Solar Panels 2026: The UK Hits 2 Million Installations

The UK passed a major milestone in March 2026 — more than two million solar panels have now been installed across the country. Government data shows that over 27,000 installations were completed in March alone, the highest monthly total since 2012, pushing the total to 2,003,000. Solar is no longer niche. It’s mainstream — and the momentum is only growing.

The latest solar panels 2026 figures confirm the UK is installing at the fastest rate in over a decade. The UK’s solar sector is expanding at a remarkable pace, driven by rising energy costs, growing public demand, and stronger government backing for renewable energy. For homeowners who have been sitting on the fence, this milestone is a clear signal: solar is proven, affordable, and delivering real savings for households across the country.

What does the UK solar panels 2026 milestone mean?

Solar capacity increased by 11.7% over the past year, adding 2.3 GW of clean, homegrown electricity to Britain’s energy mix. Two thirds of the March 2026 installations were on domestic properties — ordinary homes just like yours. This isn’t a technology for the wealthy few. It’s a practical, cost-effective upgrade that hundreds of thousands of households are choosing every year.

The growth also reflects a shift in attitude. Homeowners are increasingly choosing to generate their own electricity rather than remain at the mercy of rising grid prices. With the average UK household spending over £1,800 a year on energy, taking control of your own supply has never made more financial sense.

Why is 2026 such a big year for solar?

Several factors are making 2026 stand out. Solar panel prices have fallen significantly, with a typical 4kW system now costing considerably less than just a few years ago.

The government has committed £15 billion toward a home energy efficiency programme, which includes grants and loans to support millions of new rooftop installations by 2030. The UK government also recently committed to legalising plug-in “balcony solar” devices in time for summer 2026, opening up solar to properties where traditional roof-mounted systems aren’t possible.

On top of that, solar installations continue to benefit from 0% VAT and the Smart Export Guarantee (SEG), which pays you for any surplus electricity you export back to the grid.

Is solar right for your home?

In most cases, yes. Modern solar panels perform well even in the UK’s variable climate, and in the vast majority of cases no planning permission is required for a roof-mounted system. Whether you’re looking to reduce your energy bills, lower your carbon footprint, or add long-term value to your property, solar delivers on all fronts.
Pairing your solar panels with a battery storage system takes things even further. Rather than exporting surplus energy at a low rate, you store it and use it in the evenings — maximising every kilowatt your panels generate.

Why choose Grant Store Ltd?

As one of the UK’s leading MCS-accredited solar installers and an Octopus Trusted Partner, Grant Store Ltd has helped thousands of homeowners make the switch to solar. Every installation is fully tailored to your property — from the initial survey and system design right through to commissioning and aftercare. We handle everything, so you don’t have to.

With two million UK homes already generating their own clean energy, the question isn’t whether solar works. It does. The question is: what are you waiting for? Start your free solar quote online today.
To find out more or to book your free property assessment, contact Grant Store Ltd on 01942 918844. Join the two million and start saving today.