Wärtsilä for island grids. Not several days ago, on 20 February, the Graciosa Hybrid Renewable Power Plant was inaugurated in the Azores, a Portuguese group of islands in the middle of the Atlantic Ocean. The order for the Portuguese company Graciólica was announced in January 2018 and the purpose of the whole project, namely the island grid, is to reduce diesel fuel consumption and maximise renewable energy for the over 4,000 island inhabitants. In fact, the use of renewables will be increased from 15% to 65% with Wärtsilä’s new technology solution.

Wärtsilä for island grids
Graciosa Hybrid Renewable Power Plant

WÄRSTILÄ for island grids monitoring

Energy storage is needed to overcome the intermittency of renewable sources, manage the frequency and quality of the supplied power, and provide backup energy to meet spikes in demand. The power plant includes an energy storage system that enables a more resilient and sustainable power system as critical grid asset.


The entire island’s energy management is monitored, integrated and optimised by Wärtsilä’s GEMS, an advanced energy management software system based on artificial intelligence and machine learning technology to optimise multiple energy generation assets based on load patterns and weather forecasting. GEMS’s computing technology and logic also accommodates the island’s renewable intermittent sources such as solar and wind.

Another important order by Pivot Power in the UK

Looking at the future, the topic ‘Wärtsilä for the island grids’ concerns also an other order, placed by Pivot Power, an EDF Renewables company specializing in battery storage and infrastructure for electric vehicle charging, to deliver 100 MW of energy storage in the UK.


Pivot Power is developing a world-first national network of grid-scale batteries and high-volume power connections to provide essential capacity for rapid electric vehicle (EV) charging. The first two projects at Cowley in Oxford and Kemsley in Kent are expected to be fully operational before the end of this year.

Wärtsilä for island grids


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