Thursday, April 23, 2026

Plug-in solar is coming...

Plug-in solar is coming! I've seen that headline in multiple places recently. And it is kind of a big deal, in a small way.

So, what is plug-in solar anyway? It's "a simple, reliable way to save money by generating your own electricity" from small-scale modular solar panels that connect (via an inverter) to a standard power outlet in your home. It's an easy and affordable way to get started generating your own power. 

Solar panels can be put on any accessible flat surface, such as a balcony, in a front or back yard, or on a roof deck. Unlike a full-scale roof-top grid-tied system, installation is pretty straightforward and can be done without engaging a contractor and a whole lot of bureaucracy. Even renters and apartment dwellers can now reduce their grid dependence.

Plug-in panels come in a range of output sizes from 200W to 1,600W (as compared to a typical rooftop installation of 3,000W to 9,000W), and cost from a few hundred to a few thousand dollars. It's not intended to power your whole home, merely to reduce load (particularly during peak times), and to save the consumer some money. Even a small 200W unit can power a fridge or overhead lighting, or be used to recharge laptops, phones, etc, or it can be used remotely to power camping appliances, a small boat, etc. Larger units can of course power larger and more power-hungry appliances.

The average payback time right now is about 5 years, and costs are expected to continue falling as market take-up increases. Annual savings depend on available sunshine hours and the cost of locally produced electricity.


Germany has been doing it for years, since the German government streamlined the rules for power generation without needing approval from electricity utilities back in 2019. The technology is tried, tested and safe. Germany remains the largest market - about 1 in 10 households there use some form of plug-in solar panels. Now, more and more other jurisductions are starting to cut the red tape to make it easy for consumers to install a plug-in solar system. Plug-in solar is now legal in most EU states (25 of 27), excepting Sweden (puzzling) and Hungary (not so puzzling).

Utah was the first US state to pass legislation allowing it, and many others have followed suit.(or are in the process). Britain recently changed its rules to allow, and even encourage, it. Embarrasingly, here in Canada, the Canadian Standards Association is still "evaluating" the technology, and there are still regulatory barriers to overcome. 

With the crunch on gas prices caused by the US war in Iran, there has never been a better time for plug-in solar.

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