Technical Information:-

 

PV Output: 3.96kWp

Gross/Active PV Surface Area: 28.8m2

Panels: 22 No. Sharp NU-180E1

Inclination: 20 degrees

Direction: Southwest on a flatroof

Inverter: Power One PVI-3,6-OUTD-UK

 

Detached 4/5 bed, two kitchens, two bathrooms, 3 adults and 1 six year old (Granny Flat)

 

Location: North Wales Coast (UK) 53 degrees

 

PV Generation from the 16th July 2010 to 15th July 2011 (Full Year) - 3511 kWh giving 887 kWh/kWp - max. 29 kWh min. 0.5 kWh in one day.

 

YEAR 1 - 3,511 kWh - income circa £1,700 (FiT, export electricity & electricity not purchased)

 

July 16th 2010 - 210 kWh - mean of 13.1 kWh per day (16 days only)

Aug 2010 - 422 kWh - mean of 13.6 kWh per day

Sept 2010 - 296 kWh - mean of 9.9 kWh per day

Oct 2010 -  144 kWh - mean of 4.6 kWh per day (Partial shading from Oct)

Nov 2010 - 58 kWh - mean of 1.9 kWh per day (comprehensive shading)

Dec 2010 - 34 kWh - mean of 1.1 kWh per day (comprehensive shading)

Jan 2011 - 47 kWh - mean of 1.5 kWh per day (comprehensive shading)

Feb 2011 - 107 kWh - mean of 3.8 kWh per day  (Partial shading)

Mar 2011 -  317  kWh - mean of 10.6 kWh per day

Apr 2011 - 466 kWh - mean of 15.5 kWh per day

May 2011 - 514 kWh - mean of 16.6 kWh per day

June 2011 - 583 kWh – mean of 19.4 kWh per day

July 15th 2011 - 313 kWh - mean of 20.9 kWh per day (15 days only)

 

YEAR 2 - 3,203 kWh

 

July 16th 2011 -  260 kWh - mean of  16.25 kWh per day (16 days only)

Aug 2011 - 391 kWh - mean of  12.6 kWh per day

Sept 2011 - 277 kWh - mean of  9.2 kWh per day

Oct 2011 -  134 kWh - mean of  4.3 kWh per day (Partial shading from Oct)

Nov 2011 - 65 kWh - mean of  2.2 kWh per day (comprehensive shading)

Dec 2011 - 30 kWh - mean of  0.97 kWh per day (comprehensive shading)

Jan 2012 - 47 kWh - mean of  1.52 kWh per day (comprehensive shading)

Feb 2012 - 104 kWh - mean of  3.59 kWh per day (Partial shading) (29 day month)

Mar 2012 -  295 kWh - mean of  9.52 kWh per day

Apr 2012 - 362 kWh - mean of  12.07 kWh per day

May 2011 - 583 kWh - mean of  18.81 kWh per day

June 2012 - 472 kWh – mean of  15.7 kWh per day

July 15th 2012 - 183 kWh - mean of  12.2 kWh per day (15 days only)

 

 

YEAR 3 - 3,503 kWh

 

July 16th 2012 -  253 kWh - mean of  15.8 kWh per day (16 days only)

Aug 2012 - 428 kWh - mean of  13.81 kWh per day

Sept 2012 - 298 kWh - mean of 9.93  kWh per day

Oct 2012 -  132 kWh - mean of  4.26 kWh per day (Partial shading from Oct)

Nov 2012 - 58 kWh - mean of  1.93 kWh per day (comprehensive shading)

Dec 2012 - 31 kWh - mean of  1.0 kWh per day (comprehensive shading)

Jan 2013 - 46 kWh - mean of  1.48 kWh per day (comprehensive shading)

Feb 2013 - 101 kWh - mean of  3.61 kWh per day (Partial shading)

Mar 2013 -  240 kWh - mean of  7.74 kWh per day

Apr 2013 - 454 kWh - mean of  15.13 kWh per day

May 2013 - 535 kWh - mean of  17.26 kWh per day

June 2013 - 589 kWh – mean of  19.6 kWh per day

July 15th 2013 - 338 kWh - mean of  22.5 kWh per day (15 days only)

 

 

YEAR 4 - 3,456 kWh

 

July 16th 2013 -  329 kWh - mean of  20.56 kWh per day (16 days only)

Aug 2013 -  436 kWh - mean of  14.06 kWh per day

Sept 2013 - 257 kWh - mean of 8.57  kWh per day

Oct 2013 -  118 kWh - mean of  3.81 kWh per day (Partial shading from Oct)

Nov 2013 - 55 kWh - mean of  1.83 kWh per day (comprehensive shading)

Dec 2013 - 34 kWh - mean of  8.6 kWh per day (comprehensive shading)

Jan 2014 - 42 kWh - mean of  1.35 kWh per day (comprehensive shading)

Feb 2014 - 106 kWh - mean of  3.79 kWh per day (Partial shading)

Mar 2014 -  292 kWh - mean of  9.42 kWh per day

Apr 2014 - 433 kWh - mean of  14.43 kWh per day

May 2014 - 433 kWh - mean of  13.97 kWh per day

June 2014 - 624 kWh – mean of  20.80 kWh per day

July 15th 2014 - 282 kWh - mean of  18.77 kWh per day (15 days only)

 

YEAR 5 - 3,566 kWh 

 

July 16th 2014 -  300 kWh - mean of  18.77 kWh per day (16 days only)

Aug 2014 -  448 kWh - mean of  14.45 kWh per day

Sept 2014 - 353 kWh - mean of  11.77 kWh per day

Oct 2014 -  144 kWh - mean of  4.65 kWh per day (Partial shading from Oct)

Nov 2014 -  49 kWh - mean of 1.4 kWh per day (comprehensive shading)

Dec 2014 - 34 kWh - mean of  1.13 kWh per day (comprehensive shading)

Jan 2015 - 44 kWh - mean of  1.42 kWh per day (comprehensive shading)

Feb 2015 - 98 kWh - mean of 3.5 kWh per day (Partial shading)

Mar 2015 -  256 kWh - mean of  8.26 kWh per day

Apr 2015 - 483 kWh - mean of 16.1 kWh per day

May 2015 - 524 kWh - mean of  16.9 kWh per day

June 2015 - 591 kWh – mean of 19.7 kWh per day

July 15th 2015 - 242 kWh - mean of 16.13 kWh per day

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 kW PV Installation