2002

2002

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Performance of the GTAC PV System for 2002

This page contains measured performance data for the GTAC PV system for the
year 2002.

AC Energy Production [MWh]

Month	Measured	Predicted
January	1.0^*	18.7
February	15.7^*	22.6
March	0.0^*	34.0
April	17.9^*	39.7
May	36.5	46.9
June	35.8	42.9
July	34.3	44.0
August	31.6	42.5
September	21.3	31.7
October	18.1	32.3
November	14.5	23.0
December	12.7	18.8

^*^{System was taken off line several times due

to SAC2 construction.}

Mean daylight-hours module temperature [^oC]

Month	Measured	Predicted
January	8.2	10.5
February	21.7	12.3
March	24.8	19.3
April	32.5	28.5
May	39.1	33.3
June	43.5	35.5
July	45.5	37.4
August	45.5	38.4
September	37.6	32.2
October	30.5	26.8
November	20.9	18.6
December	15.3	12.0

Daily average solar energy flux [kWh/m²/day]

Month	Measured	Predicted
January	2.26	3.15
February	4.50	3.43
March	4.85	4.68
April	5.44	5.39
May	6.55	6.31
June	6.76	5.98
July	6.37	5.98
August	5.87	5.76
September	3.99	4.43
October	3.13	4.29
November	2.84	3.11
December	2.35	2.44

Average sunlight-to-AC-power efficiency [%]

Month	Measured^*
January	7.39
February	6.93
March	N/A^*
April	6.10
May	6.67
June	6.52
July	6.43
August	6.47
September	6.61
October	6.95
November	7.37
December	7.59

^* No data due to SAC2 construction.

Typical DC voltage range [V]

Month	Measured
January	400-435
February	360-445
March	N/A
April	325-410
May	320-425
June	325-405
July	320-400
August	320-390
September	325-400
October	335-420
November	375-430
December	380-435

* No data due to SAC2 construction..

Last updated:
Tuesday, April 08, 2003