Tick the appliances you want to keep running and PowerPlan works out the inverter, battery and solar size for your province. It comes with the buying checklist that helps you compare quotes and avoid expensive mistakes.
Free quick estimate
Add up the watts of everything that must run at the same time (check appliance labels). Lights, Wi-Fi, TV and a fridge come to about 400–600 W.
The full planner also sizes your battery for the backup hours you need and your solar panels for your province, then gives you the installer checklist.
What you get
Fridges, lights, Wi-Fi, TVs, alarms, gate motors, CPAP machines, pool pumps and more, with typical wattages you can edit.
Lithium or lead-acid, 2 to 24 hours of backup, and sun hours for your area. Save your plan as a PDF for installers.
Questions to ask, what the CoC and municipal registration involve, warranties, and the red flags of a bad installer.
Why it matters
Most people only find out their system is wrong after it's installed. PowerPlan shows you the maths in plain language, so you can question a quote with confidence.
Edit wattages and hours to match your home.
From short outages to a full day off-grid.
Use the checklist to spot padding and shortcuts.
PowerPlan SA
FAQ
No. You still need a registered electrician to install the system and issue a Certificate of Compliance. PowerPlan helps you know what to ask for.
No. We don't sell equipment or take commissions, so we have no reason to oversize your system.
It gives sound estimates from your inputs. Your installer should confirm the final sizes after inspecting your home, especially for pumps and motors.
Instant access, R59 once-off, 7-day money-back guarantee.
Get PowerPlan · R59