Panel Angle & Orientation
Which direction should panels face in SA? What tilt angle for your province? North-facing explained, E/W split arrays, and flat roof tilt frames.
Read the guide →Roof Type Compatibility
IBR, tile, flat concrete, thatch, standing seam — each has different mounting systems, costs, and risks. Find your roof type.
Read the guide →Shading Impact Guide
One shaded cell can cut a string's output by 30–70%. String inverters vs microinverters vs optimisers — when each is worth it.
Read the guide →System Sizing Deep-Dive
How to size a solar system from your kWh consumption, not an appliance list. Province-by-province peak sun hours and standard system combinations.
Read the guide →Installation Day Checklist
What to verify before, during, and after installation — equipment checks, CoC, SSEG paperwork, and red flags to watch for.
Read the guide →Adding a Battery to Solar
Already have solar panels but no battery? Learn how to retrofit backup storage, check inverter compatibility, compare costs and avoid SA-specific installation problems.
Read the guide →Add Panels or a Battery?
Use measured production and consumption data to decide whether your next upgrade should add daytime generation or energy storage.
Compare the options →Solar Installer Red Flags
Check the business, itemised quote, equipment, payment stages, electrical CoC and handover documents before final payment.
Use the checklist →Is Solar Worth It?
Compare your electricity use, backup needs and quote assumptions before deciding whether solar makes sense for your home.
Read the decision guide →Ready to go solar?
Get matched with PV GreenCard certified installers in your area.