Business · Updated 23 Oct, 03:37 am IST
sonnen GmbH files for insolvency while sonnen USA reports rapid sales growth

Why it matters for readers: It’s a real example of how renewable storage businesses can both fail in one place and scale up elsewhere, and what virtual power plants do.
- sonnen GmbH filed for insolvency and notified roughly 400 employees in Wildpoldsried, Bavaria on October 22.1
- The German company plans to keep supporting its more than 150,000 existing customers despite winding down numerous subsidiaries and leaving only one production site.1
- sonnen USA reports sales have doubled and production has tripled year‑over‑year, supported by expanded manufacturing in Stone Mountain, Georgia.1
- sonnen USA expects to deliver over 180 megawatt‑hours of residential battery storage in 2026, driven in part by growth in virtual power plant (VPP) deployments.1
- sonnen’s SOLRITE offering serves more than 6,000 homes in Texas, illustrating its VPP and residential market traction.1
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