Google has signed the largest-ever corporate offtake agreement for fusion energy, committing to purchase 200 megawatts (MW) of electricity from Commonwealth Fusion Systems (CFS). The deal, which includes a second capital investment in the Massachusetts-based startup, marks a major corporate bet on a clean energy source that has not yet reached commercial viability.

The agreement covers future power generation from ARC, CFS's first commercial fusion plant, planned for Chesterfield, Virginia. The plant is expected to be operational in the early 2030s, though no fusion plant has yet achieved net energy gain -- producing more energy than it consumes.

Speaking to CNN, Michael Terrell, Google's Senior Director of Energy and Climate, said: "We're using this purchasing power that we have to send a demand signal to the market for fusion energy and hopefully move [the] technology forward."

CFS is currently assembling its demonstration plant, SPARC, in Devens, Massachusetts. SPARC uses a compact tokamak design with high-temperature superconducting magnets to confine ultra-hot plasma -- a promising approach to replicating the sun's fusion process on Earth. If successful, fusion could provide abundant, steady, carbon-free power without the radioactive waste of traditional nuclear energy.

Bob Mumgaard, CEO of CFS, described the deal as a major milestone: "It definitely puts [ARC] in a category where now we can start to work more and more on ARC while we finish SPARC."

For tech giants like Google, fusion represents a potential solution to the growing energy demands of data centers and AI infrastructure, offering firm clean power with no carbon emissions.

Source: blog.google, edition.cnn.com