Solar & Battery Packages - Goliath Solar & Electrical
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Solar System
& Battery Package Prices

At Goliath Solar & Electrical we believe in honesty and transparency, that’s why we are one of only a few companies in Adelaide to publicly list our solar system and solar battery package price guide.

Have a squiz, then contact us to get a free, precise quote that matches your install specifics. Simply drop in your details to our Get A Solar Quote form, or call us on 7073 3834.

SOLAR SYSTEM +
TESLA POWERWALL 3 - Price subject to approval of federal battery rebate applied and June 2026 install

Canadian Solar Panels
& Tesla Powerwall 3 with inbuilt 5kW single phase inverter and battery
Inverter
<b>SOLAR SYSTEM +</b><br> TESLA POWERWALL 3 - Price subject to approval of federal battery rebate applied and June 2026 install Canadian Solar Panels (PDF) Tesla Powerwall 3 Inverter (PDF) Tesla Powerwall 3 (PDF)

8.93kW + Tesla Powerwall 3

  • 19x Canadian Solar 470W Panels ($800 more to upgrade to Aiko 490w) 
  • Tesla Powerwall 3 – 5kW – 10kW inverter
  • TESLA POWERWALL 3
  • TESLA GATEWAY 2
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$17,600* Out of pocket price (after estimated battery rebate applied & Tesla Visa debit offer)

$3,000 ESTIMATED SAVINGS P/A

11.75kW + Tesla Powerwall 3

  • 25 X Canadian Solar 470W Panels ($1,000 more to upgrade to Aiko 490w) 
  • Tesla Powerwall 3 – 5kW – 10kW inverter
  • TESLA POWERWALL 3
  • TESLA GATEWAY 2
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$18,600* Out of pocket price (after estimated battery rebate applied & Tesla Visa debit offer)

$3,500 ESTIMATED SAVINGS P/A

16.45kW + Tesla Powerwall 3

  • 35 X Canadian Solar 470W Panels ($1,300 more to upgrade to Aiko 490w) 
  • Tesla Powerwall 3 – 5kW – 10kW inverter
  • TESLA POWERWALL 3
  • TESLA GATEWAY 2
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$19,900* Out of pocket price (after estimated battery rebate applied & Tesla Visa debit offer)

$4,500 ESTIMATED SAVINGS P/A

19.74kW + Tesla Powerwall 3 + Tesla Expansion pack

  • 42 X Canadian Solar 470W Panels ($1,600 more to upgrade to Aiko 490w) 
  • Tesla Powerwall 3 – 5kW – 10kW inverter
  • TESLA POWERWALL 3 + TESLA EXPANSION PACK
  • TESLA GATEWAY 2
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$29,990* Out of pocket price (after estimated battery rebate applied & Tesla Visa debit offer)

$6,000+ ESTIMATED SAVINGS P/A

SOLAR SYSTEM +
BYD BATTERY - Price subject to approval of federal battery rebate applied and June 2026 install

Canadian Solar Panels
& Fronius Gen 24
Inverter
<b>SOLAR SYSTEM +</b><br> BYD BATTERY - Price subject to approval of federal battery rebate applied and June 2026 install Canadian Solar Panels (PDF) Fronius Primo Gen 24 Single Phase Inverter (PDF) BYD BATTERY-BOX PREMIUM HVS / HVM (PDF) Fronius SYMO Gen 24 Three Phase Inverter (PDF)

8.46kW + BYD 11.04kWh

  • 18 x Canadian Solar 470W Panels ($750 more to upgrade to Aiko 490w) 
  • FRONIUS 8kW GEN 24 INVERTER
  • FRONIUS SMART METER
  • BYD 11.04kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$18,350 Out of pocket price (after estimated battery rebate applied)

$2,700 ESTIMATED SAVINGS P/A

10.81kW + BYD 13.8kWh

  • 23x Canadian Solar 470W Panels ($900 more to upgrade to Aiko 490w) 
  • FRONIUS 8kW GEN 24 INVERTER
  • FRONIUS SMART METER
  • BYD 13.8kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$20,990 Out of pocket price (after estimated battery rebate applied)

$3,500 ESTIMATED SAVINGS P/A

14.1kW + BYD 13.8kWh

  • 30 x Canadian Solar 470W Panels ($1,200 more to upgrade to Aiko 490w) 
  • FRONIUS 10kW GEN 24 INVERTER
  • FRONIUS SMART METER
  • BYD 13.8kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$24,990 Out of pocket price (after estimated battery rebate applied)

$3,900 ESTIMATED SAVINGS P/A

14.88kW + BYD 16.56kWh

  • 32 x Canadian Solar 465W Panels ($1,400 more to upgrade to Aiko 490w) 
  • FRONIUS 10kW GEN 24 INVERTER
  • FRONIUS SMART METER
  • BYD 13.8kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$28,500 Out of pocket price (after estimated battery rebate applied)

$4,200 ESTIMATED SAVINGS P/A

17.86kW + BYD 22.1kWh

  • 38 x Canadian Solar 470W Panels ($1,500 more to upgrade to Aiko 490w) 
  • FRONIUS 12kW GEN 24 INVERTER
  • FRONIUS SMART METER
  • BYD 22.1kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$31,500 Out of pocket price (after estimated battery rebate applied)

$4,800 ESTIMATED SAVINGS P/A

SOLAR SYSTEM +
SIGENERGY BATTERY - Price subject to approval of federal battery rebate applied and June 2026 install

Canadian Solar Panels
& Sigenergy Controller
Inverter
<b>SOLAR SYSTEM +</b><br> SIGENERGY BATTERY - Price subject to approval of federal battery rebate applied and June 2026 install Canadian Solar Panels (PDF) Sigenergy Single Phase Inverter (PDF) Sigenergy Three Phase Inverter (PDF)

8.075kW + Sigenergy 18kWh - Single Phase

  • 17x Canadian Solar 475W Panels ($950 more to upgrade to Aiko 490w) 
  • 8kW SigenStor Single phase Inverter
  • Sigenergy 18kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10m+ from the meter box and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$17,500 Out of pocket price (after estimated battery rebate applied)

$3,900 ESTIMATED SAVINGS P/A

13.63kW + Sigenergy 27kWh - Single Phase

  • 29x Canadian Solar 470W Panels ($1,400 more to upgrade to Aiko 490w) 
  • 10kW SigenStor Single phase Inverter
  • Sigenergy 27kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10 m+ from the meter box, and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$19,900 Out of pocket price (after estimated battery rebate applied)

$4,400 ESTIMATED SAVINGS P/A

15.98kW + Sigenergy 36kWh - Single Phase

  • 34x Canadian Solar 470W Panels ($1,350 more to upgrade to Aiko 490w) 
  • 10kW SigenStor Single phase Inverter
  • Sigenergy 36kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10 m+ from the meter box, and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate o
FROM

$23,500 Out of pocket price (after estimated battery rebate applied)

$5,000 ESTIMATED SAVINGS P/A

15.98kW + Sigenergy 27kWh - Three Phase

  • 34x Canadian Solar 470W Panels ($1,350 more to upgrade to Aiko 490w) 
  • 10kW SigenStor Single phase Inverter
  • Sigenergy 24kWh BATTERY
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10 m+ from the meter box, and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$21,500 Out of pocket price (after estimated battery rebate applied)

$4,900 ESTIMATED SAVINGS P/A

18.8kW + Sigenergy 36kWh Three Phase

  • 40x Canadian Solar 470W Panels ($1,600 more to upgrade to Aiko 490w) 
  • 15kW SigenStor Three phase Inverter
  • Sigenergy 36kWh BATTERY (23.4kWh usable)
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10 m+ from the meter box, and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$25,000 Out of pocket price (after estimated battery rebate applied)

$6,500 ESTIMATED SAVINGS P/A

23.5kW + Sigenergy 45kWh Three Phase

  • 50x Canadian Solar 470W Panels ($1,900 more to upgrade to Aiko 490w) 
  • 20kW SigenStor Three phase Inverter
  • Sigenergy 45kWh BATTERY (39kWh usable)
  • INSTALLATION BY GOLIATH IN-HOUSE INSTALLERS
  • Prices indicated are total out-of-pocket costs based on a single-storey, colour bond roof installation and include the STC discount.
  • Please note that tiled roofs cost an extra $35+ per kW in materials and labour. Extras are also charged for three-phase homes, multi-storey roofs, long cable runs, installations over more than one roof section if the battery is 10 m+ from the meter box, and bollards are required when installed in the garage
  • *Price based on estimated government battery rebate
FROM

$29,600 Out of pocket price (after estimated battery rebate applied)

$8,000 ESTIMATED SAVINGS P/A

*Special Details For All Packages:

  1. Installation by Goliath Solar & Electrical Team, no contractors!Canadian Solar Panels Model Number CS6.2-48TD-470w
  2. Annual savings based on AGL  Solar Savers electricity plan and real-world usage, and avergare 70% charge and discharge.
  3. Includes an option for either Fronius Primo Gen 24 Inverter (single phase) with Fronius smart energy meter or Fronius Symo Gen 24 Inverter (three phase).
  4. Canadian Solar Panels Model Number CS6.2-48TD-470w
  5. Supply and Install of Tesla Powerwall 3.
  6. Supply and Installation of Tesla Gateway 2.
  7. Supply and installation of Sigenergy SigenStor controller + battery stack and the Gateway

* Prices indicated are based on a single-phase install

Extras could apply for installation in garages, three-phase homes, installations greater than 10m from the main switchboard, and work associated with blackout protection. This could add $300 – $1,500+ to current website listed pricing and would be confirmed after a site inspection by one of Goliath Solar & Electrical’s solar and battery endorsed electricians.

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