Notes from the roof
Sizing, compliance and design notes written by installers, not marketers.
- How big a battery do you actually need?Most homes are sold too much battery. Here is the maths we use, with a worked example.
- SSEG registration in Cape Town: what it is and why we do it for youAny grid-tied system has to be registered with the City. Skipping it risks a fine and a disconnection. Here is the process.
- Your roof does not have to face northNorth is best. East and west are fine. Here is how much you lose, and why it often does not matter.