Case Study - BH9

With energy bills on the rise, Steve approached Save Energy UK to install a powerful and futureproof solar and battery system that would offset daily usage and secure long-term savings. With full-day occupancy and high self-sufficiency targets, a Tesla Powerwall-backed solution was the perfect fit.

Save Energy - Commercial

Requirements

The customer needed:

A powerful system to offset daily residential usage
A premium battery solution for night-time coverage
A clean, modern setup with minimal maintenance
Significant long-term financial savings

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Save Energy - Commercial

The Approach

We delivered a robust solar-plus-storage system featuring Q CELLS panels paired with the renowned Tesla Powerwall 3. With shading in mind, the panel layout and performance estimates were calculated conservatively while still ensuring strong annual returns.

System Overview:

19 x Q CELLS 435W panels (8.27 kW total)
1 x Tesla Powerwall 3 (13.5 kWh)
Estimated Generation: 5,146 kWh annually
Self-sufficiency with battery: 88%
Mounting: Tilt racks for 9 panels

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Performance

Solution

System Performance

Electricity Bill Savings

Net Financial Impact

Financial Projections

£75,606

Lifetime Electricity Bill Before Solar

£1,202

Estimated First Year Savings Excluding VAT

£47,457

Lifetime Electricity Bill Savings

£14,399

Lifetime Electricity Bill After Solar

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