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Germany’s Plug-in Solar Market Sees Record Growth with New Discounts

Mini-PV systems approach 870,000 registrations as advanced storage solutions and competitive pricing drive adoption.

Mit dem Strom aus dem Balkonkraftwerk die Kaffeemaschine versorgen? Noch immer halten sich viele Mythen rund um PV-Strom.
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Overview

  • Germany’s registered plug-in mini-PV systems have surged to nearly 870,000 units in early 2025, with expectations to surpass 1 million by mid-year.
  • The 2024 SolarPaket 1 reform, which raised inverter and module capacity limits, continues to facilitate widespread adoption of balcony solar systems.
  • Retailers like Netto, Solarway, and Solakon are offering steep discounts on storage-integrated systems, with entry-level kits starting under €240.
  • Battery storage options range from basic 2 kWh units to expandable systems up to 16 kWh, with prices as low as €197 per kWh for some models.
  • Despite advances in storage, mini-PV systems typically meet 25–90% of household electricity needs, with full energy independence requiring costly seasonal storage solutions.