Author
Sandra Enkhardt
Sandra is News Director of pv magazine Deutschland. She has been reporting on solar since 2008.
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Articles written by Sandra Enkhardt
Green Flexibility commissions grid-neutral battery storage project in Germany
The 15 MW/33 MWh storage facility in Immenstadt is the largest of its kind in Bavaria. 'Grid-neutral' operation of the battery has been agreed with the network operator Allgäu Netz to avoid placing additional strain on the regional electricity distribution system.
German innovation tender four times oversubscribed, 29 PV+BESS projects awarded
The German Federal Network Agency (Bundesnetzagentur) received bids totaling over 2 GW in its latest innovation tender, which is open to renewable energy projects incorporating storage systems, among others. The awarded tariffs for combined photovoltaic and storage projects ranged from €0.0500 to €0.0639 per kWh.
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Sonnen: Intelligent battery charging vital for home solar arrays
The ever-increasing number of negative electricity price hours is affecting owners of solar arrays. This year, the shortfall in payments from the Renewable Energy Sources Act (EEG) could rise to around €250 ($294), affecting 40% of annual revenue, according to a projection by storage company Sonnen.
German batteries stabilizing solar energy prices at expense of own profitability
Analyst THEMA Consulting Group has calculated the impact of rapid expansion of battery storage systems in Germany and found they will help stabilize solar prices by reducing the number of negatively-priced-electricity hours – but will cannibalize their own revenue in doing so.
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Analysis recommends dynamic energy pricing for network charges on battery storage in Germany
The Federal Network Agency is currently developing a new grid fee framework, with several design options for battery storage systems under consideration. Eco Stor has engaged the consultancy Neon Neue Energieökonomie to review and evaluate these proposals. While the most grid-friendly option for large-scale storage systems appears to have limited political viability, the second-best alternative still presents meaningful benefits for both grid stability and storage operators.
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