Geothermal company Fervo Energy began delivering electricity from its Cape Station facility to the grid on September 30, a day before the scheduled deadline, according to an announcement Thursday. The milestone marks the first time an enhanced geothermal company has reached commercial operations, completing construction in just 23 months from breaking ground to selling power. The initial block brought online represents one-third of what will become a 100-megawatt facility, with the full site holding potential to produce as much as 4 gigawatts of electricity.

The facility synchronized with the electrical grid roughly one week before it started commercial operations, bringing the opening third of the plant into service. Fervo plans to cut construction time to as little as 18 months for subsequent blocks as the company refines its development process. Google, Southern California Edison, and other buyers have already agreed to purchase electricity from the Cape Station project. The company went public in May through an IPO that brought in $1.9 billion, exceeding initial expectations. Prior to going public, Fervo had secured more than $1.3 billion from investors including Breakthrough Energy Ventures, Congruent Ventures, and Capricorn Investment Group.

"No team has ever built a project like this anywhere in the world, and we did it ahead of schedule," Fervo co-founder and CEO Tim Latimer said in a statement. The company is among several firms developing enhanced geothermal facilities, which drill far deeper than conventional geothermal plants to tap into hotter rock formations that expand the range of viable development sites. Fervo was established in 2017 and has adapted drilling methods and equipment from the oil and gas industry to create new geothermal energy sources.

The rapid construction timeline should attract data center operators searching for generating capacity, according to the announcement, as these facilities face severe power shortages across the sector. Geothermal projects can be built in stages, mirroring the phased approach data centers use when adding server racks, which lets large technology companies scale up electricity supply in sync with rising demand. Unlike traditional geothermal power that relies on heat sources near the surface, enhanced geothermal technology accesses deeper underground rock where temperatures run higher, opening up far more locations for development. The staged rollout model positions geothermal as a flexible option for hyperscalers managing both infrastructure growth and energy needs simultaneously. Pairing construction speed with modular expansion could reshape how large-scale operators secure reliable power for facilities that can't afford extended lead times or fixed capacity constraints.