2005

2005

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Performance of the GTAC PV System for 2005


This page contains measured performance data for the GTAC PV system for the
year 2005.


  • AC Energy Production [MWh]
Month Measured Predicted
January 21.3 18.7
February 20.7 22.6
March 33.2 34.0
April 39.5 39.7
May 44.9 46.9
June 37.8 42.9
July 22.3 44.0
August 32.8 42.5
September 35.2 31.7
October 27.6 32.3
November 20.0 23.0
December 18.3 18.8

* These values are estimated due to datalogger problems.


  • Mean module temperature (daylight hours) [oC]

Month Measured Predicted
January 19.2 10.5
February 20.6 12.3
March 25.0 19.3
April 32.5 28.5
May 37.5 33.3
June 40.9 35.5
July 42.7 37.4
August 43.0 38.4
September 44.4 32.2
October 33.4 26.8
November 26.2 18.6
December 16.5 12.0


  • Daily average solar energy flux [kWh/m2/day]
Month Measured Predicted
January 2.60 3.15
February 2.82 3.43
March 4.18 4.68
April 5.35 5.39
May 6.02 6.31
June 5.35 5.98
July 4.85 5.98
August 5.43 5.76
September 6.05 4.43
October 4.38 4.29
November 3.30 3.11
December 2.70 2.44


  • Average sunlight-to-AC-power efficiency [%]
Month Measured
January 8.63
February 8.44
March 8.41
April 8.07
May 7.97
June 7.66
July 9.13
August 6.48
September 6.36
October 6.57
November 8.33
December 7.15


  • Typical DC voltage range [V]
Month Measured
January 365-450
February 350-460
March 340-440
April 340-450
May 325-425
June 315-405
July 320-400
August 315-410
September 320-400
October 335-435
November 350-430
December 375-440


Last updated: 2005