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Case Study - BH21

Case Study - BH21

The customer approached Save Energy UK looking to reduce household electricity costs and gain greater control over long-term energy spending.

A tailored solar PV and battery storage system was designed to offset the majority of annual electricity usage, reduce reliance on the national grid, and deliver strong financial savings over the system lifetime.

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9.98/10
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5,000+
Installs complete
21+ years of expertise
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    Requirements

    Requirements

    The customer wanted:

    • A compact and efficient solar PV system suited to the property

    • Battery storage to maximise on-site use of generated solar energy

    • Reduced exposure to rising electricity prices

    • Clear, transparent financial projections showing long-term value

    • A professionally installed system using reliable, proven technology

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    The Approach

    The Approach

    We designed a bespoke solar and battery solution tailored to the property’s energy usage and roof layout, ensuring strong annual generation while maximising self-consumption.

    The system was carefully specified to balance performance, affordability, and long-term financial return, helping the customer benefit both immediately and over the lifetime of the installation.

    System Overview

    • 4.5kWp solar PV system
      10 × 450W Hengdian Group DMEGC Magnetics panels (DM450M10RT-54HBB)

    • Estimated annual generation:
      4,419 kWh per year

    • 5kW hybrid inverter
      1 × EcoFlow PowerOcean single-phase inverter

    • 4.845kWh battery storage capacity
      1 × EcoFlow PowerOcean LFP battery pack

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    Performance

    £85,068
    Lifetime Electricity Bill Before Solar
    £993.00
    Estimated First Year Savings Excluding VAT
    £51,449
    Lifetime Electricity Bill Savings
    £33,619
    Lifetime Electricity Bill After Solar

    Payback - 7 years

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

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