Case Study — Residential

Patumahoe, Auckland — 5kW Compact Solar Installation

Proof that even compact systems deliver real impact — smart solar for smaller homes and tighter budgets.

Compact System Auckland, NZ

System at a glance

5kW
System capacity
Trina Solar
High-efficiency panels
Hybrid
Inverter
5kWh
Scalable battery

Small roof, limited budget — but still determined to save

This Patumahoe homeowner was feeling the squeeze of rising living costs, with electricity bills climbing every quarter. But with a smaller roof and a tighter budget, they weren't sure if solar was a realistic option for them.

They needed a cost-effective system that would deliver meaningful savings without overcommitting financially — with the flexibility to expand later as their budget allowed.

Key Pain Points

  • Limited roof space for panel placement
  • Tight budget — needed a cost-effective entry point
  • Rising electricity costs with no relief in sight
  • Wanted a system that could grow over time

High-efficiency panels + scalable storage for maximum value

We designed a compact but capable system using high-efficiency panels to get the most output from limited roof space, paired with a 5kWh battery that can be expanded later.

Compact 5kWh scalable battery installation at Patumahoe home
High-Efficiency Panels
Trina Solar panels selected for maximum output per square metre — ideal for small roofs
5kWh Scalable Battery
Start small and expand later — add more battery capacity as your budget allows
Cost-Effective Design
Right-sized system that delivers meaningful savings without overspending upfront

Immediate bill relief and a smart long-term setup

From the first month, the homeowner noticed a real difference in their power bills. The system covers the majority of their daytime consumption, with the battery handling evening usage — and they have the option to expand capacity whenever they're ready.

Immediate
Bill relief from the first billing cycle
Noticeable
Monthly savings on electricity
Expandable
Battery ready to scale when needed

Key Insight

"No system is too small to make a difference."

— Apollo Energy Team

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