Performance of the GTAC PV System for 2007
This page contains measured performance data for the GTAC PV system for the
year 2007.
- AC Energy Production [MWh]
| Month | Measured | Predicted |
| January | 18.5 | 18.7 |
| February | 19.0 | 22.6 |
| March | 34.0 | 34.0 |
| April | 37.6 | 39.7 |
| May | 41.4 | 46.9 |
| June | 38.5 | 42.9 |
| July | 41.5 | 44.0 |
| August | 33.0 | 42.5 |
| September | 32.9 | 31.7 |
| October | 30.0 | 32.3 |
| November | 21.5 | 23.0 |
| December | 19.2 | 18.8 |
* These values are estimated due to datalogger problems.
-
Mean module temperature (daylight hours) [oC]
| Month | Measured | Predicted |
| January | 21.0 | 10.5 |
| February | 18.8 | 12.3 |
| March | 27.2 | 19.3 |
| April | 36.2 | 28.5 |
| May | 39.4 | 33.3 |
| June | 44.2 | 35.5 |
| July | 46.0 | 37.4 |
| August | 47.1 | 38.4 |
| September | 41.3 | 32.2 |
| October | 33.9 | 26.8 |
| November | 19.0 | 18.6 |
| December | 11.7 | 12.0 |
- Daily average solar energy flux [kWh/m2/day]
| Month | Measured | Predicted |
| January | 2.80 | 3.15 |
| February | 3.23 | 3.43 |
| March | 5.12 | 4.68 |
| April | 6.10 | 5.39 |
| May | 6.24 | 6.31 |
| June | 6.35 | 5.98 |
| July | 6.75 | 5.98 |
| August | 5.95 | 5.76 |
| September | 5.11 | 4.43 |
| October | 4.55 | 4.29 |
| November | 3.0 | 3.11 |
| December | 2.15 | 2.44 |
- Average sunlight-to-AC-power efficiency [%]
| Month | Measured |
| January | 7.25 |
| February | 7.18 |
| March | 6.87 |
| April | 6.68 |
| May | 6.61 |
| June | 5.78 |
| July | 6.22 |
| August | 6.51 |
| September | 6.75 |
| October | 6.99 |
| November | 6.82 |
| December | 6.75 |
- Typical DC voltage range [V]
| Month | Measured |
| January | 370-435 |
| February | 365-440 |
| March | 340-430 |
| April | 330-420 |
| May | 315-415 |
| June | 320-400 |
| July | 315-390 |
| August | 320-395 |
| September | 325-415 |
| October | 340-425 |
| November | 360-420 |
| December | 370-440 |
Last updated: 2007