2004

2004

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Performance of the GTAC PV System for 2004

This page contains measured performance data for the GTAC PV system for the
year 2004.

  • AC Energy Production [MWh]
Month Measured Predicted
January 21.2 18.7
February 17.6 22.6
March 38.5 34.0
April 36.2 39.7
May 25.9 46.9
June 26.6 42.9
July 33.0 44.0
August 32.6 42.5
September 30.2 31.7
October 19.9* 32.3
November 18.0 23.0
December 19.5* 18.8

* These values are estimated due to datalogger problems.

  • Mean module temperature (daylight hours) [oC]

Month Measured Predicted
January 16.8 10.5
February 15.5 12.3
March 30.8 19.3
April 34.4 28.5
May 39.5 33.3
June 39.4 35.5
July 44.3 37.4
August 43.8 38.4
September 35.7 32.2
October 30.4 26.8
November 23.9 18.6
December 18.5 12.0

  • Daily average solar energy flux [kWh/m2/day]
Month Measured Predicted
January 2.64 3.15
February 2.42 3.43
March 5.03 4.68
April 5.77 5.39
May 5.66 6.31
June 4.90 5.98
July 5.93 5.98
August 5.44 5.76
September 4.23 4.43
October 2.44 4.29
November 2.43 3.11
December 2.60 2.44

  • Average sunlight-to-AC-power efficiency [%]
Month Measured
January 8.65
February 8.50
March 8.02
April 7.70
May 7.94
June 8.02
July 7.73
August 7.63
September 7.83
October 9.65
November 9.09
December 8.57

  • Typical DC voltage range [V]
Month Measured
January 375-450
February 365-440
March 335-435
April 335-455
May 330-430
June 320-400
July 320-400
August 325-405
September 335-410
October 350-430
November 365-425
December 370-440

Last updated: March 2, 2005