Higher voltage faces greater resistance

Utility-scale solar is set to crank up the voltage, preparing to shift from 1.5 kV to 2 kV on the DC side. It is a move that could redefine PV system design and slash costs, but it won’t happen globally due to vastly different regulations as voltages rise, reports Tristan Rayner.

Issue 02 - 2025

Greenbacker COO Matt Murphy speaks at the groundbreaking of the South Street solar project.

Photo: Greenbacker

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