Capital Solar Energy
Smart Battery Storage

Canberra Winter-Proof Storage Systems

Store excess daylight energy to run your home through freezing Canberra nights. Blackout protection, tariff arbitrage, and lifetime local support included.

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The Blackout & Arbitrage Advantage

Smart Storage That Pays for Itself

Battery storage lets you store cheap daytime solar and use it during expensive peak evening rates — or when the grid goes down. With ACT government loans and federal battery incentives, there's never been a better time to add storage.

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Home battery storage system
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Our Complete Battery Storage Lineup

We work with the best storage ecosystems in the market — configured specifically for Canberra's climate and energy tariffs.

Sigenstor 5-in-1★ Exceptional Quality

Sigenergy

Sigenstor 5-in-1

  • DC Coupled: Direct solar-to-battery link for the highest charging efficiency
  • AC Coupled: Connects via your switchboard — ideal for retrofitting existing solar
  • Single Phase: Built for standard residential homes with single-phase power
  • Three Phase: Ready for larger homes and properties with 3-phase supply
  • 8–48 kWh Storage: Fully modular, expandable up to 48 kWh
  • Smart Control: AI-driven energy optimisation built-in
  • EV Ready: Integrated EV charging capability
  • 5-in-1 Design: Solar + battery + inverter + EV charger + grid management

Ideal For: Modern households wanting a smart, expandable ecosystem with EV charging.

SBR Battery Series🏆 Best Warranty

Sungrow

SBR Battery Series

  • DC Coupled: Direct solar-to-battery link for the highest charging efficiency
  • AC Coupled: Connects via your switchboard — ideal for retrofitting existing solar
  • Single Phase: Built for standard residential homes with single-phase power
  • Three Phase: Ready for larger homes and properties with 3-phase supply
  • Modular Design: Expandable from 9.6 kWh to 25.6 kWh
  • LiFePO₄ Technology: Safe, reliable, long-lasting chemistry
  • 100% Usable Energy: Maximise stored solar for household use
  • High Efficiency: Up to 97% round-trip efficiency
  • 10-Year Warranty: One of the strongest in the market

Ideal For: Homes looking for a premium, scalable battery solution with excellent performance and reliability.

ESA 8.0kWh Module✓ Best Value

GoodWe

ESA 8.0kWh Module

  • DC Coupled: Direct solar-to-battery link for the highest charging efficiency
  • AC Coupled: Connects via your switchboard — ideal for retrofitting existing solar
  • Single Phase: Built for standard residential homes with single-phase power
  • Three Phase: Ready for larger homes and properties with 3-phase supply
  • 8 kWh Storage: Ideal for daily household energy use
  • All-in-One System: Battery + hybrid inverter combined
  • Backup Ready: Essential power during outages
  • Expandable Design: Scalable for future energy needs

Ideal For: Budget-conscious homeowners wanting reliable storage with room to grow.

ECS / EP Battery Series＋ Expandable

FoxESS

ECS / EP Battery Series

  • DC Coupled: Direct solar-to-battery link for the highest charging efficiency
  • AC Coupled: Connects via your switchboard — ideal for retrofitting existing solar
  • Single Phase: Built for standard residential homes with single-phase power
  • Three Phase: Ready for larger homes and properties with 3-phase supply
  • Modular Storage System: Easily expandable for residential and commercial use
  • LiFePO₄ Technology: Enhanced safety, long cycle life, thermal stability
  • Plug & Play Installation: Fast and straightforward setup
  • Long Service Life: Rated for over 6,000 charge/discharge cycles
  • 90–100% Depth of Discharge: More usable energy from every kWh stored

Ideal For: Homeowners seeking a cost-effective, expandable battery that integrates seamlessly with FoxESS hybrid inverters.

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