Fraunhofer study: grid-attached batteries could unlock 150 GW of solar capacity in Germany
Battery storage at substations could enable existing German power grids to absorb far more solar energy without new infrastructure.
What to know
- A Fraunhofer study found that battery storage at 1,313 substations could unlock 150 GW of additional solar capacity on Germany's existing power grids without major infrastructure expansion.
- By storing solar power during peak generation and releasing it during peak demand, intelligent batteries can resolve grid bottlenecks that currently limit renewable energy integration.
- Germany needs to add roughly 20 GW of solar capacity per year through 2030 to meet its legally mandated target of 215 GW; the study suggests existing grids have far more room than previously thought.
Fraunhofer Institute for Energy Economics and Energy System Technology (IEE) Research institutionBundesverband Solarwirtschaft (BSW) German Solar Industry AssociationCarsten Körnig BSW CEO
How it unfolded 2 developments, newest first · click a bar or a number to jump posts
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Study findings amplified across solar industry networks
The study's core insight—that strategically placed batteries at peak solar generation times can resolve grid bottlenecks—gained circulation within the renewable energy community, with emphasis on how storage could enable continued solar expansion without constraining growth.
“Wenn Speicher dort laden, wo und wann Solarstromspitzen auftreten, können sie Netzengpässe gezielt entschärfen und zusätzlichen Solarstrom ermöglichen.”
— ewsschoenau.bsky.social -
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Laut neuer Fraunhofer-Studie könnten #Batteriespeicher an Umspannwerken Deutschlands Stromnetze für bis zu 150 GW zusätzliche Solarenergie öffnen: „Wenn Speicher dort laden, wo und wann Solarstromspitzen auftreten, können sie Netzengpässe gezielt entschärfen und zusätzlichen Solarstrom ermöglichen.“
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Fraunhofer study finds 150 GW untapped solar capacity in existing German grids
The Fraunhofer Institute for Energy Economics and Energy System Technology (IEE) released a study commissioned by the German Solar Industry Association (BSW) showing that intelligent battery storage at substations could enable existing power infrastructure to absorb 150 additional gigawatts of solar capacity without requiring major new grid expansion.
“In den bestehenden Netzen stecken erhebliche Reserven, wenn wir Speicher intelligent einsetzen.”
— Carsten Körnig, BSW-Hauptgeschäftsführer -
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Batteriespeicher an Umspannwerken könnten deutlich mehr Solarstrom ins bereits bestehende Stromnetz bringen. Eine Fraunhofer-Studie im Auftrag des Bundesverbands Solarwirtschaft zeigt ein zusätzliches Potenzial von bis zu 150 Gigawatt Photovoltaikleistung auf.
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