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Commercial Solar Calculator

Calculate your commercial solar savings. Enter your electricity spend to see system size, costs, payback period, and 25-year returns. Free instant results.

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Calculate your potential savings with commercial solar panels. Enter your electricity bill to see system recommendations, estimated costs, payback period, and 25-year ROI for your UK business.

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Your Estimated Results

System Size

kW

Panels Required

~

Roof Space Needed

~m²

Estimated Cost

£ - £

Financial Summary

Environmental Impact

tonnes

CO2 Offset Per Year

Trees Equivalent

Calculation Assumptions

UK average solar irradiation: 900 kWh/kWp/year

Panel efficiency: 500W per panel

Self-consumption varies by business type

Export rate: 5p/kWh (SEG estimate)

* These are estimates for illustration purposes. Actual results depend on site-specific factors. Request a detailed survey for accurate projections.

Get Your Detailed Analysis

This calculator provides estimates. For accurate projections based on your specific site, request a free survey and detailed proposal.

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Highlights

  • Site-specific solar irradiation analysis
  • Roof structural assessment
  • Precise financial modelling
  • Financing options comparison
  • Grid connection assessment

Ready to Reduce Your Energy Costs?

Join hundreds of UK businesses already benefiting from commercial solar. Get your free site survey and quote today.

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Accreditations
MCS Certified
RECC Member
ISO 9001
TrustMark

Specialist commercial solar across every UK property type

The Commercial Solar Panels Installation hub links to dedicated specialist teams for every sector.

Manufacturing site decision-makers should visit our specialist factory solar PV installers. For 3PL and distribution centres, we operate a dedicated team of commercial warehouse solar specialists. Schools, MATs and academy trusts can engage our education-sector solar PV team. Independent hotels, branded chains, and group operators all use our hospitality solar installers. For NHS Trusts and private healthcare, we operate NHS-aware healthcare solar specialists. Parishes, dioceses, and Faculty-bound listed places of worship use our church and faculty-jurisdiction solar specialists. Farms, estates, and agricultural businesses should explore our agricultural and farm solar PV team. Operators with high uptime SLAs should engage our data centre solar microgrid team. SMEs and small commercial operators should use our small-and-mid-sized commercial solar team. For pricing across every property type, see our transparent commercial solar cost guide. Zero-capital, asset finance, and PPA routes are managed by our commercial solar finance and PPA team.