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Test Solar
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ORBEM RENEWABLES
Solar PV Directors Board Pack
Company or site name
Email address for the PDF
Annual electricity consumption
kWh per year
Current electricity price
£ per kWh
System size
kWp
Business operating days
7 days per week - 100%
6 days per week - 86%
5 days per week - 71%
4 days per week - 57%
3 days per week - 43%
2 days per week - 29%
1 day per week - 14%
Location yield zone
Scotland & North - 934 kWh/kWp
North England / Yorkshire - 980 kWh/kWp
Midlands - 1,020 kWh/kWp
South & Wales - 1,075 kWh/kWp
South Coast - 1,135 kWh/kWp
Custom yield - enter kWh/kWp
Custom SAP / yield figure
kWh/kWp, if supplied by surveyor or PV designer
Export tariff
£ per exported kWh, optional
Locked install rate:
£710 per kWp
I understand this is an indicative board-pack estimate and not a final technical survey.
Email PDF board pack
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ORBEM RENEWABLES
Solar Photovoltaic Investment Report
Your Site
Prepared
25 July 2026
System capacity
100 kWp
SAP yield
1,020 kWh/kWp
Total investment
£71,000
Simple payback
6 yrs
IRR
21.1%
NPV @ 3%
£237,331
20-yr ROI
522%
Solar demand offset
29%
Solar energy used on site
72,857 kWh
Year
Total benefit
Cumulative position
CO2 saved
