Series regulator unlocks 260% more PV capacity in German MV grids
A compact medium-voltage device retrofits into existing transformer stations, bypassing the need for new grid infrastructure.
By Matthias Blank · drafted with the Vantage newsroom system, approved before publication
A medium-voltage series regulator can expand PV hosting capacity in German distribution grids by 260%, according to pv magazine. The device works by actively regulating voltage along existing MV feeders, removing the voltage-band ceiling that currently forces distribution system operators to restrict solar connections.
The key commercial argument is installation footprint: the regulator fits inside existing transformer stations with no additional construction. That sidesteps the multi-year permitting and civil-works timelines that make traditional cable or transformer upgrades slow to execute. For DSOs facing a growing queue of PV interconnection requests, the retrofit path shortens the critical timeline considerably.
No cost figures or pilot-project locations were disclosed in the published summary. The 260% capacity figure applies to German MV distribution grids specifically; generalisation to other European network topologies would require separate validation.
Source: pv magazine
Photo by Mahmoud Yahyaoui on Pexels.
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