Balcony solar keeps working in winter and under clouds, but output drops a lot. Real month-by-month figures and why vertical panels do better than you'd expect in winter.
Read more Does Balcony Solar Work in Winter or on Cloudy Days?A balcony solar kit lowers your electricity bill; a portable power station stores energy for camping and outages. How they differ and when you might want both.
Read more Balcony Solar vs Portable Power Station: Key DifferencesWe modeled an 800 W plug-in solar kit in 30 US cities and five mounting positions with satellite solar data. What a balcony railing really produces, why it makes more in December than in June in the Southwest, and where it saves the most.
Read more Plug-In Solar in 30 US Cities: Balcony Output and Savings (2026 Data)Plug-in solar is a small solar system you connect to a normal wall outlet. How it works, what it costs, what it saves and whether it is legal where you live.
Read more What Is Plug-In Solar? A Beginner’s GuideCalifornia's SB 868 would legalize plug-in solar up to 1,200 watts from January 2027. It passed the Legislature in 2026; here is what it says and what happens next.
Read more California SB 868: Where the Plug-In Solar Bill StandsNine US states now have plug-in solar laws. Here is what almost all of them say about wattage, safety certification, utilities, net metering and landlords.
Read more Plug-In Solar Laws Explained: What the 2026 State Laws Have in CommonOur shortlist of plug-in solar kits for 2026, compared on certification, price per watt, warranty and availability, plus the red flags that should make you walk away.
Read more Best Plug-In Solar Kits of 2026: What to Buy and What to SkipRooftop solar is cheaper per watt and much bigger; plug-in solar is cheap to start, portable and renter-friendly. A side-by-side comparison with real numbers.
Read more Plug-In Solar vs Rooftop Solar: Which Makes Sense for You?How long a balcony solar kit takes to pay for itself, what drives payback, and the situations where it is and is not worth buying.
Read more Is Balcony Solar Worth It? Payback Time ExplainedPlug-in solar became legal in Great Britain on 27 August 2026. Here is what the new rules allow, the 800W limit, which kits qualify and what Northern Ireland residents should know.
Read more Is Balcony Solar Legal in the UK? The August 2026 Rules ExplainedWhich plug-in solar kits you can legally buy and use in Great Britain after 27 August 2026, what they cost and what to check before you buy.
Read more Best Plug-In Solar Kits in the UK (Compliant With the August 2026 Rules)Estimated yearly savings from an 800W plug-in solar kit in each state with a plug-in law, plus California and New York, based on sunshine and electricity prices.
Read more How Much Does Plug-In Solar Save? Real Numbers by StateColorado's HB 26-1007 allows plug-in solar up to 1,920 watts, the highest limit in the US, and protects renters and HOA members from blanket bans starting in 2027.
Read more Colorado Plug-In Solar Law (HB 26-1007): The 1,920W Limit Explained