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Solar Energy Production

The Solyndra “Sunhunter” panels on our roof have been installed in November 2009. Here are the production numbers per year, as reported by the SMA Sunny Beam monitor.

Production of Electricity per Year, in Wh
Year Production Total
2021 (up to and including February) 136.870 23.225.370
2020 2.086.180 23.088.500
2019 2.028.060 21.002.320
2018 2.151.910 18.974.260
2017 1.978.340 16.822.350
2016 1.992.400 14.844.010
2015 2.116.470 12.851.610
2014 2.063.680 10.735.140
2013 2.070.720 8.671.460
2012 2.097.370 6.600.740
2011 2.173.140 4.503.370
2010 2.282.400 2.330.230
2009 (43 days) 47.830 47.830

And here is bit more detail:

Production of Electricity per Month, in Wh
Month Production Total
February 2021 96.970 23.225.370
January 2021 39.900 23.128.400
December 2020 27.030 23.088.500
November 2020 61.350 23.061.470
October 2020 87.100 23.000.120
September 2020 202.120 22.913.020
August 2020 251.690 22.710.900
July 2020 273.770 22.459.210
June 2020 299.000 22.185.440
May 2020 330.330 21.886.440
April 2020 275.700 21.556.110
March 2020 178.900 21.280.410
February 2020 62.210 21.101.510
January 2020 36.980 21.039.300
December 2019 34.780 21.002.320
November 2019 61.810 20.967.540
October 2019 99.750 20.905.730
September 2019 185.760 20.805.980
August 2019 270.300 20.620.220
July 2019 284.230 20.349.920
June 2019 298.190 20.065.690
May 2019 269.720 19.767.500
April 2019 241.710 19.497.780
March 2019 133.760 19.256.070
February 2019 110.500 19.122.310
January 2019 37.550 19.011.810
December 2018 32.550 18.974.260
November 2018 68.170 18.941.710
October 2018 152.730 18.873.540
September 2018 208.920 18.720.810
August 2018 259.430 18.511.890
July 2018 344.630 18.252.460
June 2018 274.590 17.907.830
May 2018 314.330 17.633.240
April 2018 208.230 17.318.910
March 2018 132.810 17.110.680
February 2018 122.700 16.977.870
January 2018 32.820 16.855.170
December 2017 19.220 16.822.350
November 2017 54.520 16.803.130
October 2017 110.220 16.748.610
September 2017 183.280 16.638.390
August 2017 237.720 16.455.110
July 2017 285.310 16.217.390
June 2017 303.050 15.932.080
May 2017 282.440 15.629.030
April 2017 219.780 15.346.590
March 2017 169.150 15.126.810
February 2017 59.120 14.957.660
January 2017 54.530 14.898.540
December 2016 42.330 14.844.010
November 2016 55.780 14.801.680
October 2016 116.280 14.745.900
September 2016 209.500 14.629.620
August 2016 257.960 14.420.120
July 2016 281.650 14.162.160
June 2016 231.050 13.880.510
May 2016 284.710 13.649.460
April 2016 216.550 13.364.750
March 2016 156.390 13.148.200
February 2016 91.570 12.991.800
January 2016 48.630 12.900.200
December 2015 40.900 12.851.610
November 2015 52.150 12.810.710
October 2015 111.000 12.758.560
September 2015 183.380 12.647.560
August 2015 268.160 12.464.180
July 2015 280.020 12.196.020
June 2015 330.580 11.916.000
May 2015 294.510 11.585.420
April 2015 268.040 11.290.910
March 2015 154.970 11.022.870
February 2015 89.500 10.867.900
January 2015 43.260 10.778.400
December 2014 24.690 10.735.140
November 2014 64.740 10.710.450
October 2014 109.950 10.645.710
September 2014 198.940 10.535.760
August 2014 239.000 10.336.820
July 2014 267.830 10.097.820
June 2014 305.000 9.829.990
May 2014 273.110 9.524.990
April 2014 245.170 9.251.880
March 2014 205.640 9.006.710
February 2014 82.410 8.801.070
January 2014 47.200 8.718.660
December 2013 52.430 8.671.460
November 2013 44.070 8.619.030
October 2013 124.630 8.574.960
September 2013 199.870 8.450.330
August 2013 278.020 8.250.460
July 2013 333.340 7.972.440
June 2013 284.290 7.639.100
May 2013 247.480 7.354.810
April 2013 237.600 7.107.330
March 2013 151.590 6.869.730
February 2013 72.190 6.718.140
January 2013 45.210 6.645.950
December 2012 30.910 6.600.740
November 2012 53.570 6.569.830
October 2012 127.000 6.516.260
September 2012 214.110 6.389.260
August 2012 291.680 6.175.150
July 2012 288.520 5.883.470
June 2012 273.620 5.594.950
May 2012 298.000 5.321.330
April 2012 201.740 5.023.330
March 2012 176.880 4.821.590
February 2012 98.680 4.644.710
January 2012 42.660 4.546.030
December 2011 33.690 4.503.370
November 2011 70.550 4.469.680
October 2011 147.350 4.399.130
September 2011 202.880 4.251.780
August 2011 231.830 4.048.900
July 2011 260.010 3.817.070
June 2011 284.330 3.557.060
May 2011 332.220 3.272.730
April 2011 284.220 2.940.510
March 2011 213.700 2.656.290
February 2011 64.940 2.442.590
January 2011 47.420 2.377.650
December 2010 26.280 2.330.230
November 2010 39.690 2.303.950
October 2010 142.720 2.264.260
September 2010 198.160 2.121.540
August 2010 245.810 1.923.380
July 2010 355.520 1.677.570
June 2010 364.460 1.322.050
May 2010 295.200 957.590
April 2010 318.520 662.390
March 2010 189.240 343.870
February 2010 66.700 154.630
January 2010 40.100 87.930
December 2009 31.840 47.830
November 2009 (12 days) 15.990 15.990

Note that the official numbers – as measured by the company that manages the electricity distribution network – are somewhat lower (they’re about 1.1% lower, according to my calculations of June 2013).

* * * * *

Additional data: here are the production numbers for the meteorological seasons, i.e. “Spring” = the total production March, April and May, “Summer” = the total production of June, July and August, “Autumn” = the total production of September, October and November, and “Winter” = the total production of December (of the previous year), January and February.

Production of Electricity per Meteorological Season, in Wh
Year Winter Spring Summer Autumn
2021 163.900 ... ... ...
2020 133.970 784.930 824.460 350.570
2019 180.600 645.190 852.720 347.320
2018 174.740 655.370 870.000 429.820
2017 155.910 671.370 826.080 348.020
2016 181.100 657.650 770.660 381.560
2015 157.450 717.520 878.760 346.530
2014 182.040 723.920 811.830 373.630
2013 148.310 636.670 895.650 368.570
2012 175.030 676.620 853.820 394.680
2011 138.640 830.140 776.170 420.780
2010 138.640 802.960 965.790 380.570

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