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Case Study - SP11

Case Study - SP11

The customer partnered with Save Energy UK to reduce his electricity bills and gain greater energy independence. With an all-day home occupancy profile and ample roof space, we delivered a smart hybrid solar and battery solution tailored for efficiency, performance, and longevity.

800+
Five-star reviews
9.98/10
Checkatrade rating
5,000+
Installs complete
21+ years of expertise
GENERATE SOLAR POWER
Savings
REDUCE YOUR ENERGY COSTS
Environment
ENHANCE YOUR GREEN CREDENTIALS
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    Requirements

    Requirements

    The customer needed:

    • A high-yield rooftop solar PV system

    • Smart battery storage to cover night-time use

    • A system with low maintenance and strong ROI

    • Minimal shading losses and high self-sufficiency

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    The Approach

    The Approach

    We proposed a Q CELLS-based hybrid solar and battery solution with 18 high-efficiency panels and smart battery storage. Thanks to a dual-aspect layout and shading consideration, the system is designed to achieve a 93% self-sufficiency rate while generating 5,910 kWh annually.

    System Overview:

    • 18 x Q CELLS 435W panels (7.83 kW total)

    • 1 x Q.VOLT H4.6S inverter

    • 1 x Q.HOME CORE H4 battery (6.86 kWh usable)

    • Estimated Generation: 5,910 kWh annually

    • Self-sufficiency with battery: 93%

    • Shading losses: 7% (performance guarantee ≥90%)

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    Performance

    £58,329
    Lifetime Electricity Bill Before Solar
    £1,114
    Estimated First Year Savings Excluding VAT
    £40,971
    Lifetime Electricity Bill Savings
    £6,859
    Lifetime Electricity Bill After Solar

    Payback - 8 years, 2 months

    *Figures shown are dependent on kWh generation, usage and initial cost of installation.

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