$25,999.00 Original price was: $25,999.00.$17,299.00Current price is: $17,299.00.
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The 1 x Tesla Powerwall 3 + 1 x Expansion – 28.8kWh is a high-capacity home energy storage solution designed to store excess solar energy for use when required. With 28.8kWh of total storage capacity, this configuration is suitable for homes with higher energy consumption and larger solar installations.
The system combines one Powerwall 3 with one expansion unit to provide additional storage capacity in a flexible configuration. It helps maximise solar self-consumption by storing surplus daytime generation for use during the evening, overnight, or periods of low solar production.
28.8kWh Total Storage Capacity – Provides substantial energy storage for larger household requirements.
1 Powerwall 3 + 1 Expansion – Combines the main Powerwall 3 unit with an additional storage expansion.
Solar Energy Storage – Stores excess solar generation for later use.
Backup Power Support – Can provide backup energy when installed and configured with compatible equipment.
Expandable Storage Solution – Provides additional capacity compared with a standalone Powerwall 3.
Smart Energy Management – Helps optimise the use of stored and solar-generated energy.
Residential Energy Storage – Designed for modern home solar and energy management applications.
The 28.8kWh Powerwall 3 system provides increased storage capacity for households with greater energy requirements. It helps store excess solar power for use when solar generation is low, improving solar self-consumption and reducing reliance on grid electricity. The additional expansion unit provides more usable storage, making this configuration a practical choice for homes with larger solar systems or higher energy demand.
Large homes with higher electricity consumption
Properties with medium to large solar PV systems
Households requiring increased battery storage
Customers looking to maximise solar self-consumption
Properties seeking greater energy independence
Homes requiring additional backup energy capacity
Residential solar systems with higher storage requirements
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See the images below for battery location guidelines and spacing required.

