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>160 MWh

In operation

>1000 MWh

In construction

>3000 MWh

Ready to build

>20 GWh

Mid-term pipeline

About S4 Energy

S4 Energy powers the grid with clean energy and are building our shared sustainable future. S4 Energy combines uncompromising stability with ambitious, forward-looking growth. We are expanding across Europe to provide a more resilient, sustainable energy systems and a clean infrastructure.

Our mission is straightforward but not simple: making renewable energy reliable, available, and accessible. For every hour of every day, both today and tomorrow.

How it works

Our Vision

The energy transition isn’t just about generating renewables;
it’s about delivering them when they matter most. We are producing more renewables energy than ever, but we cannot control when it is produced. 

S4 Energy meets that challenge by developing, building, and operating large-scale battery storage systems. This brings stability to the energy grid while reducing the times that we need to turn on our remaining fossil fuel power plants and therefore our CO2 emissions. 

We are building a flexible, decentralized and future-ready energy landscape, one where storage unlocks renewables’ full potential and support European energy independence and security.

S4 Energy Zeeland 9

Our Promise

We deliver with precision and purpose. S4 Energy takes complete owner-ship of every project, from initial concept through to grid connection, design, and to day-to-day operations. 

Our track record speaks for itself: safe, efficient, high-performing battery energy storage systems helping Europe accelerate toward a carbon-neutral future.

S4 Zeeland 2
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Depositphotos 314090824 XL

Muntendam

10 MW/47 MWh

S4 Energy develops, builds and operates large-scale battery storage systems that keep the grid moving. By storing renewable energy when supply is high and releasing it when demand peaks, we reduce grid congestion and ensure reliable access to clean power.
KWBW4665

Barton

45 MW/90 MWh

Once energised, Raby Farm BESS will support the UK’s net-zero target by storing and supplying renewable electricity equivalent to 22,750 households annually.
S4 Zeeland 1

Zeeland

10 MW/47 MWh

S4 Energy’s Battery Energy Storage System (BESS) in Zeeland marks a major milestone for the Dutch energy transition as the first 4-hour grid scale storage project in the country.

Renewable energy from wind and solar is not always produced when it is needed. This creates congestion on the electricity grid and wasted potential. By storing energy when supply is high and releasing it when demand is high, battery storage keeps the grid stable and ensures renewable power is always available.

Renewable energy from wind and solar is not always produced when it is needed. This creates congestion on the electricity grid and wasted potential. By storing energy when supply is high and releasing it when demand is high, battery storage keeps the grid stable and ensures renewable power is always available.

Renewable energy from wind and solar is not always produced when it is needed. This creates congestion on the electricity grid and wasted potential. By storing energy when supply is high and releasing it when demand is high, battery storage keeps the grid stable and ensures renewable power is always available.

Renewable energy from wind and solar is not always produced when it is needed. This creates congestion on the electricity grid and wasted potential. By storing energy when supply is high and releasing it when demand is high, battery storage keeps the grid stable and ensures renewable power is always available.

Our 4 guiding 
principles.

01

Responsibility

We take ownership from start to finish, ensuring every project is safe, efficient and built to last.

02

Reliability

We do what we say. We deliver on our commitments with integrity, transparency and diligence.

03

Expertise

We combine technical precision with real-world experience to create high performing, dependable energy systems.

S4

Future-Oriented

Pioneering Sustainable Energy for Europe. We are building the foundations of tomorrow’s energy systems, driving lasting progress toward a cleaner, more sustainable future.

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