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Quick answer: At Battery IQ, we help Cotham 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 4.5 average sun hours/day in Cotham, typical payback is 5-8 years for houses with solar.
3101
Postcode
Zone 3
Solar Zone
4.5
Avg Sun Hours/Day
VIC1
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
💡

82% 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.

82%
Solar Charging
18%
Grid Charging
7
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 3 | BOM Melbourne Olympic Park

What could you save in Cotham?

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Batteries in Cotham

Situated in CitiPower's service region, Cotham benefits from an average of 4.5 daily sunlight hours, positioning residents for reliable solar energy generation. The suburb's established housing stock and moderate solar zone make it an excellent location for homeowners considering battery storage to maximize renewable energy potential.

Cotham's leafy streetscapes and predominantly heritage single-story homes provide optimal north-facing roof angles perfect for solar panel orientation.

Cotham is served by CitiPower. With 4.5 average daily sun hours, a well-sized battery system can significantly reduce grid dependence and electricity costs.

Cotham 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

Victoria State Rebate

Victoria's Solar Homes battery rebate and interest-free loans are no longer available. Victorians can access the federal rebate.

  • The Victorian battery rebate (up to $2,950) closed in late 2024
  • The $8,800 interest-free loan closed in May 2025
  • Federal rebate (~$372/kWh in 2025, ~$3,720 for 10kWh) available from 1 July 2025
  • VIC solar panel rebate ($1,400) is still available for new hybrid systems
Victoria Energy Website

How much could you save with rebates?

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Battery Resources for Cotham

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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