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Fervo Energy has begun producing and selling electricity from the first 33-megawatt unit at its Cape Station project in Utah. The company says it is the first next-generation geothermal facility worldwide to send power to the grid at utility scale; costs, further construction and the technology’s broader effects remain key questions.
Fervo Energy has started sending electricity to the grid from a 33-megawatt unit at its Cape Station project in Utah, marking what the company and report describe as the first utility-scale power from a next-generation geothermal facility worldwide. The unit is due to begin commercial operations on Thursday, supplying carbon-free electricity to Shell Energy, a California retail power provider.
The Houston-based geothermal company turned on the initial unit late last week and has been testing and ramping up output, according to the report. Cape Station is designed to reach 500 megawatts in total. Fervo uses drilling methods adapted from the oil and gas industry to create underground reservoirs in hot, dry rock, rather than relying on naturally occurring hot water and steam as conventional geothermal plants do.
Fervo says it is working to commission two additional 33-MW power blocks by Jan. 1, 2027. The project’s remaining 400 MW is under construction and, according to the report, is supported by a new agreement with Google and scheduled to come online in 2028. Fervo has not disclosed the terms of its power purchase agreements for projects in progress or planned, which the company says represent about 1,000 MW in total.
The company previously told Canary Media that Cape Station’s first phase is expected to cost $7,000 per kilowatt, with the second phase at $5,500 per kW. The report compared those figures with an average 2025 construction cost of $2,157 per kW for a natural gas-fired power plant. The figures describe different types of facilities and do not establish a direct comparison of their total costs or output value.
A Test of Geothermal at Grid Scale
The first unit’s grid output moves Fervo’s approach beyond its smaller pilot and into a commercial project intended to serve a wider electricity market. The company’s 3.5-MW Project Red pilot in Nevada began operating in late 2023; Fervo senior vice president Dawn Owens said that project demonstrated the technology, while Cape Station tests whether it can work at utility scale.
Geothermal supplied 0.4% of U.S. electricity generation, according to the report. A larger role could add electricity that is available regardless of weather, and researchers say next-generation plants may also be able to shift output to higher-demand periods, such as evenings when solar generation falls. Whether flexible operation will prove economic at Cape Station is not established by the initial power milestone.
Reliable, around-the-clock or dispatchable electricity has drawn interest as data-center demand grows and grids add more wind and solar. Fervo executive Owens also said geothermal plants could potentially be built behind the meter to supply data centers directly. That is a proposed use, not a confirmed operating arrangement at Cape Station.
From Nevada Pilot to Utah Project
Conventional geothermal plants generally draw on naturally occurring underground hot water or steam, which limits development to places with suitable resources. Fervo’s method aims to create usable reservoirs in hot rock, potentially opening development in more locations. Owens said traditional geothermal would not have been developed in southern Utah.
Fervo already operates its Nevada pilot and went public in May, according to the report. The company is among developers pursuing next-generation geothermal systems, which have attracted billions of dollars in private investment in recent years. Cape Station is a larger commercial test of that approach, although one operating unit does not establish that the method can be replicated economically across other sites.
The Mountain West Geothermal Consortium, a bipartisan initiative, is calling for more public and private financing to bring projects online. Its grid lead, Mitchell Smith, said Fervo’s first power achievement could show investors the scale of the opportunity across developers and sites. The consortium also calls for projects to proceed responsibly and at the speed of demand.
““Traditional geothermal would have never been done in southern Utah.””
— Dawn Owens, Fervo Energy senior vice president and head of development and commercial markets
Costs and Wider Impacts Remain Open
The start of power production does not show whether Cape Station’s later phases will meet their planned schedules or whether the project’s costs can fall enough to support broader adoption. Fervo has not disclosed the terms of its power agreements, and the report does not provide final operating costs or detailed output data for the initial unit.
High upfront drilling costs and economic and regulatory barriers remain obstacles for the sector. The report also says developers will need to limit potential effects on communities and the environment, but it does not provide site-specific impact findings for Cape Station. The project’s performance across a full operating period, including any flexible delivery to match demand, remains to be seen.
Cape Station’s Next Power Blocks
Fervo says it is working to commission two more 33-MW blocks by Jan. 1, 2027, while construction continues on the remaining 400 MW, which is scheduled to come online in 2028. The first near-term marker is the start of commercial operations for the initial unit and its planned supply to Shell Energy on Thursday. Actual delivery levels and subsequent construction milestones will show how quickly Cape Station can expand from its initial output.
Investors, utilities and regulators will also be watching project costs, drilling progress and how any environmental and community concerns are addressed. The available report does not specify when Fervo will publish further cost or performance details.
Key Questions
What has Fervo started operating?
Fervo has turned on an initial 33-MW unit at Cape Station in Utah and has been testing and ramping up its output before commercial operations begin.
Why is Cape Station being described as a global first?
The report describes it as the first time a utility-scale, next-generation geothermal facility has produced power for the grid worldwide. Fervo previously operated a smaller 3.5-MW pilot in Nevada.
Who is expected to receive the electricity?
Fervo is scheduled to supply the initial unit’s electricity to Shell Energy, a retail power provider in California. The report does not disclose the contract terms.
How large could Cape Station become?
The project is planned to reach 500 MW. Fervo says it is working to commission two additional 33-MW blocks by Jan. 1, 2027; the remaining 400 MW is under construction and slated for 2028.
What could limit wider use of next-generation geothermal?
The report identifies high upfront drilling costs, economic and regulatory barriers, and the need to limit impacts on communities and the environment. Cape Station’s initial output does not resolve those challenges.
Source: rss
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