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This is an illustrative scenario based on typical Perth household data, not a specific customer story.
Working from home changes the energy equation compared to a typical household. Instead of the house being mostly empty during peak solar hours, a WFH professional runs a steady ~500-800 W baseline load throughout the day (computer, screens, router, occasional coffee machine).
Daytime self-consumption: With 500-800 W of constant daytime load, a 6.6 kW system still produces enough surplus to charge the battery. The key is that solar covers the work equipment directly, and excess goes to the battery for evening use. On a typical Perth day, a 10 kWh battery still reaches full charge by 1-2 pm even with the WFH load running.
Backup switchover: This is where battery choice matters most for WFH professionals. Modern hybrid inverters offer switchover times of 10-20 milliseconds, fast enough that most computers and routers don't notice a grid outage. This effectively turns your battery into a whole-home UPS during working hours.
Cover for storm outages: Perth's summer storms can cause brief power outages that disrupt video calls and unsaved work. A battery with fast switchover means your home office stays powered through short outages. For longer outages (1-4 hours), a 10 kWh battery can easily run a home office circuit (500-800 W) for 12+ hours.
Evening coverage: After the workday, the battery handles typical evening loads. Even with higher daytime consumption, a 10 kWh battery typically provides 4-6 hours of evening coverage on Perth's long summer days.
A step-by-step method covering evening usage and seasonal AC demand.
AS/NZS 5139 clearance rules, garage vs outdoor walls, and what installers check on-site.
Synergy customers get $130/kWh back, capped at $1,300.
Answer a few questions and see systems and installers that fit your home.