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Our PROJECTS
Almelo (10MW)

Expanding to a 4-hour storage capacity to enhance grid stability

Barton (45MW)

S4’s Barton BESS project near Preston is under construction.

Burhafe (15MW)

S4’s first German BESS project, Burhafe, is now under construction.

Groningen (7.75 MW)

S4 Energy site in Groningen is now operational with a 7.5MW connection

Heerhugowaard (10MW)

Expanding to a 4-hour storage capacity to enhance grid stability

Musselkanaal (500 MW)

Permit awarded in February 2025, connection expected in 2027

Wormerland (150 MW)

S4 Energy is currently developing a battery park in Wormerland.

Zeeland (10MW)

First operational 4-hour BESS in the Netherlands, Zeeland

Testimonials

What our partners say

When I wanted to make my business more sustainable and was looking for a way to heat my greenhouses without CO2 emissions, I made the choice to partner with S4 Energy. In S4 Energy, I found the team to develop the plan from concept to reality. S4 Energy has completely taken care of everything for me, and soon there will be an energy storage installation here that helps reduce grid congestion and heats my greenhouses!

Kees Hoogendoorn
Owner, Tuinderij Hoogendoorn

As an energy producer and supplier, we understand the importance of having flexibility in the electric grid, especially in today's context. The importance is only set to increase in the future. We trade the capacity of S4 Energy's current energy storage systems, which has bolstered our portfolio with a substantial share of flexible capacity.

Fredrik Troost
Senior Structurer, Eneco Energy Trade