Engadget42%
The First UL 3700-Compliant Plug-In Solar Microinverter Is Now Available In The US 76%
By Anna Washenko55%
7/20/2026, 9:55:05 PM
Keywords: Solar Power, Microinverter, Ul 3700, Plug In Solar, Balcony Solar, Renewable Energy, Hoymiles
BS Summary: This article contains 21 faulty reasoning types, including Appeal to Authority, Negativity Bias, and Ambiguity (Equivocation), with Attempt to Sell a Product or Service as the most egregious example at 39.7% saturation with 91 hits. Analysis detected 862 faulty-reasoning hits from 229 analyzed words, generating a BS Score of 68% and a BS Rank of 76% (5,262 of 21,887 articles). This article is worse (more manipulative) than 76.00% of the article peer group.
Last week, Hoymiles released its HiFlow Pro microinverter, which allows for use of solar power drawn through a typical household outlet.
A few states have passed laws permitting this plug-in solar technology, and several others have proposed measures to allow it.
As Electrek reports, while microinverters are not a new product category, this one from Hoymiles is notable for being the first in the US to conform to the recently enacted national safety standards.
Adopted in December 2025, UL 3700 is the inaugural North American safety standard for plug-in photovoltaic energy systems, sometimes referred to as "balcony solar."
One of the major issues toward adopting these small-scale solar panels is the risk that, since the converters draw electricity into a socket rather than out of it, power would be drawn into the grid during outages.
This would endanger any crews working to restore service, so UL 3700 standardizes the features for preventing any accidental overloads among other safety concerns.
Plug-in solar isn't really capable of powering a whole apartment, but it is a way of reducing reliance on the existing electric grid without needing a whole fleet of photovoltaic panels.
Having a federal standard for these smaller setups expands the potential consumer base for solar to renters and apartment dwellers who couldn't pursue full rooftop installations.
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