Resilience
Load shedding & backup power
Solar alone does not equal backup. Here’s how hybrid systems keep essentials on when stages hit.
Why many “solar” homes still go dark
Standard grid-tied inverters disconnect when the grid fails (anti-islanding). Without a hybrid inverter and battery (or another backup source), panels cannot legally or safely energise your home during an outage.
A practical backup recipe
- Define essential circuits (lights, Wi-Fi/ONT, fridge, selected plugs).
- Choose a hybrid inverter with adequate backup rating.
- Size battery kWh for your target hours × essential load.
- Decide geyser/pool strategy (often shed or timer-based).
- Commission changeover correctly and test under load.
Generators and inverters must be integrated safely — amateur changeovers kill equipment and people. Use registered electricians.
Stage patterns & expectations
Higher stages mean longer and more frequent outages. Design for the stages you actually experience, with margin. Solar recharge during daylight between slots dramatically improves multi-day resilience.
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