Cutting down on copper
Controllable, distributed battery storage systems can help avoid bottlenecks in power distribution networks. That reduces the cost of grid expansion, but to turn this use of storage systems into a business model, a number of conditions still have to be met.
A garage-sized concrete box, located to the west of Kempten in Southern Germany looks like an ordinary local grid transformer station. Behind the metal door, however, there is neither a transformer nor switchgear, but rather 30 lithium-ion battery packs stacked on a black wall. It is one of five battery storage systems currently installed in …
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