Off-Grid

Please contact Negawatts Solar on 0407760838 for a VERY Competitive Price on a variety of Off-Grid Systems.

We can provide the best advice on Inverter Selection, and Battery type selection – Either Lead Acid Gel (no Maintenance) or Lithium.

Current Brands of Off-Grid Systems are :
SMA Sunny Island (German Made)Inverter/Charger – Off-Grid Only, Model 3.0M, 4.4M, 6.0H, 8.0H – with BYD Lithium B-Box (up to 80 kWh), or Lead Acid Gel Batteries.
Victron Inverter/Charger – Hybrid or Off-Grid, with BYD Lithium B-Box (up to 80 kWh), or Lead Acid Gel Batteries.
Schneider (Clipsal) Model SW & XW+ Inverter/Charger- Hybrid or Off-Grid with Lead Acid Gel Batteries.
Selectronic – Australian Made Inverter/Charger – Hybrid or Off-Grid with Lithium or Lead Acid Gel Batteries.

RECOMMENDED:
OFF-GRID SOLAR POWER SYSTEMS – NEW BUILD HOUSING

2/3 Bedroom – Base Model – 15kWh per day = $35,000
(Assumes Gas Cooktop and Oven, with Energy Efficient Design, and no Air Conditioning)
(Assumes Solar and Battery Room provided in House Design + Generator Location)

System Specs:
20 x 350 watt REC “Twin Peak” Solar panels (7.0 kW – Generates Average of 28kWh/day)
1 x SMA Sunny Island 8.0H-12, 6kW Off-Grid Inverter/Charger (11.5 kW Surge Rated)
1 x SMA 5kW Inverter – Model SB 5.0-1AV-40 (AC Coupled to Sunny Island)
2 x 10kWh BYD Battery Cabinets with 8 x 2.5kWh Lithium Modules (safe LiFePO4 Type)
(10 year warranty – 20 year design life)
1 x Auto-start Generator – Honda EG5500CXS – 5kVa including installation

Options:
1) Additional 7kW Solar Panels + 5kW SMA Inverter = +$7000
2) Additional 10kWh BYD Battery Cabinet = +$8000

4 Bedroom – Base Model – 25kWh per day = $50,000
(Assumes Gas Cooktop and Oven, with Energy Efficient Design, and Small Air Conditioner)
(Assumes Solar and Battery Room provided in House Design + Generator Location)

System Specs:
As Above, plus Option 1 (14 kW Solar Panels) + Option 2 (30kWh Battery Storage)