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Experts brief Senate committee on new standards for portable and plug‑in solar devices
Summary
A Pacific Northwest National Laboratory expert told the Environment, Energy and Technology Committee that new supplemental standards (including a recently published UL standard) are intended to enable safe plug‑in/balcony solar while NEC and other codes are revised; certification and NEC adoption timelines were discussed.
The Senate Environment, Energy and Technology Committee concluded its meeting with a technical work session on codes and standards for connecting portable, plug‑in and balcony solar to homes and the electric grid.
Jeremiah Miller of the Pacific Northwest National Laboratory told the committee these devices sit at the intersection of three main regimes: the National Electric Code (NEC), product‑level safety/listing standards administered by UL, and grid‑interconnection standards (IEEE 1547). He said the NEC and UL listing processes focus on safety (fire, shock) and installation practices, while IEEE 1547 governs how distributed devices interact…
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