Simplicity that scales to hundreds of megawatts

FCE Blocks are installed in rows, allowing sites to incrementally add output and redundancy over time.

12.5 MW FuelCell Energy Block Systems can deliver utility-scale power from a consolidated design and compact footprint. Megawatt-class modules are engineered to thrive in the high-output, high-reliability applications demanded by hyperscale and enterprise data centers. The combustion-free systems are designed for clean, quiet, and simple power generation that can grow with your demand.

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Need power fast for a project?  Evaluate your power needs.

Engineered for real-world data center applications

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Superior efficiency
Up to 80% combined heat and power efficiency when thermal energy is used to drive data center cooling.

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Stack life design
Seven year stack life design facilitates high performance and reduces replacement frequency.

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AI-native architecture
DC-native power output of carbonate fuel cells is ideal for data centers' rack-level architecture.

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Reliable power
Enhances energy resiliency by adding reliable and redundant on-site power right where it is needed. 

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Permitting velocity
The combustion-free operation of fuel cells can accelerate permitting and improve local air quality.

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Quiet operation
Generate multi-megawatt power without the loud combustion technology that disturbs communities.

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Compact design
Ideal for urban campuses or sites with limited space, the high-density design offers up to 33 MW per acre.

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Future-ready
Modular scalability that can be further decarbonized through carbon capture and hydrogen fuel blends.

American-built energy technology

Our carbonate fuel cell technology uses 90% U.S. suppliers and is proudly built in Connecticut to energize everywhere. 

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687 

new and replacement modules deployed around the world.

Since 2003

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10 +

years of system operation across multiple 20 MW sites.

As of March 2026

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90 %

U.S.-based suppliers used in carbonate fuel cell manufacturing.

3000 System - FY 2025

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18182251 

megawatt hours (MWh) have been generated by FuelCell Energy plants.

As of April 2026

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Community-friendly power

High power density, quiet operation, and minimal criteria air pollutants make fuel cells ideal for urban installations.

FuelCell Energy’s 1.4 MW Trinity College fuel cell system delivers safe, reliable, low‑emission power and thermal energy directly on campus in Hartford, Connecticut. The compact and quiet system blends into the urban campus setting behind fencing and often goes unnoticed by those who live and work in the surrounding community.

Proven large-scale experience

FuelCell Energy is the leading U.S. fuel cell manufacturer with demonstrated utility-scale platforms at
10 MW, 20 MW and 58.8 MW in operation for an average of 10 years.
Hover over a project below to learn more.
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    Yaphank Fuel Cell System - New York, USA
     
    FuelCell Energy’s Yaphank fuel cell system began commercial operation in January 2022 as a 7.4 MW installation on Long Island, New York. The site delivers clean baseload power to the grid 24/7—enough for roughly 7,500 homes—from a footprint barely larger than two tennis courts. Developed on a former landfill, it supports Brookhaven’s transition to a clean energy park and exemplifies resilient, low-emission power for the region.
     
    Location: Brookhaven, New York, USA
    Installation Year: 2022
    Total Megawatts: 7.4
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    Derby Fuel Cell System - Connecticut, USA
     
    FuelCell Energy inaugurated a 14‑megawatt fuel cell system in Derby, Connecticut—the second largest in North America. Featuring 10 fuel cell modules, the facility delivers Class I Renewable Energy under 20‑year agreements with Eversource and United Illuminating. Built in FuelCell Energy’s Torrington factory, the project boosts local tax revenue and supports Connecticut’s clean energy and “Make It Here” initiatives.
     
    Location: Derby, Connecticut, USA
    Installation Year: 2023
    Total Megawatts: 14
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    Bridgeport Fuel Cell System - Connecticut, USA
     
    FuelCell Energy’s Bridgeport Fuel Cell System was commissioned in 2013 as North America’s largest fuel cell facility at the time. The 15 MW site uses 3000 systems and an Organic Rankine Cycle turbine to deliver clean baseload power to the grid under a 15-year PPA. Built on a reclaimed brownfield, it powers ~15,000 homes and exemplifies scalable, low emission energy in the state of Connecticut.
     
    Location: Bridgeport, Connecticut, USA
    Installation Year: 2013
    Total Megawatts: 15
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    Noeul Green Energy (NGE) Fuel Cell System – Korea
     
    FuelCell Energy partnered with Noeul Green Energy to deploy a large‑scale utility fuel cell power system in Korea. The project includes carbonate fuel cell modules delivering 20 MW of clean baseload power and useful heat, supporting reliable, high‑efficiency combined heat and power generation for the regional energy network.
     
    Location: South Korea
    Installation Year: 2016
    Total Megawatts: 20
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    Korean Southern Power Company (KOSPO) Fuel Cell System - Korea
     
    FuelCell Energy partnered with Korean Southern Power Company to deploy a utility scale fuel cell power system in South Korea. The project delivers 20 MW of clean baseload power and useful heat, providing high efficiency combined heat and power for district energy applications while supporting Korea's long-term clean energy transition.
     
    Location: South Korea
    Installation Year: 2018
    Total Megawatts:     20
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    Gyeonggi Green Energy (GGE) Fuel Cell System - Korea
     
    FuelCell Energy partnered with Gyeonggi Green Energy to upgrade the world’s largest fuel cell power system at the Hwaseong Baran Industrial Complex. The project includes 42 carbonate fuel cell modules delivering 58.8 MW of clean baseload power and heat for thousands of homes, backed by a seven-year service agreement supporting Korea’s Hydrogen Economy Roadmap.

    Location: Hwaseong-si, South Korea
    Installation Year: 2013 (repowered in 2024)
    Total Megawatts: 58.8

White paper

Fuel cells: a faster, cleaner path to powering data centers

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On-demand webinar

Reducing PUE with carbonate fuel cells

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Want to power your data center with fuel cells?

Talk to one of our application experts.

FuelCell Energy’s team is here to support you every step of the way. We’ll work to learn the details of your operation and recommend the best configuration to meet your goals. Let us know how we can help.

FuelCell Energy Scales Up for Data Centers with Packaged 12.5 MW Utility‑Grade Power Block Solution and Manufacturing Expansion Plans Read More