AEP plans a $4 billion fuel-cell power station for Google

A fuel cell does not have to arrive with a tank of hydrogen. The systems planned for Google’s computing expansion near Cheyenne, Wyoming, will use natural gas, turning its chemical energy into electricity through an electrochemical process.[1][4]

On 14 October, American Electric Power announced plans to invest approximately $4 billion in a 702-megawatt fuel-cell generation project, backed by a 20-year power purchase agreement with Google. Construction is planned to start in 2026, with full operation expected by the end of 2028.[1]

A ceramic route from gas to current

Bloom Energy, the equipment supplier, uses solid oxide fuel cells. Their defining component is a ceramic electrolyte: a material that carries charged particles through the cell while the electrochemical reaction produces an electrical current. The US Department of Energy explains that this family of cells operates at sufficiently high temperatures to reform fuels internally, allowing it to use natural gas or biogas.[2][3]

That temperature is part of the bargain. It permits a wider choice of fuels and removes the need for the expensive precious-metal catalysts used in some other fuel cells. It also makes start-up slower and places demanding requirements on materials. Those characteristics help explain the appeal for sustained stationary generation.[2]

One cell produces very little voltage. Cells are assembled into stacks, stacks into modules, and modules into a larger system. Bloom’s own description follows precisely that progression. Scaling the plant means deploying many repeatable generating units, together with the equipment needed to supply them with fuel and handle their output.[3][4]

The stack produces direct current. Power conditioning then adjusts the electricity to the voltage, frequency and current required by the application; an inverter converts it to alternating current where needed. A fuel-cell plant therefore still needs an electrical system around its chemistry.[3]

The carbon has somewhere to go

Using natural gas without combustion does not remove the carbon in the fuel. Reforming releases carbon dioxide, and Bloom’s annual report describes its natural-gas system as producing a relatively pure CO₂ stream that can be captured, further purified and used or stored. That makes carbon management a separate engineering task with a defined output to handle.[3][5]

AEP plans carbon capture at Cheyenne and describes near-zero-emissions power as the aim. Its announcement specifies neither a capture rate nor a storage destination. The emissions outcome will depend on the completed capture system.[1]

Three companies, different jobs

Google will buy the electricity from Cheyenne Fuel Cell LLC, owned by AEP and funds advised by Basalt Infrastructure Partners. Bloom supplies the generating technology.[1]

There are two large AEP figures in the project’s public history. Its 2025 annual report disclosed a January 2026 agreement to acquire about $2.65 billion of solid oxide fuel cells for a Cheyenne facility. The October announcement puts the planned investment in the generation project at approximately $4 billion. Equipment procurement and development of a working plant have different scopes; adding those figures would count the equipment twice.[6][1]

Google’s local power arrangements also extend beyond this supplier. Black Hills announced agreements effective 30 September to serve the planned data centre through 2048. Its role includes new company-owned natural-gas generation, grid-connected service and management of third-party resources through a private microgrid. Its disclosed plan includes coordinating dispatch and reliability across that portfolio.[7]

The computing project brings generation, electricity service and coordination together from different businesses. For the fuel-cell portion, the key engineering handover is now specific: turn repeated ceramic stacks into a functioning 702 MW plant, connect their output to the customer’s power system, and complete the promised carbon-capture arrangement.[1][7][3]

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