Development, construction and operation from one team.
Why storage
Large-scale battery storage makes renewable energy dependable. Three reasons why it is indispensable.
Battery storage is the backbone of renewable energy. Without it, the energy transition remains just a vision.
Battery storage absorbs surplus renewable energy when demand is low and makes it available when it is needed. Local energy production is used optimally, grid bottlenecks are reduced and supply is secured for the long term.
As renewables expand, price volatility on the electricity market increases. Storage enables intelligent control: store energy when it is cheap, release it when prices peak. That creates a stable cost structure and protects against price spikes.
Unpredictable fluctuations in the grid can cause blackouts or power dips. Battery storage reacts within milliseconds and reliably balances fluctuations. That keeps the power supply secure and stable, even in times of crisis.
What storage delivers
Generation from sun and wind rarely runs in step with demand. A battery storage system evens this out: it shifts energy from hours of surplus into hours of need. That stabilises the grid and generates predictable revenue at the same time.
Around midday, solar and wind often produce more power than the grid can absorb. The battery takes in this surplus instead of letting it go to waste.
The energy waits in the battery with minimal losses and is ready within milliseconds whenever the grid needs it.
When demand rises in the evening, the battery feeds the energy back into the grid. That relieves power lines and replaces expensive peak-load plants.
Economically, the park sustains itself through exactly this balancing: revenue comes from the price difference between surplus and demand hours, and from balancing services that keep the grid stable second by second.
Why Southside
Three reasons why a project becomes reality with Southside Battery.
From securing the site through planning and permitting to turnkey handover: one continuous chain of responsibility, one point of contact. No interface risk.
Our experts have taken battery storage projects from first sketch to commissioning. Experience you don't buy. You bring it with you.
A solid capital base and strong partners mean your project does not hinge on market or financing risk. What we commit to, we deliver.
We don't just build storage. We lay the foundation for an energy future that is independent, resilient and economical.
The park comes alive. Energy flows: stored when there is plenty, released when it is needed. That is how a battery park strengthens the grid and the region.
What we deliver
Our services range from project development to operation, as modules or as a complete package. Scroll through the model and watch a site become a battery park.
What it means for you
The people behind it
Years of experience in energy, project development and financing, from the first idea to daily operation.
Constantin Eis
Co-Founder & Advisory Board
Nikolaus von Bismarck
Managing Director
Onno Caspian Oehne
Head of Operations & Finance
Thea Maria Rath
Head of Project Development
Marko Röber
Head of Grid & Engineering
Julian Lüthe
Head of Acquisition
Johannes Steinmetz
Controlling & Asset Management
Malte Weidner
Acquisition & IT
Press
Selected articles about our work. News lands on LinkedIn first.
Build with us
An innovative, dynamic and professional environment with prospects, in the heart of Hamburg.
The next step
Farmland, grassland or a conversion site close to the grid: we assess your site free of charge and without obligation. Usually the plot number and district are enough, and you will hear from us promptly.
