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Mercedes Benz turns coal-fired power station into battery storage plant

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Daimler and its subsidiary Mercedes-Benz Energy has transformed a former coal-fired power station into a large battery storage plant made of battery modules from electric cars. A total of 1,920 battery modules have been bundled in a plant in Elverlingsen in South Westphalia, Germany.
With installed power output of 8.96 MW and energy capacity of 9.8 MWh, the battery storage plant will be available to the energy market.
(Image via Daimler).

With installed power output of 8.96 MW and energy capacity of 9.8 MWh, the battery storage plant is available to the energy market, for example for supplying primary balancing power. Its modular design enables the system to continuously and fully automatically stabilise the power grid with balancing power.

Not only will the 1,920 batteries help to support the grid, but will also be available as ‘live replacement parts’ for Mercedes’ third generation electric smart cars.

For batteries to be stored effectively, that must be ‘actively’ stored. In other words, to be usable as a replacement, a battery needs regular cycling during the storage period- deliberate, battery-conserving charging and discharging. This prevents exhaustive discharge which can lead to batter defect. As Daimler put it, this new plant will function as a ‘live replacement parts store’, so that fully functional electric car batteries can be available as and when they are required.
The plant will act as a 'live replacement parts store' for Mercedes' third generation electric smart cars.
(Image via Daimler).

Commenting on this, a Daimler spokesperson said:

“The ‘live replacement parts store’ based on electric car battery systems was constructed in Elverlingsen on the site of the former coal-fired power station that was built in 1912 and recently shut down. The large storage plant is therefore a symbol for the transformation in the storage and use of energy- away from fossil electricity grid supply and towards a sustainable extension of the e-mobility value chain that reduces CO2. With the replacement part storage concept, The Mobility House AG, GETEC ENERGIE AG, and Daimler with its subsidiaries Accumotive and Mercedes-Benz Energy are creating a new kind of win-win situation and supporting the progress of the energy turnaround.”

The Elverlingsen plant is one of three large storage plants made of car battery systems to be joining the grid in Gemany. Daimler, with its partners, has already opened the 12.8 MWh 2nd life battery storage plant in Lunen in 2016 and will soon be opening a 17.4 MWh replacement part storage facility in Hanover.

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Mercedes Benz turns coal-fired power station into battery storage plant - Time to read 2 min
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