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Perth · Baldivis
Solar and battery guidance for Baldivis's fast-growing family estates. New builds and high evening demand make sizing storage for family consumption + pool/EV future-proofing the main decision.
What-if simulator. Drag the timeline + sliders to see how a system would behave on a typical Baldivis day. Weather + grid status update live when the APIs are reachable.
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W/m² irradiance
0 kW
Est. generation now
37.3 kWh
Avg daily yield
Household Type
Annual savings
$2,649
Monthly average
$221
Solar used at home
6,950 kWh/yr
Exported to grid
6,650 kWh/yr
Based on 8 kW solar × 5 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
~$221
Based on 8kW system, 70% self-consumption, 32c/kWh
Sun Hours
5 hrs/day
Annual average peak sun hours for Baldivis
DEBS Peak Window
3pm–9pm
Export at 10c/kWh during peak, 2c/kWh off-peak
Western Power Grid: Normal
No planned outages for Baldivis (6171). Network operating normally.
Standard home
13.5–16 kWh
Large home
20–26 kWh
Retrofit option: DC-coupled hybrid installs work well on new builds
Capacity ranges only — Find My Battery matches you to the specific brand and model that fits your situation.
Backup Battery: Recommended
Southern metro suburbs have slightly above-average outage frequency. A battery with backup capability keeps essential circuits running during summer storms, which cause most unplanned outages in this zone.
85
SAIDI (min/yr)
1.1
Outages/yr
77
Avg duration (min)
Pass
ERA benchmark
Common outage causes in this zone:
Backup battery sizing for Baldivis:
With an average outage duration of 77 minutes (1.3 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.
Statewide support
WA Battery Scheme
Capped at 10 kWh, Synergy customers
$1,300
up to
Federal STCs
13.5 kWh battery example. 6.8 STCs/kWh times ~$39.9
~$3,631
rebate
Interest-free loan
Available alongside the rebate for eligible households
$10k
up to
Rebates also apply to retrofit installations on existing solar.
Ongoing earnings
Synergy Battery Rewards
Up to 30 dispatch events a year, 2-6 hours each
30
events/yr
Event payment
Paid per kWh your battery exports during a dispatch event
$0.70
per kWh
Typical annual earnings
For a 10-13 kWh battery across 15-25 events at 70c/kWh
~$100-180
per year
VPP enrolment is mandatory for the WA battery rebate from May 2026.
