Configure Your Project Inputs

To get an accurate forecast, input your current energy spend and available roof space. The calculator will automatically size a commercial solar PV system to match your consumption profile, ensuring you don't pay for capacity you don't need.

Annual Electricity Bill

Enter your total spend (£) excluding VAT and Climate Change Levy (CCL).

We use this to calculate your potential savings based on offsetting grid imports.

£5000
£
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Available Roof Space

Dropdown Options:

Small Unit (<500m²): Suitable for ~30kW - 50kW systems.

Medium Warehouse (<2000m²): Suitable for ~100kW - 250kW systems.

Large Industrial (>2000m²): Suitable for ~250kW - 1MW arrays.

Don't worry about exact measurements. Pick the category that best describes your facility.

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Current Tariff Rate

Check your latest utility bill. Most commercial contracts in Scotland are currently between 22p and 30p per kWh.

p / kWh
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Electricity used

percentage of electricity used during the daytime

%
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Show Advanced Settings

NO

YES

Model with Government Funding

Capital Expenditure (CapEx) should not be a barrier. Toggle the Business Energy Scotland Loan to see how government funding transforms the business case.

NO

YES

Cash Positive from Month 1

By utilizing the £100k interest-free loan and £20k cashback grant, you eliminate the upfront cost entirely.

£40,000

£0

Upfront CapEx

£416

(Fixed for 8 years)

Monthly Loan Repayment

£1,037

(Estimated)

Monthly Energy Savings

+£621

Net Monthly Benefit

Your energy savings cover the loan repayments with a surplus. You are effectively upgrading your infrastructure and increasing cash flow simultaneously, using the government's money.

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