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16.63 kW Solar and 41.6 kWh Battery Installation in Lewiston, SA

35 LONGi panels, a 20 kW GoodWe inverter and five battery modules set up for full house backup, replacing the existing system, with a sunshade over the battery.

Lewiston, SAResidential16.625 kW41.6 kWhCompleted September 2026
16.63 kW Solar and 41.6 kWh Battery Installation in Lewiston, SA

The project at a glance

Location
Lewiston, SA
Completed
September 2026
Type
Residential
Solar
16.625 kW
Inverter
GoodWe ESA GW20K-ETA-G20
Battery
41.6 kWh
Backup
Full house backup
Roof
Tin
Brands
GoodWe, LONGi

About this solar installation in Lewiston

Full house backup was the request at this Lewiston property, which also had an old solar system due for replacement. We removed the existing system and put the new inverter and battery in the same place as the old equipment.

The new array is 35 LONGi Hi-MO X10 Explorer 475 W panels, 16.625 kW, on a grey corrugated metal roof. A GoodWe ESA GW20K-ETA-G20 inverter rated at 20 kW runs it, with five GoodWe GW8.3-BAT-D-G20 battery modules totalling 41.6 kWh.

The battery is fixed to a brick wall above a concrete slab, with an isolator box beside it. We supplied and installed a sunshade above it.

The board was already blackout protection ready, so no switchboard upgrade was needed. The house stays powered through an outage.

What we installed

  • Solar panels35 x LONGi Hi-MO X10 Explorer LR7-54HVH-475M 475 W
  • InverterGoodWe ESA GW20K-ETA-G20, 20 kW
  • Battery5 x GoodWe GW8.3-BAT-D-G20, 41.6 kWh
  • SunshadeInstalled above the battery
  • BackupFull house backup, board already blackout protection ready
  • RackingClenergy racking to suit the roof

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