Solar Case Studies

20 Panels at 200 Watts

A finished Black Solar array installed on a single storey bungalow on grey slate, in a lovely setting.

  Assumptions 1. Cashback (FIT) revenue starts at 4.11 pence per kWh. 2. Export based on 5.03 pence per unit, based on 50% of generation. 3. Initial electricity costs of 15.2 pence (inc VAT). 4. RPI increases by 3% per annum. 5. Unit cost of electricity rises by OFGEM by estimate of 5.45%. 6.Manufacturers data on PV yield has been factored in.   

Price List and ROI Calculations   Installation cost   £5,725

 Predicted Generation (kWh / year) 3436   Year 1  £489 ROI %    8.5 

Year 5    £569 ROI %    9.9

 Year 10 £691 ROI %    12.1 

Year 20 £1,039 ROI %    18.1

 Total Income and revenue (20 years) £14,533  

16 Panels at 260 Watts

16 Mono solar panels installed on a slate roof. 4kw system.

  Assumptions 1. Cashback (FIT) revenue starts at 4.11 pence per kWh. 2. Export based on 5.03 pence per unit, based on 50% of generation. 3. Initial electricity costs of 14.8 pence (inc VAT). 4. RPI increases by 3% per annum. 5. Unit cost of electricity rises by OFGEM by estimate of 5.45%. 6. Manufacturers data on PV yield has been factored in.   

Price List and ROI Calculations Installation cost   £5,495 

Predicted Generation (kWh / year) 3573   

Year 1 £501 ROI % 9.1 

Year 5 £582 ROI % 10.6 

Year 10 £707 ROI %  12.9 

Year 20  £1,061 ROI %  19.3 

Total Income and revenue (20 years) £14,866  

10 Panels at 270 Watts

A small solar panel installation on the front of a pitched roof hipped roof.

  Assumptions 1. Cashback (FIT) revenue starts at 4.11 pence per kWh. 2. Export based on 5.03 pence per unit, based on 50% of generation. 3. Initial electricity costs of 16 pence (inc VAT). 4. RPI increases by 3% per annum. 5. Unit cost of electricity rises by OFGEM by estimate of 5.45%. 6. Manufacturers data on PV yield  has been factored in.  

 Price List and ROI Calculations Installation cost   £4,935 

Predicted Generation (kWh / year) 2448 

Year 1   £358 ROI %   7.3 

Year 5   £416 ROI %   8.5 

Year 10  £508 ROI %    10.3 

Year 20   £767 ROI %    15.5 

Total Income and revenue (20 years) £10,694     

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Call us on 01253 421 311 for your no obligation survey today. 

Why Energi House?

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Installation Explained

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Financial Benefits

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We explain the numbers clearly with no nonsense that you will understand. 

System Case Studies

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With so many different systems to choose from take a look at some installations.

FAQ's

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Testimonials

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