News
Practical notes on solar, batteries and wind power, and getting through load-shedding.
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On-grid, hybrid or off-grid: choosing a solar setup
Three ways to wire solar into a building, and the one question that decides between them: what should happen when the grid goes down? -
How to size a battery for load-shedding
Four steps from a list of appliances to a battery size, with a worked example you can repeat for your own home. -
Looking after your solar panels: cleaning and checks
Solar needs little attention, but not none. Dust, bird droppings and loose connections all cost output. Here is what to check, and what to leave to us. -
Registering your solar system with the municipality
The paperwork side of going solar: municipal approval, the certificate of compliance, and why skipping them can cost you later. -
Small wind turbines: when they make sense
Wind can fill the hours solar misses, but only on the right site. The physics that decides it, and how to check before you buy. -
Load shedding is slowly killing your appliances
Unplugging, surge protection, a UPS or a backup supply: what each one does to keep repair bills down. -
Stage 5 load-shedding and worse after winter
What stages 5 to 8 mean in hours, and why the 2022 outlook pointed to more cuts in summer.