Solar PV · News

Why Spring and Summer Are the Best Time to Book a Solar Install

Solar PV 4 min read Published 3 June 2026

Booking your solar installation in spring or summer means you start generating during the sunniest months — and you skip the autumn rush. Here's why timing matters.

Generation peaks in the lighter months

A solar PV system produces the most electricity when days are long and the sun is high — roughly April through September. Getting your panels installed and commissioned before or during this window means you capture a full season of peak generation rather than waiting through the darker months. Install in spring and your system is earning from the moment it's switched on.

Beat the autumn and winter rush

Demand for solar climbs every autumn as energy bills land and people start planning for winter. That pushes out lead times — survey, design, DNO approval and installation all take longer when installers are busiest. Booking in spring or early summer usually means a quicker turnaround and more choice of installation dates. And if you're reading this in the colder months, don't be put off — see our guide on whether solar panels work in winter.

Better weather makes for smoother installs

Most of the work happens on your roof, so dry, settled weather makes installation faster and safer. Scaffolding goes up and comes down more predictably, and there's less chance of weather delays pushing your date back. Spring and summer simply give us more reliable working conditions across the North West.

Start saving immediately

Install in spring and your panels go straight into their most productive months, offsetting the electricity you'd otherwise buy at around 24p per kWh and earning export payments on the surplus. Add battery storage and you can bank long summer days of cheap, clean power for use in the evenings. You can model the difference with our savings calculator.

Book your survey now

Because there's a lead time between enquiry and installation, the best time to enquire is a few weeks before you want the panels working. If you're hoping to be generating this summer, now is the moment to start. Request a free site survey and our Preston team will get you booked in.

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