ESS to increase reliability, lower cost of energy on Caribbean island Bonaire

January 28, 2019
LinkedIn
Twitter
Reddit
Facebook
Email
The island already has 11MW of wind turbines, with ambitions to deploy more solar PV and to end much of the curtailment of renewable generators using the new energy storage system. Image: ContourGlobal.

A 6MW / 6MWh containerised energy storage system will help provide power to all 19,000 inhabitants of a tiny Caribbean island, installed by Wärtsilä and its recently-acquired energy storage system integrator subsidiary Greensmith.

The project is being executed on the island of Bonaire, a Dutch Antilles territory off the coast of Venezuela. Local power generation company ContourGlobal Bonaire, itself a subsidiary of London-based power generator ContourGlobal, contracted Wärtsilä to carry out the work after several apparently successful years of the two parent companies working together in various market segments in other regions of the world.

Expected for completion in April this year, the project will pair the new advanced battery energy storage system with the island’s generation and distributed energy resources. A Wärtsilä-Greensmith representative told Energy-Storage.news that this will include, but not be limited to, existing equipment.

These are: 11MW of wind generation, 14MW of diesel engines, 3MW of backup thermal generation and an existing 3MW battery system. The latter is only used to provide backup in the event of outages and other issues. Wärtsilä-Greensmith has been handed an EPC (engineering, procurement and construction) contract that includes hardware (batteries, inverters) as well as energy management software.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

The representative said that the project will increase the island’s ability to use renewable energy even without new investment in generation as some of the output of existing assets requires curtailment at present and that surplus is not being used. The project will also aid the reliability and security of supply of energy to the island.

“This is the important first step in enabling Bonaire to significantly increase renewable penetration and positions the grid to integrate solar as the Island of Bonaire looks to develop,” the representative said.

Greensmith CEO John Jung – and others – have repeatedly talked up the growing importance of software, not only in controlling and managing standalone energy storage projects but also in coordinating complete microgrid systems and distributed and smart grids. The Bonaire project will utilise GEMS, Greensmith Energy’s proprietary software platform, for control and dispatch.

“Wärtsilä was the best choice to realise integrated and optimised multiple generation assets. Their advanced energy storage and software platform will increase ContourGlobal’s wind power production and solar generation energy in Bonaire,” ContourGlobal chief operating officer Giorgio Narminio said.

It’s the latest in a line of projects designed to wean island territories off dependence on imported fossil fuels using a combination of energy storage and renewable generation. Several years ago the International Renewable Energy Agency (IRENA) identified that due to the cost of importing fuel and rising energy demand, many island territories around the world could economically deploy such distributed energy solutions despite high initial capital expenditure requirements.

The island’s energy system was a 24MW combined wind energy and diesel engine (pictured) power plant when ContourGlobal Bonaire purchased it in 2013. Image: ContourGlobal.

Read Next

December 12, 2025
Utility Origin Energy has hired Wärtsilä to expand its battery storage installation at the Eraring coal power plant site in New South Wales, Australia.
Premium
December 11, 2025
Energy-Storage.news Premium speaks with John Farrell, Co-Director of The Institute for Local Self-Reliance (ILSR), on rising utility costs and the role energy storage can play.
December 10, 2025
AFC and public-private-partnership (PPP) Cabeolica have inaugurated 13.5MW of wind power generation and 26MWh of battery storage in Cape Verde.
December 8, 2025
The first of 46 solar minigrids planned in Angola has been inaugurated by João Baptista Borges, the African country’s Minister of Energy and Water.
December 5, 2025
Developer BrightNight and independent power producer (IPP) Cordelio Power have announced financial close of the 200MW/800MWh Greenwater battery energy storage system (BESS) in Washington state, US.