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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.
From around the world
Auto-synced every few hours from a handful of solar publications and Google News searches for "balcony solar", "plug-in solar", and Balkonkraftwerk. Click through to read at the source.
Trump Twiddles Thumbs While The Balcony Solar Movement Takes Off
Nine US states have now adopted legislation that clears the path for plug-in balcony solar kits, including Utah, Maine, Virginia, Colorado, Maryland, New…
California Legislature Approves Bill Easing Access to Clean, Affordable “Balcony Solar”
SB 868 would end red tape blocking millions from utility bill savings SACRAMENTO — The Environmental Working Group today applauds the California Legislature…