Households are expected to save around £500 per year on bills by installing the technology, the government said of the roadmap, which is part of its Plan for Change.
The Solar Roadmap will help the government and industry to deliver 45-47GW of solar by 2030 and is expected to support up to 35,000 jobs.
This will be done by increasing the installation of solar on new-build homes through the Future Homes Standard and a safety review of portable plug-in solar panels, to make it easier and cheaper for people in rented accommodation to install solar on balconies and rooftops.
Due to regulations, portable plug-in solar is currently unavailable in the UK.
Michael Shanks, energy minister, said: “Families have been paying the price for the fossil fuel rollercoaster for years.
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“Our Plan for Change means delivering more homegrown energy that we control to boost the UK’s energy security and save money on your bills.
“Through solar, we are rolling out the quickest to build and one of the cheapest forms of energy for families to start saving hundreds on their energy bills, all whilst helping tackle the climate crisis.”
The government is working with the Green Finance Institute (GFI), the finance sector, consumer bodies and the solar industry to help households and businesses fund installations.
Garry Felgate, chief executive of The MCS Foundation, said: “The UK is experiencing a solar boom, with record numbers of subsidy-free solar panels being installed on rooftops across the country.
“We welcome the Solar Roadmap, which sets out the many ways in which we can maximise British potential for clean, cheap electricity.
“Following on from the announcement that the vast majority of new homes will be required to have solar panels under the Future Homes Standard, the Solar Roadmap clearly demonstrates this government’s commitment to homegrown renewable power.”
