Researchers demonstrate solar inverters can stabilize Milan's grid at night

A trial in Milan showed that solar inverters can supply reactive power to regulate voltage on distribution grids even when panels aren't generating electricity, suggesting existing PV equipment could provide grid support services beyond day

First covered Sep 16, 2026 · 11:51 PM PT · 1 article · no longer in the live window

Researchers demonstrate solar inverters can stabilize Milan's grid at night — Image via pv-magazine.com

Coverage

10d PV Magazine PV inverters provide reactive power to Milan’s grid at night — Researchers in Milan used PV inverters to supply 500 kVAr of reactive power to the distribution grid for four hours overnight.

More coverage from around the web

academic.oup.com Use of solar PV inverters during night-time for voltage regulation and stability of the utility grid | Clean Energy | Oxford Academic

energia.polimi.it PoliGrid: Photovoltaic Inverters Supporting Power Grid Flexibility - Department of Energy

sma.de Why reactive power matters and how SMA technology supports grid stability | SMA Solar

sciencedirect.com Using PV inverters for voltage support at night can lower grid costs - ScienceDirect

files.sma.de Q at Night - Reactive power outside feed-in operation with ...

Appeared in: 2026-09-17 (#7)

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