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Quick answer: At Battery IQ, we help Mandurah residents calculate solar battery costs and savings. Battery prices range from $8,000-$16,000 installed in 2026, minus the ~$3,500-$4,500 federal rebate. With 5.3 average sun hours/day in Mandurah, typical payback is 5-8 years for houses with solar.
6210
Postcode
Zone 2
Solar Zone
5.3
Avg Sun Hours/Day
WA1
Grid Region

Your Year in Battery Power

How a 6.6kW solar system fills a 13.5kWh battery each month

Daytime Usage
Solar to Battery
Grid to Battery
Solar to Grid
💡

91% of battery charging from solar

In winter months, grid charging tops up your battery. With the right energy plan, you can charge during off-peak periods at very low rates - or even free.

91%
Solar Charging
9%
Grid Charging
9
Months Exporting

Monthly averages include all weather conditions (sunny, cloudy, and rainy days). Individual days will vary significantly. Assumes ~35% of daily usage during solar hours. Data: CER Zone 2

What could you save in Mandurah?

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Batteries in Mandurah

Mandurah residents benefit from Perth-like solar conditions while often having larger properties suited to battery installation.

Coastal city south of Perth with excellent solar

Mandurah is served by Western Power. With 5.3 average daily sun hours, a well-sized battery system can significantly reduce grid dependence and electricity costs.

Mandurah Battery Rebates 2026

Federal Rebate (Jan-Apr 2026)

Cheaper Home Batteries Program:

  • ~$336 per kWh capacity
  • ~$4,500 for 13.5kWh battery
  • Max $16,800 (50kWh cap)
  • VPP-capable required
Full Federal Rebate Guide

Western Australia State RebateWA Residential Battery Scheme

From 1 July 2025, WA offers state battery rebates that stack with the federal rebate - up to $5,000-$7,500 total for a 10kWh battery.

  • Synergy customers: $130/kWh (up to $1,300 for 10kWh battery)
  • Horizon Power customers: $380/kWh (up to $3,800 for 10kWh battery)
  • Stacks with federal rebate for total of $5,000-$7,500 (10kWh battery)
  • WA also offers zero-interest loans to help with purchase
Western Australia Energy Website

How much could you save with rebates?

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Battery Resources for Mandurah

Battery savings vary based on your usage, tariff, and solar setup. Our guides cover everything you need to make an informed decision.

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