Primary Power
Building Power

Some larger stationary fuel cells generate electricity 24/7
to supply power to commercial, industrial, and institutional sites.

Distributed generation
Combined heat and power
Hydrogen energy stations
Advanced fuel cell-gas turbine hybrids

FuelCell Energy, Inc.

HydroGen LLC

Siemens Power Generation, Inc.

Primary Power
Renewable 24/7 Power

Some larger stationary fuel cells generate electricity 24/7
to supply power operating off of renewable fuels.

Distributed generation
Combined heat and power
Hydrogen energy stations
Advanced FC/Gas Turbine Hybrids

FuelCell Energy, Inc.

HydroGen LLC

Siemens Power Generation, Inc.

Primary Power
Utility Grid Support

Some larger stationary fuel cells generate sufficient electricity 24/7 to directly augment utility grid supply.

Transmission Integrated Generation Energy Resource (TIGER) stations

FuelCell Energy, Inc.

HydroGen LLC

Siemens Power Generation, Inc.

Primary Power
Dedicated Circuits

Some smaller stationary fuel cells generate electricity 24/7
to supply power to critical loads.

Server circuits and farms

Altergy Systems

Plug Power Inc.

Backup Power

Some smaller stationary fuel cells are used to provide backup power in remote locations and on-site to businesses that depend on
an uninterruptible supply
of electrical power.

Grid-sensitive applications
Small commercial
Telecommunications
Banking
Data management

Altergy Systems

Ballard Power Systems Inc.

Hydrogenics Corporation

Plug Power Inc.

Peak Shaving

Some smaller stationary fuel cells, serving in a backup mode, could be dispatched by the utility to shave peak power demand.

Altergy Systems

Hydrogenics Corporation

Plug Power Inc.

Auxiliary Power

Some small stationary fuel cells can be used to provide electrical energy for hoteling functions
 on vehicles.

Ballard Power Systems Inc.

Hydrogenics Corporation