| System |
Power |
Est Outlay |
Feed-In & Savings |
Pay back time |
Profit over 25yrs |
|
| 14 x Mitsubishi PV-TD185MF5 |
2.59kWp | £ 7,952.13 |
£ 585.98pa |
10y 8m |
£ 19,884.54 |
detailed calc » |
Annual breakdown for a 2.59kWp system of 14 x 185Wp panels Facing S @ 35° in a central UK location permits generation of 2,089kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,089kWh x 21.00p = £ 438.62 |
1,358kWh x 3.10p = £ 42.09 |
731kWh x 14.40p = £ 105.27 |
£ -7,366.15 |
| 2 |
2,089kWh x 21.75p = £ 454.32 |
1,358kWh x 3.21p = £ 43.59 |
731kWh x 15.84p = £ 115.79 |
£ -6,752.45 |
| 3 |
2,088kWh x 22.53p = £ 470.48 |
1,357kWh x 3.33p = £ 45.14 |
731kWh x 17.42p = £ 127.34 |
£ -6,109.49 |
| 4 |
2,087kWh x 23.34p = £ 487.10 |
1,357kWh x 3.45p = £ 46.74 |
730kWh x 19.17p = £ 140.00 |
£ -5,435.64 |
| 5 |
2,085kWh x 24.18p = £ 504.16 |
1,355kWh x 3.57p = £ 48.38 |
730kWh x 21.08p = £ 153.88 |
£ -4,729.23 |
| 6 |
2,083kWh x 25.04p = £ 521.64 |
1,354kWh x 3.70p = £ 50.05 |
729kWh x 23.19p = £ 169.08 |
£ -3,988.45 |
| 7 |
2,080kWh x 25.94p = £ 539.53 |
1,352kWh x 3.83p = £ 51.77 |
728kWh x 25.51p = £ 185.71 |
£ -3,211.45 |
| 8 |
2,076kWh x 26.87p = £ 557.81 |
1,349kWh x 3.97p = £ 53.52 |
727kWh x 28.06p = £ 203.89 |
£ -2,396.22 |
| 9 |
2,071kWh x 27.83p = £ 576.47 |
1,346kWh x 4.11p = £ 55.31 |
725kWh x 30.87p = £ 223.76 |
£ -1,540.67 |
| 10 |
2,065kWh x 28.83p = £ 595.48 |
1,343kWh x 4.26p = £ 57.14 |
723kWh x 33.95p = £ 245.46 |
£ -642.60 |
| 11 |
2,059kWh x 29.86p = £ 614.83 |
1,338kWh x 4.41p = £ 58.99 |
721kWh x 37.35p = £ 269.13 |
£ 300.35 |
| 12 |
2,051kWh x 30.93p = £ 634.48 |
1,333kWh x 4.57p = £ 60.88 |
718kWh x 41.08p = £ 294.94 |
£ 1,290.66 |
| 13 |
2,042kWh x 32.04p = £ 654.43 |
1,328kWh x 4.73p = £ 62.79 |
715kWh x 45.19p = £ 323.05 |
£ 2,330.93 |
| 14 |
2,033kWh x 33.19p = £ 674.62 |
1,321kWh x 4.90p = £ 64.73 |
711kWh x 49.71p = £ 353.65 |
£ 3,423.93 |
| 15 |
2,022kWh x 34.38p = £ 695.04 |
1,314kWh x 5.08p = £ 66.69 |
708kWh x 54.68p = £ 386.92 |
£ 4,572.59 |
| 16 |
2,010kWh x 35.61p = £ 715.65 |
1,306kWh x 5.26p = £ 68.67 |
703kWh x 60.15p = £ 423.07 |
£ 5,779.99 |
| 17 |
1,996kWh x 36.89p = £ 736.41 |
1,298kWh x 5.45p = £ 70.66 |
699kWh x 66.17p = £ 462.31 |
£ 7,049.37 |
| 18 |
1,982kWh x 38.21p = £ 757.27 |
1,288kWh x 5.64p = £ 72.66 |
694kWh x 72.78p = £ 504.85 |
£ 8,384.16 |
| 19 |
1,966kWh x 39.58p = £ 778.20 |
1,278kWh x 5.84p = £ 74.67 |
688kWh x 80.06p = £ 550.93 |
£ 9,787.96 |
| 20 |
1,949kWh x 41.00p = £ 799.12 |
1,267kWh x 6.05p = £ 76.68 |
682kWh x 88.07p = £ 600.79 |
£ 11,264.55 |
| 21 |
1,931kWh x 42.47p = £ 820.00 |
1,255kWh x 6.27p = £ 78.68 |
676kWh x 96.88p = £ 654.67 |
£ 12,817.90 |
| 22 |
1,911kWh x 43.99p = £ 840.76 |
1,242kWh x 6.49p = £ 80.67 |
669kWh x 106.56p = £ 712.82 |
£ 14,452.15 |
| 23 |
1,890kWh x 45.57p = £ 861.34 |
1,229kWh x 6.73p = £ 82.65 |
662kWh x 117.22p = £ 775.51 |
£ 16,171.64 |
| 24 |
1,868kWh x 47.20p = £ 881.66 |
1,214kWh x 6.97p = £ 84.60 |
654kWh x 128.94p = £ 842.97 |
£ 17,980.88 |
| 25 |
1,844kWh x 48.89p = £ 901.65 |
1,199kWh x 7.22p = £ 86.52 |
645kWh x 141.84p = £ 915.49 |
£ 19,884.54 |
|
| 14 x Suntech STP190S-24/Ad+ |
2.66kWp | £ 8,594.52 |
£ 601.81pa |
11y 3m |
£ 19,994.49 |
detailed calc » |
Annual breakdown for a 2.66kWp system of 14 x 190Wp panels Facing S @ 35° in a central UK location permits generation of 2,145kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,145kWh x 21.00p = £ 450.48 |
1,394kWh x 3.10p = £ 43.22 |
751kWh x 14.40p = £ 108.11 |
£ -7,992.70 |
| 2 |
2,145kWh x 21.75p = £ 466.59 |
1,394kWh x 3.21p = £ 44.77 |
751kWh x 15.84p = £ 118.92 |
£ -7,362.42 |
| 3 |
2,144kWh x 22.53p = £ 483.20 |
1,394kWh x 3.33p = £ 46.36 |
751kWh x 17.42p = £ 130.78 |
£ -6,702.08 |
| 4 |
2,143kWh x 23.34p = £ 500.27 |
1,393kWh x 3.45p = £ 48.00 |
750kWh x 19.17p = £ 143.79 |
£ -6,010.02 |
| 5 |
2,142kWh x 24.18p = £ 517.79 |
1,392kWh x 3.57p = £ 49.68 |
750kWh x 21.08p = £ 158.04 |
£ -5,284.51 |
| 6 |
2,139kWh x 25.04p = £ 535.74 |
1,391kWh x 3.70p = £ 51.41 |
749kWh x 23.19p = £ 173.65 |
£ -4,523.72 |
| 7 |
2,136kWh x 25.94p = £ 554.11 |
1,388kWh x 3.83p = £ 53.17 |
748kWh x 25.51p = £ 190.73 |
£ -3,725.71 |
| 8 |
2,132kWh x 26.87p = £ 572.89 |
1,386kWh x 3.97p = £ 54.97 |
746kWh x 28.06p = £ 209.40 |
£ -2,888.45 |
| 9 |
2,127kWh x 27.83p = £ 592.05 |
1,383kWh x 4.11p = £ 56.81 |
744kWh x 30.87p = £ 229.81 |
£ -2,009.78 |
| 10 |
2,121kWh x 28.83p = £ 611.57 |
1,379kWh x 4.26p = £ 58.68 |
742kWh x 33.95p = £ 252.09 |
£ -1,087.43 |
| 11 |
2,114kWh x 29.86p = £ 631.44 |
1,374kWh x 4.41p = £ 60.59 |
740kWh x 37.35p = £ 276.40 |
£ -119.00 |
| 12 |
2,107kWh x 30.93p = £ 651.63 |
1,369kWh x 4.57p = £ 62.53 |
737kWh x 41.08p = £ 302.91 |
£ 898.07 |
| 13 |
2,098kWh x 32.04p = £ 672.11 |
1,363kWh x 4.73p = £ 64.49 |
734kWh x 45.19p = £ 331.78 |
£ 1,966.46 |
| 14 |
2,087kWh x 33.19p = £ 692.86 |
1,357kWh x 4.90p = £ 66.48 |
731kWh x 49.71p = £ 363.21 |
£ 3,089.00 |
| 15 |
2,076kWh x 34.38p = £ 713.83 |
1,350kWh x 5.08p = £ 68.49 |
727kWh x 54.68p = £ 397.38 |
£ 4,268.71 |
| 16 |
2,064kWh x 35.61p = £ 735.00 |
1,341kWh x 5.26p = £ 70.52 |
722kWh x 60.15p = £ 434.51 |
£ 5,508.73 |
| 17 |
2,050kWh x 36.89p = £ 756.31 |
1,333kWh x 5.45p = £ 72.57 |
718kWh x 66.17p = £ 474.80 |
£ 6,812.42 |
| 18 |
2,035kWh x 38.21p = £ 777.74 |
1,323kWh x 5.64p = £ 74.63 |
712kWh x 72.78p = £ 518.50 |
£ 8,183.29 |
| 19 |
2,019kWh x 39.58p = £ 799.23 |
1,312kWh x 5.84p = £ 76.69 |
707kWh x 80.06p = £ 565.82 |
£ 9,625.03 |
| 20 |
2,002kWh x 41.00p = £ 820.72 |
1,301kWh x 6.05p = £ 78.75 |
701kWh x 88.07p = £ 617.03 |
£ 11,141.53 |
| 21 |
1,983kWh x 42.47p = £ 842.16 |
1,289kWh x 6.27p = £ 80.81 |
694kWh x 96.88p = £ 672.37 |
£ 12,736.86 |
| 22 |
1,963kWh x 43.99p = £ 863.48 |
1,276kWh x 6.49p = £ 82.85 |
687kWh x 106.56p = £ 732.09 |
£ 14,415.28 |
| 23 |
1,941kWh x 45.57p = £ 884.62 |
1,262kWh x 6.73p = £ 84.88 |
679kWh x 117.22p = £ 796.47 |
£ 16,181.25 |
| 24 |
1,918kWh x 47.20p = £ 905.49 |
1,247kWh x 6.97p = £ 86.88 |
671kWh x 128.94p = £ 865.76 |
£ 18,039.39 |
| 25 |
1,894kWh x 48.89p = £ 926.02 |
1,231kWh x 7.22p = £ 88.85 |
663kWh x 141.84p = £ 940.23 |
£ 19,994.49 |
|
| 14 x Centrosolar Poly-AT-195Wp |
2.73kWp | £ 9,016.37 |
£ 617.65pa |
11y 5m |
£ 20,324.98 |
detailed calc » |
Annual breakdown for a 2.73kWp system of 14 x 195Wp panels Facing S @ 35° in a central UK location permits generation of 2,202kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,202kWh x 21.00p = £ 462.33 |
1,431kWh x 3.10p = £ 44.36 |
771kWh x 14.40p = £ 110.96 |
£ -8,398.72 |
| 2 |
2,201kWh x 21.75p = £ 478.87 |
1,431kWh x 3.21p = £ 45.95 |
771kWh x 15.84p = £ 122.05 |
£ -7,751.85 |
| 3 |
2,201kWh x 22.53p = £ 495.91 |
1,431kWh x 3.33p = £ 47.58 |
770kWh x 17.42p = £ 134.22 |
£ -7,074.13 |
| 4 |
2,200kWh x 23.34p = £ 513.43 |
1,430kWh x 3.45p = £ 49.27 |
770kWh x 19.17p = £ 147.57 |
£ -6,363.86 |
| 5 |
2,198kWh x 24.18p = £ 531.41 |
1,429kWh x 3.57p = £ 50.99 |
769kWh x 21.08p = £ 162.20 |
£ -5,619.26 |
| 6 |
2,196kWh x 25.04p = £ 549.84 |
1,427kWh x 3.70p = £ 52.76 |
768kWh x 23.19p = £ 178.22 |
£ -4,838.44 |
| 7 |
2,192kWh x 25.94p = £ 568.70 |
1,425kWh x 3.83p = £ 54.57 |
767kWh x 25.51p = £ 195.75 |
£ -4,019.44 |
| 8 |
2,188kWh x 26.87p = £ 587.96 |
1,422kWh x 3.97p = £ 56.42 |
766kWh x 28.06p = £ 214.91 |
£ -3,160.14 |
| 9 |
2,183kWh x 27.83p = £ 607.63 |
1,419kWh x 4.11p = £ 58.30 |
764kWh x 30.87p = £ 235.86 |
£ -2,258.35 |
| 10 |
2,177kWh x 28.83p = £ 627.67 |
1,415kWh x 4.26p = £ 60.23 |
762kWh x 33.95p = £ 258.73 |
£ -1,311.73 |
| 11 |
2,170kWh x 29.86p = £ 648.06 |
1,411kWh x 4.41p = £ 62.18 |
760kWh x 37.35p = £ 283.68 |
£ -317.81 |
| 12 |
2,162kWh x 30.93p = £ 668.78 |
1,405kWh x 4.57p = £ 64.17 |
757kWh x 41.08p = £ 310.88 |
£ 726.02 |
| 13 |
2,153kWh x 32.04p = £ 689.80 |
1,399kWh x 4.73p = £ 66.19 |
753kWh x 45.19p = £ 340.51 |
£ 1,822.52 |
| 14 |
2,142kWh x 33.19p = £ 711.09 |
1,393kWh x 4.90p = £ 68.23 |
750kWh x 49.71p = £ 372.77 |
£ 2,974.61 |
| 15 |
2,131kWh x 34.38p = £ 732.61 |
1,385kWh x 5.08p = £ 70.30 |
746kWh x 54.68p = £ 407.84 |
£ 4,185.36 |
| 16 |
2,118kWh x 35.61p = £ 754.34 |
1,377kWh x 5.26p = £ 72.38 |
741kWh x 60.15p = £ 445.94 |
£ 5,458.02 |
| 17 |
2,104kWh x 36.89p = £ 776.22 |
1,368kWh x 5.45p = £ 74.48 |
736kWh x 66.17p = £ 487.30 |
£ 6,796.01 |
| 18 |
2,089kWh x 38.21p = £ 798.21 |
1,358kWh x 5.64p = £ 76.59 |
731kWh x 72.78p = £ 532.14 |
£ 8,202.96 |
| 19 |
2,072kWh x 39.58p = £ 820.26 |
1,347kWh x 5.84p = £ 78.71 |
725kWh x 80.06p = £ 580.71 |
£ 9,682.64 |
| 20 |
2,054kWh x 41.00p = £ 842.32 |
1,335kWh x 6.05p = £ 80.82 |
719kWh x 88.07p = £ 633.27 |
£ 11,239.04 |
| 21 |
2,035kWh x 42.47p = £ 864.32 |
1,323kWh x 6.27p = £ 82.93 |
712kWh x 96.88p = £ 690.06 |
£ 12,876.36 |
| 22 |
2,015kWh x 43.99p = £ 886.20 |
1,309kWh x 6.49p = £ 85.03 |
705kWh x 106.56p = £ 751.36 |
£ 14,598.95 |
| 23 |
1,992kWh x 45.57p = £ 907.90 |
1,295kWh x 6.73p = £ 87.11 |
697kWh x 117.22p = £ 817.43 |
£ 16,411.39 |
| 24 |
1,969kWh x 47.20p = £ 929.32 |
1,280kWh x 6.97p = £ 89.17 |
689kWh x 128.94p = £ 888.54 |
£ 18,318.42 |
| 25 |
1,944kWh x 48.89p = £ 950.39 |
1,263kWh x 7.22p = £ 91.19 |
680kWh x 141.84p = £ 964.97 |
£ 20,324.98 |
|
| System |
Power |
Est Outlay |
Feed-In & Savings |
Pay back time |
Profit over 25yrs |
|
| 14 x Mitsubishi PV-TD185MF5 |
2.59kWp |
£ 7,952.13 |
£ 585.98pa |
10y 8m |
£ 19,884.54 |
detailed calc » |
Annual breakdown for a 2.59kWp system of 14 x 185Wp panels Facing S @ 35° in a central UK location permits generation of 2,089kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,089kWh x 21.00p = £ 438.62 |
1,358kWh x 3.10p = £ 42.09 |
731kWh x 14.40p = £ 105.27 |
£ -7,366.15 |
| 2 |
2,089kWh x 21.75p = £ 454.32 |
1,358kWh x 3.21p = £ 43.59 |
731kWh x 15.84p = £ 115.79 |
£ -6,752.45 |
| 3 |
2,088kWh x 22.53p = £ 470.48 |
1,357kWh x 3.33p = £ 45.14 |
731kWh x 17.42p = £ 127.34 |
£ -6,109.49 |
| 4 |
2,087kWh x 23.34p = £ 487.10 |
1,357kWh x 3.45p = £ 46.74 |
730kWh x 19.17p = £ 140.00 |
£ -5,435.64 |
| 5 |
2,085kWh x 24.18p = £ 504.16 |
1,355kWh x 3.57p = £ 48.38 |
730kWh x 21.08p = £ 153.88 |
£ -4,729.23 |
| 6 |
2,083kWh x 25.04p = £ 521.64 |
1,354kWh x 3.70p = £ 50.05 |
729kWh x 23.19p = £ 169.08 |
£ -3,988.45 |
| 7 |
2,080kWh x 25.94p = £ 539.53 |
1,352kWh x 3.83p = £ 51.77 |
728kWh x 25.51p = £ 185.71 |
£ -3,211.45 |
| 8 |
2,076kWh x 26.87p = £ 557.81 |
1,349kWh x 3.97p = £ 53.52 |
727kWh x 28.06p = £ 203.89 |
£ -2,396.22 |
| 9 |
2,071kWh x 27.83p = £ 576.47 |
1,346kWh x 4.11p = £ 55.31 |
725kWh x 30.87p = £ 223.76 |
£ -1,540.67 |
| 10 |
2,065kWh x 28.83p = £ 595.48 |
1,343kWh x 4.26p = £ 57.14 |
723kWh x 33.95p = £ 245.46 |
£ -642.60 |
| 11 |
2,059kWh x 29.86p = £ 614.83 |
1,338kWh x 4.41p = £ 58.99 |
721kWh x 37.35p = £ 269.13 |
£ 300.35 |
| 12 |
2,051kWh x 30.93p = £ 634.48 |
1,333kWh x 4.57p = £ 60.88 |
718kWh x 41.08p = £ 294.94 |
£ 1,290.66 |
| 13 |
2,042kWh x 32.04p = £ 654.43 |
1,328kWh x 4.73p = £ 62.79 |
715kWh x 45.19p = £ 323.05 |
£ 2,330.93 |
| 14 |
2,033kWh x 33.19p = £ 674.62 |
1,321kWh x 4.90p = £ 64.73 |
711kWh x 49.71p = £ 353.65 |
£ 3,423.93 |
| 15 |
2,022kWh x 34.38p = £ 695.04 |
1,314kWh x 5.08p = £ 66.69 |
708kWh x 54.68p = £ 386.92 |
£ 4,572.59 |
| 16 |
2,010kWh x 35.61p = £ 715.65 |
1,306kWh x 5.26p = £ 68.67 |
703kWh x 60.15p = £ 423.07 |
£ 5,779.99 |
| 17 |
1,996kWh x 36.89p = £ 736.41 |
1,298kWh x 5.45p = £ 70.66 |
699kWh x 66.17p = £ 462.31 |
£ 7,049.37 |
| 18 |
1,982kWh x 38.21p = £ 757.27 |
1,288kWh x 5.64p = £ 72.66 |
694kWh x 72.78p = £ 504.85 |
£ 8,384.16 |
| 19 |
1,966kWh x 39.58p = £ 778.20 |
1,278kWh x 5.84p = £ 74.67 |
688kWh x 80.06p = £ 550.93 |
£ 9,787.96 |
| 20 |
1,949kWh x 41.00p = £ 799.12 |
1,267kWh x 6.05p = £ 76.68 |
682kWh x 88.07p = £ 600.79 |
£ 11,264.55 |
| 21 |
1,931kWh x 42.47p = £ 820.00 |
1,255kWh x 6.27p = £ 78.68 |
676kWh x 96.88p = £ 654.67 |
£ 12,817.90 |
| 22 |
1,911kWh x 43.99p = £ 840.76 |
1,242kWh x 6.49p = £ 80.67 |
669kWh x 106.56p = £ 712.82 |
£ 14,452.15 |
| 23 |
1,890kWh x 45.57p = £ 861.34 |
1,229kWh x 6.73p = £ 82.65 |
662kWh x 117.22p = £ 775.51 |
£ 16,171.64 |
| 24 |
1,868kWh x 47.20p = £ 881.66 |
1,214kWh x 6.97p = £ 84.60 |
654kWh x 128.94p = £ 842.97 |
£ 17,980.88 |
| 25 |
1,844kWh x 48.89p = £ 901.65 |
1,199kWh x 7.22p = £ 86.52 |
645kWh x 141.84p = £ 915.49 |
£ 19,884.54 |
|
| 14 x Suntech STP190S-24/Ad+ |
2.66kWp |
£ 8,594.52 |
£ 601.81pa |
11y 3m |
£ 19,994.49 |
detailed calc » |
Annual breakdown for a 2.66kWp system of 14 x 190Wp panels Facing S @ 35° in a central UK location permits generation of 2,145kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,145kWh x 21.00p = £ 450.48 |
1,394kWh x 3.10p = £ 43.22 |
751kWh x 14.40p = £ 108.11 |
£ -7,992.70 |
| 2 |
2,145kWh x 21.75p = £ 466.59 |
1,394kWh x 3.21p = £ 44.77 |
751kWh x 15.84p = £ 118.92 |
£ -7,362.42 |
| 3 |
2,144kWh x 22.53p = £ 483.20 |
1,394kWh x 3.33p = £ 46.36 |
751kWh x 17.42p = £ 130.78 |
£ -6,702.08 |
| 4 |
2,143kWh x 23.34p = £ 500.27 |
1,393kWh x 3.45p = £ 48.00 |
750kWh x 19.17p = £ 143.79 |
£ -6,010.02 |
| 5 |
2,142kWh x 24.18p = £ 517.79 |
1,392kWh x 3.57p = £ 49.68 |
750kWh x 21.08p = £ 158.04 |
£ -5,284.51 |
| 6 |
2,139kWh x 25.04p = £ 535.74 |
1,391kWh x 3.70p = £ 51.41 |
749kWh x 23.19p = £ 173.65 |
£ -4,523.72 |
| 7 |
2,136kWh x 25.94p = £ 554.11 |
1,388kWh x 3.83p = £ 53.17 |
748kWh x 25.51p = £ 190.73 |
£ -3,725.71 |
| 8 |
2,132kWh x 26.87p = £ 572.89 |
1,386kWh x 3.97p = £ 54.97 |
746kWh x 28.06p = £ 209.40 |
£ -2,888.45 |
| 9 |
2,127kWh x 27.83p = £ 592.05 |
1,383kWh x 4.11p = £ 56.81 |
744kWh x 30.87p = £ 229.81 |
£ -2,009.78 |
| 10 |
2,121kWh x 28.83p = £ 611.57 |
1,379kWh x 4.26p = £ 58.68 |
742kWh x 33.95p = £ 252.09 |
£ -1,087.43 |
| 11 |
2,114kWh x 29.86p = £ 631.44 |
1,374kWh x 4.41p = £ 60.59 |
740kWh x 37.35p = £ 276.40 |
£ -119.00 |
| 12 |
2,107kWh x 30.93p = £ 651.63 |
1,369kWh x 4.57p = £ 62.53 |
737kWh x 41.08p = £ 302.91 |
£ 898.07 |
| 13 |
2,098kWh x 32.04p = £ 672.11 |
1,363kWh x 4.73p = £ 64.49 |
734kWh x 45.19p = £ 331.78 |
£ 1,966.46 |
| 14 |
2,087kWh x 33.19p = £ 692.86 |
1,357kWh x 4.90p = £ 66.48 |
731kWh x 49.71p = £ 363.21 |
£ 3,089.00 |
| 15 |
2,076kWh x 34.38p = £ 713.83 |
1,350kWh x 5.08p = £ 68.49 |
727kWh x 54.68p = £ 397.38 |
£ 4,268.71 |
| 16 |
2,064kWh x 35.61p = £ 735.00 |
1,341kWh x 5.26p = £ 70.52 |
722kWh x 60.15p = £ 434.51 |
£ 5,508.73 |
| 17 |
2,050kWh x 36.89p = £ 756.31 |
1,333kWh x 5.45p = £ 72.57 |
718kWh x 66.17p = £ 474.80 |
£ 6,812.42 |
| 18 |
2,035kWh x 38.21p = £ 777.74 |
1,323kWh x 5.64p = £ 74.63 |
712kWh x 72.78p = £ 518.50 |
£ 8,183.29 |
| 19 |
2,019kWh x 39.58p = £ 799.23 |
1,312kWh x 5.84p = £ 76.69 |
707kWh x 80.06p = £ 565.82 |
£ 9,625.03 |
| 20 |
2,002kWh x 41.00p = £ 820.72 |
1,301kWh x 6.05p = £ 78.75 |
701kWh x 88.07p = £ 617.03 |
£ 11,141.53 |
| 21 |
1,983kWh x 42.47p = £ 842.16 |
1,289kWh x 6.27p = £ 80.81 |
694kWh x 96.88p = £ 672.37 |
£ 12,736.86 |
| 22 |
1,963kWh x 43.99p = £ 863.48 |
1,276kWh x 6.49p = £ 82.85 |
687kWh x 106.56p = £ 732.09 |
£ 14,415.28 |
| 23 |
1,941kWh x 45.57p = £ 884.62 |
1,262kWh x 6.73p = £ 84.88 |
679kWh x 117.22p = £ 796.47 |
£ 16,181.25 |
| 24 |
1,918kWh x 47.20p = £ 905.49 |
1,247kWh x 6.97p = £ 86.88 |
671kWh x 128.94p = £ 865.76 |
£ 18,039.39 |
| 25 |
1,894kWh x 48.89p = £ 926.02 |
1,231kWh x 7.22p = £ 88.85 |
663kWh x 141.84p = £ 940.23 |
£ 19,994.49 |
|
| 10 x Moser Baer PhotoVoltaic MBPV CAAP BB 235W |
2.35kWp |
£ 7,667.05 |
£ 531.68pa |
11y 4m |
£ 17,590.15 |
detailed calc » |
Annual breakdown for a 2.35kWp system of 10 x 235Wp panels Facing S @ 35° in a central UK location permits generation of 1,895kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
1,895kWh x 21.00p = £ 397.98 |
1,232kWh x 3.10p = £ 38.19 |
663kWh x 14.40p = £ 95.51 |
£ -7,135.37 |
| 2 |
1,895kWh x 21.75p = £ 412.22 |
1,232kWh x 3.21p = £ 39.55 |
663kWh x 15.84p = £ 105.06 |
£ -6,578.54 |
| 3 |
1,895kWh x 22.53p = £ 426.89 |
1,231kWh x 3.33p = £ 40.96 |
663kWh x 17.42p = £ 115.54 |
£ -5,995.16 |
| 4 |
1,894kWh x 23.34p = £ 441.97 |
1,231kWh x 3.45p = £ 42.41 |
663kWh x 19.17p = £ 127.03 |
£ -5,383.76 |
| 5 |
1,892kWh x 24.18p = £ 457.44 |
1,230kWh x 3.57p = £ 43.89 |
662kWh x 21.08p = £ 139.62 |
£ -4,742.80 |
| 6 |
1,890kWh x 25.04p = £ 473.31 |
1,228kWh x 3.70p = £ 45.41 |
661kWh x 23.19p = £ 153.41 |
£ -4,070.67 |
| 7 |
1,887kWh x 25.94p = £ 489.54 |
1,227kWh x 3.83p = £ 46.97 |
661kWh x 25.51p = £ 168.50 |
£ -3,365.66 |
| 8 |
1,884kWh x 26.87p = £ 506.12 |
1,224kWh x 3.97p = £ 48.56 |
659kWh x 28.06p = £ 185.00 |
£ -2,625.98 |
| 9 |
1,879kWh x 27.83p = £ 523.05 |
1,222kWh x 4.11p = £ 50.19 |
658kWh x 30.87p = £ 203.03 |
£ -1,849.71 |
| 10 |
1,874kWh x 28.83p = £ 540.30 |
1,218kWh x 4.26p = £ 51.84 |
656kWh x 33.95p = £ 222.71 |
£ -1,034.85 |
| 11 |
1,868kWh x 29.86p = £ 557.85 |
1,214kWh x 4.41p = £ 53.53 |
654kWh x 37.35p = £ 244.19 |
£ -179.28 |
| 12 |
1,861kWh x 30.93p = £ 575.69 |
1,210kWh x 4.57p = £ 55.24 |
651kWh x 41.08p = £ 267.61 |
£ 719.26 |
| 13 |
1,853kWh x 32.04p = £ 593.78 |
1,205kWh x 4.73p = £ 56.97 |
649kWh x 45.19p = £ 293.12 |
£ 1,663.13 |
| 14 |
1,844kWh x 33.19p = £ 612.11 |
1,199kWh x 4.90p = £ 58.73 |
645kWh x 49.71p = £ 320.88 |
£ 2,654.85 |
| 15 |
1,834kWh x 34.38p = £ 630.64 |
1,192kWh x 5.08p = £ 60.51 |
642kWh x 54.68p = £ 351.07 |
£ 3,697.07 |
| 16 |
1,823kWh x 35.61p = £ 649.34 |
1,185kWh x 5.26p = £ 62.31 |
638kWh x 60.15p = £ 383.87 |
£ 4,792.59 |
| 17 |
1,811kWh x 36.89p = £ 668.17 |
1,177kWh x 5.45p = £ 64.11 |
634kWh x 66.17p = £ 419.47 |
£ 5,944.34 |
| 18 |
1,798kWh x 38.21p = £ 687.10 |
1,169kWh x 5.64p = £ 65.93 |
629kWh x 72.78p = £ 458.07 |
£ 7,155.44 |
| 19 |
1,784kWh x 39.58p = £ 706.08 |
1,160kWh x 5.84p = £ 67.75 |
624kWh x 80.06p = £ 499.88 |
£ 8,429.16 |
| 20 |
1,768kWh x 41.00p = £ 725.07 |
1,150kWh x 6.05p = £ 69.57 |
619kWh x 88.07p = £ 545.12 |
£ 9,768.93 |
| 21 |
1,752kWh x 42.47p = £ 744.01 |
1,139kWh x 6.27p = £ 71.39 |
613kWh x 96.88p = £ 594.01 |
£ 11,178.34 |
| 22 |
1,734kWh x 43.99p = £ 762.85 |
1,127kWh x 6.49p = £ 73.20 |
607kWh x 106.56p = £ 646.77 |
£ 12,661.15 |
| 23 |
1,715kWh x 45.57p = £ 781.52 |
1,115kWh x 6.73p = £ 74.99 |
600kWh x 117.22p = £ 703.64 |
£ 14,221.31 |
| 24 |
1,695kWh x 47.20p = £ 799.97 |
1,102kWh x 6.97p = £ 76.76 |
593kWh x 128.94p = £ 764.86 |
£ 15,862.90 |
| 25 |
1,673kWh x 48.89p = £ 818.10 |
1,088kWh x 7.22p = £ 78.50 |
586kWh x 141.84p = £ 830.65 |
£ 17,590.15 |
|
| System |
Power |
Est Outlay |
Feed-In & Savings |
Pay back time |
Profit over 25yrs |
|
| 14 x Sanyo HIT N235SE10 |
3.29kWp |
£ 14,458.36 |
£ 744.35pa |
14y 1m |
£ 20,901.72 |
detailed calc » |
Annual breakdown for a 3.29kWp system of 14 x 235Wp panels Facing S @ 35° in a central UK location permits generation of 2,653kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,653kWh x 21.00p = £ 557.17 |
1,725kWh x 3.10p = £ 53.46 |
929kWh x 14.40p = £ 133.72 |
£ -13,714.01 |
| 2 |
2,653kWh x 21.75p = £ 577.10 |
1,724kWh x 3.21p = £ 55.37 |
929kWh x 15.84p = £ 147.08 |
£ -12,934.45 |
| 3 |
2,652kWh x 22.53p = £ 597.64 |
1,724kWh x 3.33p = £ 57.35 |
928kWh x 17.42p = £ 161.75 |
£ -12,117.71 |
| 4 |
2,651kWh x 23.34p = £ 618.75 |
1,723kWh x 3.45p = £ 59.37 |
928kWh x 19.17p = £ 177.84 |
£ -11,261.75 |
| 5 |
2,649kWh x 24.18p = £ 640.42 |
1,722kWh x 3.57p = £ 61.45 |
927kWh x 21.08p = £ 195.47 |
£ -10,364.41 |
| 6 |
2,646kWh x 25.04p = £ 662.63 |
1,720kWh x 3.70p = £ 63.58 |
926kWh x 23.19p = £ 214.77 |
£ -9,423.43 |
| 7 |
2,642kWh x 25.94p = £ 685.35 |
1,717kWh x 3.83p = £ 65.76 |
925kWh x 25.51p = £ 235.90 |
£ -8,436.42 |
| 8 |
2,637kWh x 26.87p = £ 708.57 |
1,714kWh x 3.97p = £ 67.99 |
923kWh x 28.06p = £ 259.00 |
£ -7,400.86 |
| 9 |
2,631kWh x 27.83p = £ 732.27 |
1,710kWh x 4.11p = £ 70.26 |
921kWh x 30.87p = £ 284.24 |
£ -6,314.09 |
| 10 |
2,624kWh x 28.83p = £ 756.42 |
1,705kWh x 4.26p = £ 72.58 |
918kWh x 33.95p = £ 311.80 |
£ -5,173.29 |
| 11 |
2,615kWh x 29.86p = £ 781.00 |
1,700kWh x 4.41p = £ 74.94 |
915kWh x 37.35p = £ 341.87 |
£ -3,975.48 |
| 12 |
2,605kWh x 30.93p = £ 805.97 |
1,694kWh x 4.57p = £ 77.33 |
912kWh x 41.08p = £ 374.65 |
£ -2,717.53 |
| 13 |
2,594kWh x 32.04p = £ 831.30 |
1,686kWh x 4.73p = £ 79.76 |
908kWh x 45.19p = £ 410.36 |
£ -1,396.11 |
| 14 |
2,582kWh x 33.19p = £ 856.95 |
1,678kWh x 4.90p = £ 82.23 |
904kWh x 49.71p = £ 449.23 |
£ -7.69 |
| 15 |
2,568kWh x 34.38p = £ 882.89 |
1,669kWh x 5.08p = £ 84.72 |
899kWh x 54.68p = £ 491.50 |
£ 1,451.41 |
| 16 |
2,553kWh x 35.61p = £ 909.07 |
1,659kWh x 5.26p = £ 87.23 |
893kWh x 60.15p = £ 537.42 |
£ 2,985.13 |
| 17 |
2,536kWh x 36.89p = £ 935.44 |
1,648kWh x 5.45p = £ 89.76 |
888kWh x 66.17p = £ 587.26 |
£ 4,597.59 |
| 18 |
2,517kWh x 38.21p = £ 961.94 |
1,636kWh x 5.64p = £ 92.30 |
881kWh x 72.78p = £ 641.30 |
£ 6,293.13 |
| 19 |
2,497kWh x 39.58p = £ 988.52 |
1,623kWh x 5.84p = £ 94.85 |
874kWh x 80.06p = £ 699.84 |
£ 8,076.34 |
| 20 |
2,476kWh x 41.00p = £ 1,015.10 |
1,609kWh x 6.05p = £ 97.40 |
867kWh x 88.07p = £ 763.17 |
£ 9,952.01 |
| 21 |
2,453kWh x 42.47p = £ 1,041.62 |
1,594kWh x 6.27p = £ 99.95 |
858kWh x 96.88p = £ 831.61 |
£ 11,925.18 |
| 22 |
2,428kWh x 43.99p = £ 1,067.99 |
1,578kWh x 6.49p = £ 102.48 |
850kWh x 106.56p = £ 905.48 |
£ 14,001.13 |
| 23 |
2,401kWh x 45.57p = £ 1,094.13 |
1,561kWh x 6.73p = £ 104.98 |
840kWh x 117.22p = £ 985.10 |
£ 16,185.35 |
| 24 |
2,373kWh x 47.20p = £ 1,119.95 |
1,542kWh x 6.97p = £ 107.46 |
830kWh x 128.94p = £ 1,070.81 |
£ 18,483.57 |
| 25 |
2,343kWh x 48.89p = £ 1,145.34 |
1,523kWh x 7.22p = £ 109.90 |
820kWh x 141.84p = £ 1,162.91 |
£ 20,901.72 |
|
| 14 x Sanyo HIT N230SE10 |
3.22kWp |
£ 14,215.67 |
£ 728.51pa |
14y 2m |
£ 20,392.08 |
detailed calc » |
Annual breakdown for a 3.22kWp system of 14 x 230Wp panels Facing S @ 35° in a central UK location permits generation of 2,597kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,597kWh x 21.00p = £ 545.31 |
1,688kWh x 3.10p = £ 52.32 |
909kWh x 14.40p = £ 130.88 |
£ -13,487.16 |
| 2 |
2,597kWh x 21.75p = £ 564.82 |
1,688kWh x 3.21p = £ 54.20 |
909kWh x 15.84p = £ 143.95 |
£ -12,724.18 |
| 3 |
2,596kWh x 22.53p = £ 584.93 |
1,687kWh x 3.33p = £ 56.12 |
909kWh x 17.42p = £ 158.31 |
£ -11,924.82 |
| 4 |
2,595kWh x 23.34p = £ 605.59 |
1,687kWh x 3.45p = £ 58.11 |
908kWh x 19.17p = £ 174.06 |
£ -11,087.07 |
| 5 |
2,593kWh x 24.18p = £ 626.80 |
1,685kWh x 3.57p = £ 60.14 |
907kWh x 21.08p = £ 191.31 |
£ -10,208.82 |
| 6 |
2,590kWh x 25.04p = £ 648.53 |
1,683kWh x 3.70p = £ 62.23 |
906kWh x 23.19p = £ 210.20 |
£ -9,287.86 |
| 7 |
2,586kWh x 25.94p = £ 670.77 |
1,681kWh x 3.83p = £ 64.36 |
905kWh x 25.51p = £ 230.88 |
£ -8,321.85 |
| 8 |
2,581kWh x 26.87p = £ 693.50 |
1,678kWh x 3.97p = £ 66.54 |
903kWh x 28.06p = £ 253.49 |
£ -7,308.32 |
| 9 |
2,575kWh x 27.83p = £ 716.69 |
1,674kWh x 4.11p = £ 68.77 |
901kWh x 30.87p = £ 278.19 |
£ -6,244.67 |
| 10 |
2,568kWh x 28.83p = £ 740.33 |
1,669kWh x 4.26p = £ 71.04 |
899kWh x 33.95p = £ 305.16 |
£ -5,128.15 |
| 11 |
2,560kWh x 29.86p = £ 764.38 |
1,664kWh x 4.41p = £ 73.34 |
896kWh x 37.35p = £ 334.60 |
£ -3,955.83 |
| 12 |
2,550kWh x 30.93p = £ 788.82 |
1,657kWh x 4.57p = £ 75.69 |
892kWh x 41.08p = £ 366.68 |
£ -2,724.64 |
| 13 |
2,539kWh x 32.04p = £ 813.61 |
1,650kWh x 4.73p = £ 78.07 |
889kWh x 45.19p = £ 401.63 |
£ -1,431.33 |
| 14 |
2,527kWh x 33.19p = £ 838.72 |
1,643kWh x 4.90p = £ 80.48 |
884kWh x 49.71p = £ 439.67 |
£ -72.46 |
| 15 |
2,513kWh x 34.38p = £ 864.11 |
1,634kWh x 5.08p = £ 82.91 |
880kWh x 54.68p = £ 481.04 |
£ 1,355.60 |
| 16 |
2,498kWh x 35.61p = £ 889.73 |
1,624kWh x 5.26p = £ 85.37 |
874kWh x 60.15p = £ 525.98 |
£ 2,856.69 |
| 17 |
2,482kWh x 36.89p = £ 915.54 |
1,613kWh x 5.45p = £ 87.85 |
869kWh x 66.17p = £ 574.76 |
£ 4,434.84 |
| 18 |
2,464kWh x 38.21p = £ 941.48 |
1,602kWh x 5.64p = £ 90.34 |
862kWh x 72.78p = £ 627.65 |
£ 6,094.31 |
| 19 |
2,444kWh x 39.58p = £ 967.49 |
1,589kWh x 5.84p = £ 92.83 |
856kWh x 80.06p = £ 684.95 |
£ 7,839.57 |
| 20 |
2,423kWh x 41.00p = £ 993.50 |
1,575kWh x 6.05p = £ 95.33 |
848kWh x 88.07p = £ 746.93 |
£ 9,675.33 |
| 21 |
2,400kWh x 42.47p = £ 1,019.46 |
1,560kWh x 6.27p = £ 97.82 |
840kWh x 96.88p = £ 813.92 |
£ 11,606.52 |
| 22 |
2,376kWh x 43.99p = £ 1,045.27 |
1,544kWh x 6.49p = £ 100.30 |
832kWh x 106.56p = £ 886.21 |
£ 13,638.30 |
| 23 |
2,350kWh x 45.57p = £ 1,070.85 |
1,528kWh x 6.73p = £ 102.75 |
823kWh x 117.22p = £ 964.14 |
£ 15,776.05 |
| 24 |
2,322kWh x 47.20p = £ 1,096.12 |
1,509kWh x 6.97p = £ 105.18 |
813kWh x 128.94p = £ 1,048.02 |
£ 18,025.37 |
| 25 |
2,293kWh x 48.89p = £ 1,120.98 |
1,490kWh x 7.22p = £ 107.56 |
802kWh x 141.84p = £ 1,138.17 |
£ 20,392.08 |
|
| 14 x Sanyo HIP-215NKHE5 |
3.01kWp |
£ 11,808.20 |
£ 681.00pa |
12y 10m |
£ 20,542.52 |
detailed calc » |
Annual breakdown for a 3.01kWp system of 14 x 215Wp panels Facing S @ 35° in a central UK location permits generation of 2,427kWh/pa
| Year |
FiT Generation |
Export Income |
In-house savings |
Balance |
| 1 |
2,427kWh x 21.00p = £ 509.75 |
1,578kWh x 3.10p = £ 48.91 |
850kWh x 14.40p = £ 122.34 |
£ -11,127.20 |
| 2 |
2,427kWh x 21.75p = £ 527.99 |
1,578kWh x 3.21p = £ 50.66 |
850kWh x 15.84p = £ 134.57 |
£ -10,413.98 |
| 3 |
2,427kWh x 22.53p = £ 546.78 |
1,577kWh x 3.33p = £ 52.46 |
849kWh x 17.42p = £ 147.99 |
£ -9,666.75 |
| 4 |
2,425kWh x 23.34p = £ 566.09 |
1,577kWh x 3.45p = £ 54.32 |
849kWh x 19.17p = £ 162.70 |
£ -8,883.64 |
| 5 |
2,424kWh x 24.18p = £ 585.92 |
1,575kWh x 3.57p = £ 56.22 |
848kWh x 21.08p = £ 178.83 |
£ -8,062.67 |
| 6 |
2,421kWh x 25.04p = £ 606.23 |
1,574kWh x 3.70p = £ 58.17 |
847kWh x 23.19p = £ 196.49 |
£ -7,201.77 |
| 7 |
2,417kWh x 25.94p = £ 627.02 |
1,571kWh x 3.83p = £ 60.16 |
846kWh x 25.51p = £ 215.82 |
£ -6,298.76 |
| 8 |
2,413kWh x 26.87p = £ 648.27 |
1,568kWh x 3.97p = £ 62.20 |
844kWh x 28.06p = £ 236.96 |
£ -5,351.33 |
| 9 |
2,407kWh x 27.83p = £ 669.95 |
1,565kWh x 4.11p = £ 64.28 |
842kWh x 30.87p = £ 260.05 |
£ -4,357.05 |
| 10 |
2,400kWh x 28.83p = £ 692.04 |
1,560kWh x 4.26p = £ 66.40 |
840kWh x 33.95p = £ 285.26 |
£ -3,313.34 |
| 11 |
2,393kWh x 29.86p = £ 714.53 |
1,555kWh x 4.41p = £ 68.56 |
837kWh x 37.35p = £ 312.77 |
£ -2,217.48 |
| 12 |
2,384kWh x 30.93p = £ 737.37 |
1,549kWh x 4.57p = £ 70.75 |
834kWh x 41.08p = £ 342.77 |
£ -1,066.59 |
| 13 |
2,374kWh x 32.04p = £ 760.55 |
1,543kWh x 4.73p = £ 72.98 |
831kWh x 45.19p = £ 375.44 |
£ 142.38 |
| 14 |
2,362kWh x 33.19p = £ 784.02 |
1,535kWh x 4.90p = £ 75.23 |
827kWh x 49.71p = £ 411.00 |
£ 1,412.62 |
| 15 |
2,349kWh x 34.38p = £ 807.75 |
1,527kWh x 5.08p = £ 77.51 |
822kWh x 54.68p = £ 449.67 |
£ 2,747.55 |
| 16 |
2,335kWh x 35.61p = £ 831.71 |
1,518kWh x 5.26p = £ 79.80 |
817kWh x 60.15p = £ 491.68 |
£ 4,150.74 |
| 17 |
2,320kWh x 36.89p = £ 855.83 |
1,508kWh x 5.45p = £ 82.12 |
812kWh x 66.17p = £ 537.28 |
£ 5,625.97 |
| 18 |
2,303kWh x 38.21p = £ 880.08 |
1,497kWh x 5.64p = £ 84.45 |
806kWh x 72.78p = £ 586.72 |
£ 7,177.21 |
| 19 |
2,285kWh x 39.58p = £ 904.39 |
1,485kWh x 5.84p = £ 86.78 |
800kWh x 80.06p = £ 640.28 |
£ 8,808.65 |
| 20 |
2,265kWh x 41.00p = £ 928.71 |
1,472kWh x 6.05p = £ 89.11 |
793kWh x 88.07p = £ 698.22 |
£ 10,524.69 |
| 21 |
2,244kWh x 42.47p = £ 952.97 |
1,459kWh x 6.27p = £ 91.44 |
785kWh x 96.88p = £ 760.83 |
£ 12,329.94 |
| 22 |
2,221kWh x 43.99p = £ 977.10 |
1,444kWh x 6.49p = £ 93.75 |
777kWh x 106.56p = £ 828.42 |
£ 14,229.21 |
| 23 |
2,197kWh x 45.57p = £ 1,001.02 |
1,428kWh x 6.73p = £ 96.05 |
769kWh x 117.22p = £ 901.26 |
£ 16,227.54 |
| 24 |
2,171kWh x 47.20p = £ 1,024.64 |
1,411kWh x 6.97p = £ 98.32 |
760kWh x 128.94p = £ 979.67 |
£ 18,330.16 |
| 25 |
2,143kWh x 48.89p = £ 1,047.87 |
1,393kWh x 7.22p = £ 100.55 |
750kWh x 141.84p = £ 1,063.94 |
£ 20,542.52 |
|