilot plant enabled by array of planar shaping coils |
Realta Fusion Inc | Madison WI | Magnetic mirror | Company has not announced | The high-field axisymmetric mirror on a faster path to fusion energy |
Tokamak Energy (US subsidiary of UK company) | Bruceton Mills WV | Spherical tokamak | Company has not announced | ST-E1 preliminary design review for a fusion pilot plant |
Type One Energy Group | Madison WI | Stellarator | Company has not announced | The high-field stellarator path to commercial fusion energy |
Xcimer Energy Inc. | Redwood City, CA | Inertial confinement fusion | $9 million [17] | IFE pilot plant with a low-cost, high-energy excimer driver and the HYLIFE concept |
Zap Energy Inc. | Everett, WA | Z-pinch | $5 million [18] | ? |
Oak Ridge National Laboratory (ORNL) is a federally funded research and development center in Oak Ridge, Tennessee, United States. Founded in 1943, the laboratory is now sponsored by the United States Department of Energy and administered by UT–Battelle, LLC.
Princeton Plasma Physics Laboratory (PPPL) is a United States Department of Energy national laboratory for plasma physics and nuclear fusion science. Its primary mission is research into and development of fusion as an energy source. It is known for the development of the stellarator and tokamak designs, along with numerous fundamental advances in plasma physics and the exploration of many other plasma confinement concepts.
Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors. Research into fusion reactors began in the 1940s, but as of 2024, no device has reached net power, although net positive reactions have been achieved.
This timeline of nuclear fusion is an incomplete chronological summary of significant events in the study and use of nuclear fusion.
The Tokamak Fusion Test Reactor (TFTR) was an experimental tokamak built at Princeton Plasma Physics Laboratory (PPPL) circa 1980 and entering service in 1982. TFTR was designed with the explicit goal of reaching scientific breakeven, the point where the heat being released from the fusion reactions in the plasma is equal or greater than the heating being supplied to the plasma by external devices to warm it up.
Magnetic confinement fusion (MCF) is an approach to generate thermonuclear fusion power that uses magnetic fields to confine fusion fuel in the form of a plasma. Magnetic confinement is one of two major branches of controlled fusion research, along with inertial confinement fusion.
Cellana, Inc. is an American company which develops of algae-based bioproducts for high-value nutrition, ink, and bioenergy applications, including Omega-3 nutraceutical applications, sustainable ink, aquaculture and animal feeds, human food ingredients, pigments, specialty chemicals, and biofuels. The company, with offices in Hawaii and San Diego, has received multiple multimillion-dollar grants from the United States Department of Energy and United States Department of Agriculture.
ARPA-E, or Advanced Research Projects Agency–Energy is a United States government agency tasked with promoting and funding research and development of advanced energy technologies. It is modeled after the Defense Advanced Research Projects Agency (DARPA).
General Fusion is a Canadian company based in Richmond, British Columbia, which is developing a fusion power technology based on magnetized target fusion (MTF). The firm was founded in 2002 by Dr. Michel Laberge. As of 2024, it has more than 150 employees.
Alvin William Trivelpiece was an American physicist whose varied career included positions as director of the Office of Energy Research of the U.S. Department of Energy (DOE), executive officer of the American Association for the Advancement of Science (AAAS), and director of Oak Ridge National Laboratory (ORNL). He was also a professor of physics and a corporate executive. Trivelpiece's research focused on plasma physics, controlled thermonuclear research, and particle accelerators. He received several patents for accelerators and microwave devices. He died in Rancho Santa Margarita, California in August 2022 at the age of 91.
SAGE Electrochromics, Inc., a wholly owned subsidiary of Saint-Gobain, is a specialized window glass developer based in Faribault, Minnesota.
Helion Energy, Inc. is an American fusion research company, located in Everett, Washington. They are developing a magneto-inertial fusion technology to produce helium-3 and fusion power via aneutronic fusion, which could produce low-cost clean electric energy using a fuel that can be derived exclusively from water.
The Princeton Large Torus, was an early tokamak built at the Princeton Plasma Physics Laboratory (PPPL). It was one of the first large scale tokamak machines and among the most powerful in terms of current and magnetic fields. Originally built to demonstrate that larger devices would have better confinement times, it was later modified to perform heating of the plasma fuel, a requirement of any practical fusion power device.
Commonwealth Fusion Systems (CFS) is an American fusion power company founded in 2018 in Cambridge, Massachusetts after a spin-out from the Massachusetts Institute of Technology (MIT). Its stated goal is to build a small fusion power plant based on the ARC tokamak design. It has participated in the United States Department of Energy’s INFUSE public-private knowledge innovation scheme, with several national labs and universities.
Tokamak Energy is a fusion power company based near Oxford in the United Kingdom, established in 2009. The company is pursuing the global deployment of commercial fusion energy in the 2030s through the combined development of spherical tokamaks with high-temperature superconducting (HTS) magnets. It is also developing HTS magnet technology for other applications.
The Fusion Industry Association is a US-registered non-profit independent trade association for the international nuclear fusion industry. It is headquartered in Washington, D.C. It was founded in 2018 to advocate for policies to accelerate the arrival of fusion power. Its CEO is Andrew Holland, former Chief Operating Officer of the American Security Project. The Fusion Industry Association has 28 members and 35 affiliate members, including nuclear reactor designers, engineering firms, suppliers, academic institutions, and various professional services with business in the nuclear fusion industry such as research consultancies. The emergence of the Fusion Industry Association can be traced back to the 2013 publication of a white paper on fusion energy by the American Security Project.
The history of nuclear fusion began early in the 20th century as an inquiry into how stars powered themselves and expanded to incorporate a broad inquiry into the nature of matter and energy, as potential applications expanded to include warfare, energy production and rocket propulsion.
Zap Energy is an American privately held company that aims to commercialize fusion power through use of a sheared-flow-stabilized Z-pinch. The firm is based in Seattle Washington, with research facilities nearby in Everett and Mukilteo, Washington. The firm aims to scale their technology to maintain plasma stability at increasingly higher energy levels, with the goal of achieving scientific breakeven and eventual commercial profitability.
Thea Energy is an American fusion power company founded in 2022 after a spin-out from the Princeton Plasma Physics Laboratory (PPPL). Its original name was Princeton Stellarators, Inc (PSI). Thea Energy's approach to commercial fusion is based on the stellarator approach using a unique set of all-planar electromagnetic coils. This all-planar coil approach was developed by PPPL and licensed by Thea Energy.
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