Outstanding performance with one of our shortest payback periods of all our installations

In-roof 15kW solar installation

A 15 kW recessed in-roof system using two 8 kW SolarEdge inverters. The design prioritises performance and visual appearance, with an optimised projected payback of under four years.

The client wanted maximum solar output but to fit in with the roof. An in-roof system with recessed trays was chosen to deliver a clean, integrated finish without compromising generation.

A new slate roof covering was updated. The property roof was south facing but in a valley.

Our Solution

  • In-roof (recessed) tray system for a low-profile look.

  • 2 × 8 kW SolarEdge inverters paired to a 15 kW array.

Payback time

  • System specification fine-tuned for an optimal payback period of under 4 years.

Results

  • Summer generation (projected)
    65 kWh/day on average.

  • Summer generation (observed) regularly up to 100 kWh/day.

  • Aesthetics
    integrated, recessed appearance.

  • Payback
    optimised to <4 years.

At a glance

System size
15 kW

Inverters
2 × 8 kW SolarEdge

Mounting
In-roof recessed trays

Payback (optimised)
Under 4 years

Summer output (projected)
65 kWh/day (avg)

Summer output (observed)
Up to 100 kWh/day

Client quote

We’re delighted with the workmanship and the whole installation. The panels look great and we’re thrilled with how much energy we’re producing. Our electricity bills were very high and now we are very much closer to being energy independent, without the worry of extortionate electricity bills that otherwise seem to keep going up and up.

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Dawlish | South Devon 2.0kW solar system upgrade