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