SEA have over 25 years experience designing and installing renewable electricity systems for commercial clients.
We specialise in Solar Photovoltaics & Wind Turbines.

Our clients include government departments, local councils, universities, colleges, schools, charities, social enterprises, private estates, farms and the complete spectrum of British companies from the very large to small sized enterprises.

Commercial Solar PV: Medium sized solar installations 10- 150kW

Below charts are indicative prices and returns for projects based on 50% of power used on site and 50% sold back to the grid

Solar Returns - Roof Mount

PV size in kW
10kW
20kW
30kW
50kW
150kW
Feed in tariff per kWh
13.99p
13.03p
13.03p
13.03p
11.5p
Area (roof / ground)
67m2
140m2
208m2
340m2
1042m2
Price (ex VAT)
£15,250
£28,500
£38,900
£59,200
£155,000
Annual output in kWh
8,430
16,860
25,290
42,160
126,480
50% used on site
4,215
8,430
12,645
21,080
63,240
Feed in tariff income - 100%
£1,179
£2,196
£3,295
£5,493
£14,545
Saving from own use @ 12p on 50%
£505
£1,011
£1,518
£2,529

£7,588

Export tariff to grid (income) @ 4.5p on 50%
£189
£379
£569
£948
£2,845
Total annual financial benefit
£1,873
£3,586
£5,382
£8,970
£24,978
Annual % return
12.2%
12.5%
13.8%
15.1%
16.1%
Total life generation - 20 Years
£37,460
£71,720
£107,640
£179,400
£499,560
Pay back in years
8.1
7.9
7.2
6.5
6.2
Projected total income allowing for 3% inflation & 0.7% p.a panel degradation
£61,884
£118,426
£177,639
£296,135
£824,531
Payback in years allowing for inflation/panel degradation

7.5

7.3
7.1
6.2
5.9

Solar Returns - Ground Mount

PV size in kW
10kW
20kW
30kW
50kW
150kW
Feed in tariff per kWh
13.9P
13.03P
13.03P
13.03P
11.5P
Area
67m2
290m2
705m2
1,000m2
1042m2
Price (ex VAT) £18,000
£30,000
£40,250
£60,000
£160,000
Annual output in kWp
8,430
16,860
25,290
42,160
126,480
50% used on site
4,215
8,430
12,645
21,080
63,240
Feed in tariff income - 100%
£1,179
£2,196
£3,295
£5,493
£14,545
Saving from own use @ 12p on 50%
£505
£1,011
£1,518
£2,529
£7,588
Export tariff to grid (income) @ 4.5p on 50%
£189
£379
£569
£948.00
£2,845
Total annual financial benefit
£1,873
£3,586
£5,382
£8,970
£24,978
Annual % return
10
11.9
13.3
14.9
15.6
Total life generation - 20 Years
£37,460
£71,720
£107,640
£179,400
£499,560
Pay back in years
9.6
8.3
7.4
6.6
6.4
Projected total income allowing for 3% inflation & 0.7% p.a panel degradation
£61,884
£118,426
£177,639
£296,135
£824,531
Payback in years allowing for inflation/panel degradation
9.8
8.1
7.9
7.3
6

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If you have any questions please get in touch:
Solar Energy Alliance Ltd.
info@solarenergyalliance.com
Tel: 01502 515532
8/9 Battery Green Road, Lowestoft, Suffolk, NR32 1DE
 

 

 

"We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy — sun, wind and tide. ... I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that".

Thomas A Edison, 1931, in conversation with Henry Ford and Harvey Firestone.

 

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