£400 plug‑in solar hits shelves
Lidl will sell £400 plug‑in solar panels in the U.K., and similar ‘balcony solar’ plug‑in systems are gaining traction in the U.S. as a cheaper DIY entry point for home energy. (The Independent reported Lidl’s offering and The Verge covered the U.S. trend toward AC‑plug solar systems.) ( )
Lidl is preparing to sell plug-in solar kits in the U.K. for about £400, putting small home solar systems into supermarket aisles. (independent.co.uk) The kits use one or more small panels and a microinverter, a device that turns solar power into the same alternating current used in a home socket. Users can hang a panel on a balcony or fence and plug it into a standard three-pin outlet. (independent.co.uk) The U.K. government said on March 24 that retailers including Lidl and Amazon, along with manufacturer EcoFlow, were working to bring the products to stores “within months” for existing homes. The Department for Energy Security and Net Zero said the systems cut the amount of electricity a home draws from the grid. (independent.co.uk) The appeal is the price and the simplicity. The Independent reported a typical U.K. home could save £70 to £110 a year, which would put a £400 kit on roughly a four-year payback if those estimates hold. (independent.co.uk) These systems are often called “balcony solar” because they are sized for renters, flat dwellers, and homeowners who cannot justify a full rooftop installation. In Germany and Spain, the format is already common, and The Independent said roughly half a million of the devices are plugged in each year in Germany and Spain. (independent.co.uk) Britain’s rules are changing as the government also pushes solar and heat pumps into new homes through its Future Homes Standard. Ministers said on March 24 that most new homes would be built with on-site renewable electricity generation, likely mostly solar. (independent.co.uk) The U.S. market is moving more slowly because safety and code questions have been unresolved. UL Solutions said on January 8 that it launched a testing and certification program based on UL 3700, a new framework for plug-in solar systems that sets construction, performance, and labeling criteria. (ul.com) UL said plug-in photovoltaic systems create risks that standard rooftop-solar rules did not fully anticipate, including overload protection, ground-fault compatibility, energized plugs, and user contact with low-mounted equipment. The company said those issues need dedicated certification pathways before the products scale widely. (ul.com) State laws are now starting to catch up. Maine’s governor signed LD 1730 on April 6, allowing a single plug-in device up to 420 watts for homeowners or renters, or up to 1,200 watts with a certified electrician once the law takes effect in July. (pv-magazine-usa.com) Maryland and Colorado sent plug-in solar bills to their governors this week, and pv magazine USA reported that 33 states plus the District of Columbia have introduced related legislation. Colorado’s bill would allow up to 1,920 watts, one of the highest limits proposed so far. (pv-magazine-usa.com) The pitch on both sides of the Atlantic is the same: a smaller solar system that costs hundreds, not thousands, and can start cutting daytime grid use without scaffolding or a rooftop crew. Whether it becomes routine will depend less on sunlight than on the fine print in safety standards, utility rules, and state law. (independent.co.uk)
