Sales of battery storage units to residential households in Germany are booming, but it’s the value of services the batteries can provide, rather than the hardware itself that offers a long-term economic opportunity, a Siemens representative has said.

Already this year we’ve been able to learn directly about the energy storage market in Europe from the Energy Storage Summit in London at the end of February and Energy Storage Europe in Dusseldorf, which just took place last week. Andy Colthorpe summarises what he’s seen and heard.

While Germany is one of the world’s leaders in solar PV and now an early leader in residential energy storage, utility-scale energy storage is still “under discussion” and not yet a mature proposition, industry figures have said.