As a major German and European solar park developer, Enerparc has already successfully connected a portfolio of more than 600 solar plants with an output of over 4,100 megawatts to the grid – 3,000 megawatts of which are from its own solar power plants which are to expanded to 10 gigawatts by 2030. Now follows another milestone in the company's history: The first large-scale battery storage system.
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The battery installed in the 35-megawatt Büttel solar park has a capacity of 8 megawatt-hours and can be charged and discharged with over 12 megawatts. The battery system itself is installed in six 40-foot containers and is one of the largest batteries installed in combination with a ground-mounted solar plant in Germany. The capacity of the battery thus corresponds roughly to the same consumption that a family of four would need over two years.
Peak-shaving helps to reduce strain on the grid
The advantage of a large-scale storage battery is that it can absorb yield peaks at midday and release them in the late evening or early morning hours. In this way, it enables a more even feed-in throughout the day and thus helps to relieve the strain on the grid. However, this is not only an interesting aspect for grid operators, but also for large-scale industries and other power purchase agreement customers.
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For example, ENERPARC already reported on a power purchase agreement (PPA) concluded for this hybrid plant in Büttel in April 2022. The PPA was concluded with Axpo Germany and includes a baseload band to the buyer. Enerparc's trading subsidiary Sunnic Lighthouse GmbH is responsible for structuring the volatile feed-in. (mfo)
