Solar Savings CalculatorSTEP 1 OF 6
What type of property is this?
This helps us estimate your available roof space
How Our Calculator Works
Data Sources
- -Electricity Rates: Ofgem Q4 2025 price cap (26.35p/kWh)
- -Installation Costs: DESNZ 2024/25 median (£1,846-£2,108/kW)
- -Solar Yield: PVGIS Yorkshire data (~900 kWh/kWp/year)
- -SEG Rates: Current supplier tariffs (5p-25p/kWh)
Calculation Factors
- -Roof Orientation: South 100%, SE/SW 96%, E/W 82%
- -Self-Consumption: 30-45% without battery, 65-85% with
- -Panel Degradation: 0.5% annual efficiency loss
- -Inflation: 4% annual electricity price increase
* All estimates are indicative only. Final pricing and savings projections require a professional site survey. Actual results may vary based on weather patterns, energy usage habits, and future tariff changes.
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hello@yeers.co.uk
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Office 4, Blanket Row, Hull, HU1 1TB