Sungrow earns the world’s first German inertia market "passport" with VDE FNN prototype certificate for its SC210HX power conversion systems
Executive summary: Sungrow’s SC210HX series Power Conversion Systems received the VDE FNN Prototype Certificate, granting the world’s first German inertia market "passport\). The certificate enables Sungrow’s inverters to deliver synthetic inertia services, a critical ancillary service for grids with high renewable generation, opening a new revenue stream in Germany’s stability market.
Who is involved: Sungrow, VDE (Verband der Elektrotechnik, Elektronik und Informationstechnik), FNN (Forum Netztechnik/Netzbetrieb), and German grid regulators/operators.
Likely next: Sungrow may pursue full type certification for additional models, German transmission operators could pilot inertia services with these inverters, and competitors may seek comparable VDE FNN approvals.
On July 20 2026, Sungrow announced that its SC210HX series Power Conversion Systems obtained the VDE FNN Prototype Certificate, the world’s first authorization for the German inertia market. This credential allows the company’s inverters to provide synthetic inertia, a key grid‑stability service as renewable penetration rises. The achievement highlights Sungrow’s leadership in grid‑forming technology and could accelerate similar certifications across Europe, signalling growing regulatory interest in inverter‑based inertia as a reliability tool.
Timeline
- — Sungrow Secures World's First German Inertia Market "Passport" with VDE FNN Prototype Certificate (PR Newswire)
Analysis — what this means
Sectors affected
- Utility‑scale solar plus storage
- Grid‑forming inverter market
- German ancillary services market
Regulatory implications
- The VDE FNN Prototype Certificate permits Sungrow’s inverters to provide synthetic inertia services compliant with the German Grid Code (VDE‑AR‑N 4105) as of July 2026.
- This first‑mover authorization may prompt updates to European grid‑code frameworks to explicitly accommodate inverter‑based inertia.
Key entities
Sources
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