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Perth · Armadale
Solar and battery guidance for Armadale's family homes. Larger blocks, growing solar uptake, and rebate stacking make the payback maths work harder here than people assume.
What-if simulator. Drag the timeline + sliders to see how a system would behave on a typical Armadale day. Weather + grid status update live when the APIs are reachable.
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W/m² irradiance
0 kW
Est. generation now
30.4 kWh
Avg daily yield
Household Type
Annual savings
$2,302
Monthly average
$192
Solar used at home
6,205 kWh/yr
Exported to grid
4,883 kWh/yr
Based on 6.6 kW solar × 5.9 sun hours × Perth derate, with a 10 kWh battery offsetting peak-rate Synergy A1 usage and exporting the surplus at DEBS peak/off-peak rates. Real savings depend on your specific tariff plan, usage pattern, and installation — an installer confirms the final quote.
Monthly Savings
~$192
Based on 6.6kW system, 70% self-consumption, 32c/kWh
Sun Hours
5.9 hrs/day
Annual average peak sun hours for Armadale
DEBS Peak Window
3pm–9pm
Export at 10c/kWh during peak, 2c/kWh off-peak
Western Power Grid: Normal
No planned outages for Armadale (6112). Network operating normally.
Capacity ranges only — Find My Battery matches you to the specific brand + model that fits your situation.
Backup Battery: Recommended
South-east suburbs near the hills have moderately higher outage rates due to tree contact and storm exposure. Backup-capable batteries are worth considering, especially for homes with medical equipment or home offices.
95
SAIDI (min/yr)
1.3
Outages/yr
73
Avg duration (min)
Pass
ERA benchmark
Common outage causes in this zone:
Backup battery sizing for Armadale:
With an average outage duration of 73 minutes (1.2 hours), a 5 kWh backup-capable battery is typically sufficient to maintain essential loads (lights, fridge, internet, medical equipment). For whole-home backup during longer outages, consider 10-13.5 kWh with backup capability.
WA Battery Scheme: Up to $1,300 (capped at 10kWh, Synergy customers)
Federal STCs: ~$4,500 for a 13.5kWh battery (8.4 STCs/kWh × ~$39.9, Jan–Apr 2026)
Interest-free loan: Up to $10,000 available
Rebates also apply to retrofit installations on existing solar.
Programme: Synergy Battery Rewards
Events: Up to 30/year (2–6 hours each)
Payment: $0.70/kWh exported during events
Annual earnings: ~$100–180 for a 10–13kWh battery (15–25 events × 70¢/kWh)
VPP enrolment is mandatory for the WA battery rebate from May 2026.
