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2kW Grid-Tied Photovoltaic system, installed. £6,200 A 2.07 kilowatt system consisting of 9 x 230W panels covering an area of 14.6 m2 and should generate approximately 2146 kilowatt hours per annum*. Savings on electricity purchase on 2146 units at 13p per unit (50% usage) = £173 FIT payment on 2146 units of electricity at 21p per unit = £451 Total return = £623 per annum.  Annual return as % of capital invested =14.23% Click for full cost-benefit analysis.   Peak Power Annual kWh FIT income Tot saving Sys Cost ROI 2.0kW 2146 £451 £623 £6,200 14.2% Typical system spec: 8 x Yingli Panda 250W Mono Panels, Power One Aurora PVI2000 Inverter

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2.5kW Grid-Tied Photovoltaic system, installed. £7,312 A 2.50 kilowatt system consisting of 10 x 250W panels covering an area of 17.8 m2 and should generate approximately 2682 kilowatt hours per annum*. Savings on electricity purchase on 2682 units at 13p per unit (50% usage) = £174 FIT payment on 2682 units of electricity at 21p per unit = £563 Export payment of 3p per unit for 2172x50% = £41 Total return = £779 per annum.  Annual return as % of capital invested = 15.3% Click for full cost-benefit analysis. Peak Power Annual kWh FIT income Tot saving Sys Cost ROI 2.50kW 2682 £563 £779 £7312 15.3% Typical system spec: 10 x Yingli Panda 250W Mono Panels,  SMA Sunnyboy SB2500 Inverter

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3kW Grid-Tied Photovoltaic system, installed. £8,250 A 3.0 kilowatt system consists of 12 x 250W panels covering an area of 21.1 m2 and should generate approximately 3219 kilowatt hours per annum*. Savings on electricity purchase on 3219 units at 13p per unit (50% usage)= £209 FIT Payment on 3219 units of electricity at 21p per unit = £676 Export payment of 3p per unit for 3219x50% = £50 Total return = £935 per annum.  Annual return as % of capital invested = 16.6%. Click for full cost-benefit analysis. Peak Power Annual kWh FIT income Tot saving Sys Cost ROI 3.00kW 3219 £676 £935 £8,250 16.55% Typical system spec: 12 x Yingli Panda 250W Mono Panels  Power One Aurora PVI3.0_OUT Inverter

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3.6kW Grid-Tied Photovoltaic system, installed. £10,170 A 3.60 kilowatt system consists of 15 x 240W panels covering an area of 24.4 m2 and should generate approximately 3863 kilowatt hours per annum*. Savings on electricity purchase on 3863 units at 13p per unit (50% usage)= £251 Payment on 3863 units of electricity at 21p per unit = £811 Export payment of 3p per unit for 3090x50% = £60 Total return = £1122 per annum.  Annual return as % of capital invested = 16.0%. Click for full cost-benefit analysis         Peak Power Annual kWh FIT income Tot saving Sys Cost ROI 3.60kW 3863 £811 £1122 £10,170 16.0% Typical system spec: 15 x UP Solar 240W Poly Panels, Power One Aurora PVI3.6_OUT Inverter              Note: above installation used more, smaller panels due to geometry of roof.

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4.0kW Grid-Tied Photovoltaic system, installed. £10,500 A 4.0 kilowatt system consists of 16 panels covering an area of 27.7 m2 and should generate approximately 4292 kilowatt hours per annum*. Export payment of 3p per unit for 4292x50% = £66 Savings on electricity purchase on 3433 units at 13p per unit (50%) = £279 Payment on 4292 units of electricity at 21p per unit = £901 Total return = £1246 per annum.  Annual return as % of capital invested = 17.5%. Click for full cost-benefit analysis Peak Power Annual kWh FIT income Tot saving Sys Cost ROI 4.0 4292 £901 £1247 £10,500 17.5% Typical system spec: 16 x  Yingli Panda 250W Mono Panels, Power One Aurora PVI3.6_OUT Inverter (System restricted to 16A max output)

The above systems are popular configurations for our most commonly requested system sizes.  If you have a preference for different manufacturers/spec we can amend our quotation accordingly, However this usually results in higher system cost.  Prices are subject to survey.

Manufacturers which we regularly use: Sharp, Hyundai, Yingli, UP Solar, Vikram Solar, Suntech, Kyocera, Mage Solar, PowerOne, SMA, Fronius, Schott, Landis Gyr, Kraus Naimer,

*The performance of solar energy systems is impossible to predict with certainty due to the variability in the amount of solar radiation (sunlight) from location to location and from year to year. The above estimates are based upon the Government's standard assessment procedure for energy rating of buildings (SAP) and are given as guidance only. they should not be considered as a guarantee of performance.  The above projections assume that all the electricity is consumed (more likely for smaller systems).  If less of the generated electricity is used the total savings will be slightly lower.  The FIT income is unaffected by whether the electricity generated is consumed in the household or fed into the grid (you are paid for exporting half of what you generate, regardless of whether you export it or use it.  Obviously you get more benefit if you use it all).