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Fraunhofer researching micro smart grid

Researchers at the Fraunhofer Institute Center are incorporating a mix of renewables into the design of a smart grid for Germany’s largest charging station, where the network of charging stations for electric vehicles (EV) is becoming more tightly meshed.

Up to 30 electric vehicles at a time can recharge in Fraunhofer IAO’s parking garage. Credit: Victor S. Brigola/Fraunhofer IAO

In Germany, the ratio of electric cars to charging stations is two-to-one, and utility companies are expanding charging opportunities in cities and metro areas. The country’s largest charging infrastructure is at the Fraunhofer Institute Center Stuttgart IZS, where up to 340 kW of electricity are consumed when all charging spots are occupied — equivalent to around 20 percent of the load of the entire Institute Center, which has a staff of 1,500.

“Charging an electric vehicle fleet poses high requirements on the energy system. Setting up an EV charging infrastructure of this kind is impossible without smart charging and load management,” said Ing Hannes Rose, head of the Mobility Innovation Lab at the Fraunhofer Institute for Industrial Engineering IAO.

Read more: Fraunhofer researching micro smart grid – FierceSmartGrid
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