The Connecticut Department of Energy-Hartford – Fuel Cell System is a 7,400kW energy storage project located in Hartford, Connecticut, US.

The electro-chemical battery energy storage project uses fuel cells as its storage technology. The project was announced in 2018.


The Connecticut Department of Energy-Hartford – Fuel Cell System is being developed by FuelCell Energy. The project is owned by Connecticut Department of Energy and Environmental Protection (100%).

The key applications of the project are on-site power and back up.

Contractors involved

Connecticut Department of Energy and Environmental Protection is the owner. FuelCell Energy is the developer. FuelCell Energy is the technology provider for the project.

FuelCell Energy is the system integrator.

Additional information

The project will provide clean baseload power, grid resiliency benefits and renewable energy credits to the Connecticut utilities under 20 year power purchase agreements.

About FuelCell Energy

FuelCell Energy Inc (FuelCell Energy) is an integrated fuel cell company. It offers solutions for the supply, recovery, and storage of energy. The company designs, manufactures, installs, operates, and maintains stationary fuel cell power plants. Under multi-year power purchase and service agreements, the company provides turn-key power generation solutions, including power plant designing, developing, installing, operating, and maintaining solutions. It serves utilities, universities, municipalities, government entities, and industrial and commercial enterprises in the US, South Korea, Germany, Spain, England, and Canada. The company has manufacturing facilities in the US, South Korea, and Germany. FuelCell Energy is headquartered in Danbury, Connecticut, the US.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.