Typical Commercial Systems

Note: All ratings calculated with SAP 2009 at optimum angle and orientation

15KWp Pv System (south facing roof)

Key Features

Fully installed 15KWp system from £24,995  + 20% VAT.

This system will produce approximately 12,876 KW hours per year.

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Payback Facts

NIROC payment/year: £2,197
Electricity saved assuming 0.11p per/unit £1,416
Electricity exported back to grid at 0%: £0
Total Annual Income/year: £3,613
Payback: 6 years
ROI: 14.5%
20 year income & savings (3%inflation rate): £92,436

20KWp Pv System (south facing roof)

Key Features

Fully installed 20KWp system from £29,995  + 20% VAT.

This system will produce approximately 17,168 KW hours per year.

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Payback Facts

NIROC payment/year: £2,929
Electricity saved assuming 0.11p per/unit £1,888
Electricity exported back to grid at 0%: £0
Total Annual Income/year: £4,817
Payback: 5 years
ROI: 16.1%
20 year income & savings (3%inflation rate): £123,247

50KWp Pv System (south facing roof)

Key Features

Fully installed 50KWp system from £69,995  + 20% VAT.

This system will produce approximately 42,920 KW hours per year.

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Payback Facts

NIROC payment/year: £7,322
Electricity saved assuming 0.11p per/unit £4,721
Electricity exported back to grid at 0%: £0
Total Annual Income/year: £12,043
Payback: 5 years
ROI: 17.2%
20 year income & savings (3%inflation rate): £308,119