BatteryIQ
BatteryIQ

Get in Touch

Have questions about battery systems or want personalised advice for your home?

Contact Us →

Our Carbon Commitment

Carbon neutral since forever. Yes, including our AI.

See the Maths →
Quick answer: At Battery IQ, we help Fremantle 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 Fremantle, typical payback is 5-8 years for houses with solar.
6160
Postcode
Zone 2
Solar Zone
5.3
Avg Sun Hours/Day
WEM
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 | BOM Swanbourne

What could you save in Fremantle?

Upload your bill. Get your personalised savings estimate in 60 seconds.

Analyse My Bill →

Batteries in Fremantle

Fremantle is located in Greater Perth, Australia's sunniest capital city. With 5.3 average daily sun hours, residents generate substantial solar energy. The federal Cheaper Home Batteries rebate (~$372/kWh) makes battery storage affordable. Western Power serves the area, operating WA's isolated grid which makes battery backup particularly valuable for energy security.

Coastal Fremantle benefits from consistent 5.3 sun hours with sea breeze cooling

Fremantle 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.

Fremantle 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?

Get an instant estimate based on your Fremantle address and eligible rebates.

Calculate My Savings

Battery Resources for Fremantle

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

Federal Battery Rebate Guide

How the Cheaper Home Batteries Program works and how to claim up to $16,800.

Home Battery Comparison 2026

Tesla Powerwall 3, BYD, Sungrow, Enphase compared. Updated costs and payback periods.

VPP Programs Explained

How virtual power plants work and what VPP-capable means for the rebate.

Compare Energy Plans

Find the best tariffs and feed-in rates for battery owners in Fremantle.

Ready to explore battery options?

Our AI analyses your electricity bill to recommend the optimal battery setup for your Fremantle home.

Get Your Free Analysis

Explore more Western Australia suburbs

City Delivery CentrePerth BcPerth East St Georges TceHighgateNorthbridgeEast PerthKings ParkWest PerthView all Western Australia →