Choose by connection type
UK solar calculators and planning tools
Start with where the electricity will be used. A domestic mains-connected system, an independent outbuilding and portable camping equipment have different calculations and safety boundaries.
Choose a calculator
Appliance power checker
Can It Power This?
Check battery, inverter and solar requirements for a UK appliance.
Check an appliance
Mains-connected planning
Home plug-in solar calculator
Estimate generation, annual savings, unused energy and payback.
Calculate home savings
Shed and workshop
Shed solar calculator
Size battery storage, inverter output and panels for shed loads.
Size a shed system
Garden workspace
Garden office solar calculator
Plan reliable power for laptops, monitors, networking and lighting.
Size an office system
Portable off-grid
Camping solar calculator
Estimate trip energy, portable battery, inverter and solar needs.
Plan a camping setupContinue to a buying guide
Compare solar product types
Separate grid-connected systems, off-grid kits and portable power.
Explore buying guidePortable power stations
Compare capacity, output, solar input and suitable office loads.
Explore buying guideOff-grid shed kits
Choose between an integrated station and a component-based system.
Explore buying guideGarden office solar
Turn measured office loads into a practical equipment shortlist.
Explore buying guideImportant category boundary
Portable power stations, portable panels and leisure batteries are off-grid products used through their intended outputs. They are not automatically lawful or suitable for connection to domestic mains wiring. Battery-integrated products are not automatically covered by any UK plug-in solar approach.