For millions of households, the question is not just whether solar panels are worth the cost . But instead, if adding solar panels is even possible at all. Solar has long been sold as a home upgrade for people who own their home, have a suitable roof, enough disposable money up front and the confidence to commit to a full installation.

Plug-in solar panels may offer an alternative solution. They are smaller, cheaper and far less powerful than a traditional rooftop array. But they could also help bring solar within reach of people who have largely been left out of the energy transition – such as renters, flat owners, households without suitable roof space and those who cannot afford a full solar panel system.

The UK government announced in March 2026 that plug-in solar panels would be available to buy “within months”, as part of a wider push to expand clean home energy and reduce reliance on fossil-fuel markets.…