The Wartsila -Roatan Island Battery Energy Storage System is a 10,000kW energy storage project located in Island of Roatan, Bay Islands, Honduras. The rated storage capacity of the project is 26,000kWh.

The project was announced in 2020 and will be commissioned in 2021.


The Wartsila-Roatan Island Battery Energy Storage System is owned by Roatan Electric (100%).

The key applications of the project are electric supply reserve capacity – spinning and grid supportive services.

Contractors involved

Roatan Electric is the owner. Wartsila is the technology provider for the project.

Additional information

The storage system will provide virtual spinning reserve capacity needed to maintain stability of the grid – particularly important for the energy security of an island. The solution will be delivered on a fast-track basis and is expected to be operational before the end of 2020.


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