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11.4 kW Solar and 24.96 kWh Battery Installation in Castaways Beach, QLD

An 11.4 kW LONGi solar array and three GoodWe batteries with full house backup, replacing the existing solar system, which we removed.

Castaways Beach, QLDResidential11.4 kW24.96 kWhCompleted July 2026
11.4 kW Solar and 24.96 kWh Battery Installation in Castaways Beach, QLD

The project at a glance

Completed
July 2026
Type
Residential
Solar
11.4 kW
Inverter
GoodWe ESA GW9.999K-EHA-G20
Battery
24.96 kWh
Backup
Full house backup
Roof
Tin
Brands
GoodWe, LONGi

About this solar installation in Castaways Beach

The old solar system came off first. At this Castaways Beach home we decommissioned and removed the existing system, and its components were recycled or donated.

Then the new one went on: 24 LONGi Hi-MO X10 Explorer panels (LR7-54HVH-475M) at 475 W each, an 11.4 kW array on the white corrugated metal roof, next to the solar hot water collector. The inverter is a GoodWe ESA GW9.999K-EHA-G20 rated at 10 kW. Three GoodWe GW8.3-BAT-D-G20 batteries add 24.96 kWh, each rated at 8 kWh usable, and the white battery stands against a garage wall.

The house backup allowance is for the full house, so the home keeps power through an outage.

What we installed

  • Solar panels24 x LONGi Hi-MO X10 Explorer LR7-54HVH-475M 475 W, 11.4 kW
  • InverterGoodWe ESA GW9.999K-EHA-G20, 10 kW
  • Battery3 x GoodWe GW8.3-BAT-D-G20, 24.96 kWh
  • BackupFull house backup
  • Old systemExisting solar decommissioned and removed, components recycled or donated

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