From the world’s largest storage power plant to GESI
Our co-founder Martin Schoeller is the great-grandson of the electrical pioneer Oskar von Miller, who founded the Deutsches Museum – and was already promoting the idea of affordable electricity for everyone back then. When the Deutsches Museum in Munich opened its doors a hundred years ago in May 1925, it was mainly thanks to one […]
Wind power tuning with large central batteries
For a successful energy transition, we need to focus not only on quantitative but also qualitative growth targets – and expand storage capacities in order to fully exploit the potential of wind turbines. It is probably the greatest risk to the acceptance of the energy transition: Time and again, wind turbines stand still despite stiff […]
How large-scale batteries support the power grid
Storage facts series (IV) | Critics question whether battery storage systems are useful for the grid and system. Why they are wrong. A constant frequency is of paramount importance for the stability of the electricity grid. However, with the expansion of wind and solar energy, there are strong fluctuations: On sunny and windy days, there […]
GESI project presented in Grohnde
One of Germany’s largest energy storage facilities is being built near the decommissioned Grohnde nuclear power plant. On March 1, we presented our plans to interested citizens. Pullach, March 2025: The municipality of Emmerthal near Hamelin in Lower Saxony is becoming a pioneer in the integration of renewable energies into the electricity grid: We will […]
The key to a successful energy transition
The new German government and the Federal Network Agency should pave the way for large-scale batteries instead of erecting new hurdles and making private sector initiatives more difficult. From GESI CEO Walter Raizner +++ This article was first published in the FAZ +++ The year got off to a promising start in terms of the […]
“Battery tsunami” or micro-wave?
Memory facts series (III) | There has been repeated talk in the media recently of a “boom” in large batteries. However, there is still a huge gap between supply and demand. “A battery tsunami is rolling in”, was the recent headline in “Der Spiegel”. A “second German energy miracle” is currently in the offing, which […]
How climate-friendly are storage projects?
Storage facts series (II) | Large-scale batteries significantly reduce GermanCO2 emissions. How high the savings actually are depends on the assumptions and calculation method. If you want to calculate the effect of large-scale battery storage systems on the climate, you have to deal intensively with technical details, make numerous assumptions and take complex interactions into […]
Public information event on new GESI project
Large-scale battery storage planned in Bergrheinfeld near Schweinfurt – constructive exchange with interested citizens Pullach, December 17. The planned construction of a battery energy storage system (BESS) in Bergrheinfeld will make the region a pioneer in the integration of renewable energies. The project is intended to help balance out fluctuations in the electricity grid, reduce […]
How large-scale batteries reduce the price of electricity
Storage facts series (I) | An analysis by the Fraunhofer Institute for Solar Energy Systems for GESI underlines: Storage systems are a decisive lever for an affordable energy transition. Large-scale batteries can significantly reduce electricity prices and thus make an important contribution to strengthening Germany as a business location and the competitiveness of our economy. […]
Schoeller Group opens “House of Circularity”
We have moved and are now working under one roof with the Schoeller Ventures companies Multiloop, ReDi Pack and Smart Container Loop. Shared drive, shared location: On September 30, we opened the “House of Circularity” in Pullach together with three Schoeller Group companies. Speakers included Martin Schoeller and our COO Jens Wegmann, who explained why […]