Discover how the fuel cell technology market deploys solid oxide (SOFC) and molten carbonate (MCFC) systems for utility-scale and onsite power, providing clean, reliable baseload and backup electricity.

A natural gas power plant burns fuel to make heat, then turns a turbine to make electricity—a two-step process with efficiency limited by the Carnot cycle. The fuel cell technology market offers an alternative: direct electrochemical conversion, which can achieve higher electrical efficiency, even at small scale. A solid oxide fuel cell (SOFC) system operating at a high temperature can achieve electrical efficiency well above typical levels, and in combined heat and power (CHP) mode, overall efficiency can be even higher. For a hospital or data center, a fuel cell provides primary power with high reliability, and the waste heat can be used for space heating or hot water. For a utility, a large MCFC plant can be sited near a substation, reducing transmission losses and providing grid support. For a microgrid, a fuel cell running on biogas provides dispatchable renewable power.

The fuel cell technology market offers systems in a wide range of sizes. The fuel cell technology market includes residential units that fit in a basement (a few kilowatts), commercial units the size of a shipping container (hundreds of kilowatts), and utility-scale installations (megawatts). For a residential customer, a fuel cell running on natural gas (reformed to hydrogen) provides electricity and heat, reducing grid dependence and lowering carbon footprint. For a commercial building, a fuel cell can be the primary source of power, with the grid as backup. For a utility, a fuel cell plant can be dispatched to follow load, with faster ramp rates than a combined-cycle gas turbine. For a remote community, a fuel cell with a hydrogen storage tank can provide weeks of electricity without fuel delivery.

Connecting the fuel cell technology market with the proton exchange membrane fuel cell market shows the different roles. The proton exchange membrane fuel cell market focuses on lower-temperature PEMFC systems, which are excellent for backup power (fast start, modular) but have lower electrical efficiency than SOFC. For a data center, a PEMFC system can start in seconds and provide power for hours. For a warehouse, a PEMFC system can charge forklift batteries. For a utility seeking baseload efficiency, SOFC or MCFC is a better fit. As the grid becomes more renewable and less stable, the demand for dispatchable, efficient fuel cell power will grow. The fuel cell technology market will provide the platforms to generate clean power around the clock.

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