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Hand-picked by the campaign team. The watershed moments — standards published, bills passed, regulatory wins, key media coverage.
Colorado Introduces Plug-In Solar Bill Referencing UL 3700
Colorado HB26-1007 is the first US state bill to explicitly reference UL 3700 as the safety standard for plug-in solar. The bill allows systems up to 1920W on a 20A circuit.
Germany Surpasses 1.2 Million Registered Balcony Solar Systems
The Bundesnetzagentur reports approximately 1.2 million registered plug-in solar systems by end of 2025, with 430,000 new registrations in 2025 alone. HTW Berlin estimates the true total at 1.5-4…
UL 3700 — First North American Plug-In Solar Safety Standard Published
UL Solutions published UL 3700 Ed. 1-2025, the first safety standard for plug-in solar in North America. It covers anti-islanding, touch safety, overcurrent protection, and weatherproofing. The…
CBC Reports on Plug-In Solar Barriers in Canada
CBC investigation highlights how Canadian electrical regulations prevent adoption of plug-in balcony solar, a technology used by millions in Europe. CSA Group confirms plug-in solar falls outside…
Utah Passes Plug-In Solar Law Unanimously
Utah HB 340 allows portable solar devices up to 1200W to be plugged into standard 120V outlets. The bill passed 72-0 in the House and 27-0 in the Senate, demonstrating bipartisan support.
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