Providing flexibility for the Belgian grid

Maintaining energy frequency and reliability

The Ruien Energy Storage project is Wärtsilä’s first in Belgium and one of the largest systems in the country to-date. The 25 MW / 100 MWh energy storage system helps the customer to regulate fluctuations and supply peak power with stored renewable energy in the grid. With improved reliability, the system also improves revenues.

Reliable and optimised electricity supply

The project utilises Wärtsilä’s Quantum energy storage system and sophisticated energy management software, the GEMS Digital Energy Platform. GEMS ensures optimal performance for the energy supply across a range of specified use-cases, including reserve power, frequency control response, capacity dispatch, and voltage support.

The system also has comprehensive system maintenance with performance guarantees across 15 years with Wärtsilä’s Service+ GAP solution.

Ruien Energy Storage is primarily designed and owned by Nippon Koei Energy Europe B.V. and Aquila Clean Energy, who developed the joint venture project.

Who	Nippon Koei Energy Europe B.V. & Aquila Clean Energy
What	25 MW / 100 MWh
Where	Kluisbergen, Belgium

This is what we achieved

MW of energy storage capacity

100

MWh of energy storage capacity

This project is notable for Wärtsilä as our first project in Belgium, and another important milestone on adding state-of-the-art flexibility to the power system. We see a major opportunity and paramount need to increase deployment of energy storage in Europe, allowing to harness the full benefit of intermittent renewable energy across the continent.

David Hebert, Vice President, Sales Management, Wärtsilä Energy Storage

How we did it

Challenge

Facilitate the Belgian federal government’s goal to phase out most nuclear generation by 2025
Maintain energy frequency and reliability
Regulate grid fluctuations for good interconnection and demand

Solution

Wärtsilä’s GEMS Digital Energy Platform ensures optimal performance for a range of specified use cases to maintain reliability of the electricity supply
Wärtsilä’s Quantum energy storage system provides modular flexibility and enhanced safety features
Wärtsilä’s Service+ GAP solution provides system maintenance with performance guarantees

Benefit

Improved grid reliability and reserve power
Optimised renewable energy generation
Improved revenues

Questions? Contact us

The main details

Customer	Nippon Koei Energy Europe B.V. & Aquila Clean Energy
Site size	25 MW / 100 MWh
Site location	Kluisbergen, Belgium
Application(s)	Renewables+
Scope of services	Engineered Equipment Delivery (EEQ), Service+ GAP
Delivery	2022

Nippon Ruien Kluisbergen, Belgium location

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Case study

Read the case study to get all the project details.

Energy storage

Learn about who we are and what we do: Wärtsilä Energy Storage.