Case Study - GU21 - James

James Agar reached out to Save Energy UK in search of a premium, future-ready solar and battery system. With a focus on high generation potential and reliable storage, the solution we delivered combines cutting-edge technology with strong environmental and financial impact—all wrapped in one sleek, Tesla-powered package.

Save Energy - Commercial

Requirements

James required:

A high-capacity system to significantly reduce reliance on grid electricity
Smart storage for efficient night-time usage
Top-tier components and modern design
Rapid payback and strong net savings over the system’s life

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Save Energy - Commercial

The Approach

We designed a 22-panel Aiko system combined with a Tesla Powerwall 3. With excellent panel orientation and carefully calculated shading allowances, this setup delivers exceptional self-sufficiency and export potential throughout the year.

System Overview:

22 x Aiko 510W panels (11.22 kW total)
1 x Tesla Powerwall 3.0 (11.04 kW hybrid inverter built-in)
Battery Capacity: 13.5 kWh
Estimated Generation: 8,761 kWh annually
Self-sufficiency with battery: 82%
Shading Losses: 12.2% (adjusted performance guarantee ≥90%)

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Performance

Solution

System Performance

Electricity Bill Savings

Net Financial Impact

Financial Projections

£77,773

Lifetime Electricity Bill Before Solar

£1,559

Estimated First Year Savings Excluding VAT

£39,588

Lifetime Electricity Bill Savings

£22,985

Lifetime Electricity Bill After Solar

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