Solar Panels & Battery Storage
Solar PV systems and home batteries — what they actually cost in 2026, how much you get paid for what you export, and whether the maths still works.
£6,500–£9,500
Typical 4–6 kW install
12 p/kWh
Best no-tie-in SEG (Octopus)
0% VAT
Until 31 March 2027
6–12 yrs
Realistic payback in 2026
Solar & battery guides
Solar Panel Costs UK 2026
Real installed prices by system size, with the MCS-reported UK average and what your quote should include.
Read guide Tariffs updatedSmart Export Guarantee
How SEG works, the best-paying export tariffs in 2026, and when to pick fixed vs variable.
Read guideBattery Storage
Battery sizing, prices, brands, and why a battery sometimes pays off and sometimes doesn't.
Read guidePanels & Inverters
TOPCon vs HJT vs back-contact panels, inverter types, and how to read a quote.
Read guideAre They Worth It?
Payback periods, ROI, and the honest case for solar in 2026 — with and without a battery.
Read guidePlanning & DNO Rules
Permitted development, G98 vs G99, when you need approval and how long it takes.
Read guideG99 Application Explained
When you need DNO pre-approval for solar or a battery, how long it takes, what it costs, and how to skip the wait.
Read guide Myth-busterPlug-In Solar: Is It Legal?
The balcony-solar kits everyone's advertising — and why they're not actually legal to plug in yet (June 2026).
Read guideThinking about solar?
Get free, no-obligation quotes from MCS-certified solar installers.
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