Highton: 17.39 kW solar + SigenStor 48.4 kWh battery (February 2026)

Posted October 18, 2026

A 17.39 kW solar system and a 48.4 kWh Sigenergy SigenStor battery built into a new two-storey home in Highton, with seven months of measured results.

Location: Highton, Geelong
Switched on: February 2026
System: 17.39 kW solar with a 48.4 kWh Sigenergy SigenStor battery (three-phase) on a new two-storey home

A local homeowner in Highton had our team fit a 17.39 kW solar system and a 48.4 kWh Sigenergy SigenStor battery to their new two-storey home. The system runs on a three-phase supply and was switched on in February 2026.

Because the home was a new build, the cabling was pre-wired through the house to its final locations. Scaffolding was used for safe roof access.

17.39 kW

of AIKO solar panels

48.4 kWh

Sigenergy SigenStor battery

9,417 kWh

generated in seven months

47%

of a high-use home’s power from solar and battery

What the homeowner wanted

A large solar and battery system built into a new home from the start, sized for a household with high electricity use.

What we installed

37 x AIKO 470 W black-frame solar panels (17.39 kW)
Sigenergy SigenStor EC 15.0 TP 15 kW three-phase hybrid inverter
SigenStor battery: 6 x 8.06 kWh modules, 48.4 kWh in total
Sigenergy three-phase gateway
Installed by our team: designed and installed by our installation team.

Results so far

From 1 March to 30 September 2026, covering autumn and winter, the system generated 9,417 kWh of solar energy, and the battery discharged 4,043 kWh into the home.

This is a high-use household: the home used 18,608 kWh over those seven months. Solar and battery covered about 47% of that use, with 9,914 kWh drawn from the grid.

Source: Sigenergy monitoring data for this system, 1 March to 30 September 2026, read on 18 October 2026.

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