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Perth · Mount Pleasant
Premium solar & battery solutions for Mount Pleasant's prestigious riverside properties, with expert guidance on whole-home backup and energy independence.
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W/m² irradiance
0 kW
Est. generation now
29.8 kWh
Avg daily yield
Household Type
Monthly Savings
~$206
Based on 6.6kW system, 70% self-consumption, 32c/kWh
Sun Hours
5.9 hrs/day
Annual average peak sun hours for Mount Pleasant
DEBS Peak Window
3pm–9pm
Export at 10c/kWh during peak, 2c/kWh off-peak
Western Power Grid: Normal
No planned outages for Mount Pleasant (6153). Network operating normally.
Backup Battery: Recommended
Southern metro suburbs have slightly above-average outage frequency. A battery with backup capability provides peace of mind 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 Mount Pleasant:
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.
Premium properties with pools, multiple AC zones, and high baseline consumption.
Recommended: 20-30 kWh capacity
Popular options: Tesla Powerwall 3 (2x units = 27 kWh), BYD Premium HVM 22.1 kWh, Sungrow SBR256 (25.6 kWh)
Investment: $28,000-$38,000 before rebates
After rebates: ~$22,000-$32,000 (with WA rebate + STCs)
Established homes with ducted AC, pool, and modern appliances.
Recommended: 15-20 kWh capacity
Popular options: BYD Premium HVM 16.6 kWh, Sungrow SBR192 (19.2 kWh), Alpha ESS SMILE-B3-PLUS (17.3 kWh)
Investment: $20,000-$28,000 before rebates
After rebates: ~$15,000-$22,000 (with WA rebate + STCs)
Quality homes with moderate usage but desire for energy independence.
Recommended: 13-16 kWh capacity
Popular options: Tesla Powerwall 3 (13.5 kWh), sonnen eco 10 (10 kWh), Enphase IQ Battery 5P (15 kWh)
Investment: $16,000-$22,000 before rebates
After rebates: ~$11,000-$17,000 (with WA rebate + STCs)
Many Mount Pleasant homes were built in the 1960s-1990s and may require electrical upgrades:
Up to $$1,300 ($$130/kWh, 10kWh max eligible). Requires VPP participation.
$3,200-$5,300 for typical systems (8.4 STCs/kWh at $39.9 each, Jan-Apr 2026), less from May 2026.
Total rebates of $5,600-$7,800 for a 15-20 kWh system, reducing upfront costs by 25-35%.
