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Your roof: orientation, tilt and shading

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Your roof: orientation, tilt and shading

How your roof setup affects solar performance.

Roof orientation and direction

Does my roof have to face north for solar to be worth it?
Does the direction my solar panels face matter more in southern Australia?

Tilt angle

What tilt angle should my solar panels be at in Australia?

Multiple roof faces and east-west splits

Can I put solar panels on multiple roof faces?
What is an east-west split and when does it make sense?

Ground-mounted systems

What is a ground-mounted solar system and when does it make sense?

How much shading costs you in output

Does shade mean solar isn’t worth it for my home?
How much can shading reduce my solar system’s output?
Why does shade on one panel affect the whole system?

Types of shading and panel damage

What is a bypass diode and what happens when it fails?
What is the difference between hard shading and diffuse shading?

Shading solutions: optimisers and microinverters

What are power optimisers and how do they help with shading?
Are microinverters better than power optimisers for shading?

Assessing shade before and after install

How do I know if shading will be a problem for my roof?
Can I do anything about shading after my system is already installed?