Performance of the GTAC PV System for 2009
This page contains measured performance data for the GTAC PV system for the
year 2009.
- AC Energy Production [MWh]
| Month | Measured | Predicted |
| January | 16.5 | 18.7 |
| February | 18.2 | 22.6 |
| March | 31.0 | 34.0 |
| April | 34.4 | 39.7 |
| May | 37.6 | 46.9 |
| June | 29.9 | 42.9 |
| July | 35.6 | 44.0 |
| August | 31.0 | 42.5 |
| September | 29.8 | 31.7 |
| October | 22.5 | 32.3 |
| November | 18.5 | 23.0 |
| December | 19.8 | 18.8 |
* These values are estimated due to datalogger problems.
-
Mean module temperature (daylight hours) [oC]
| Month | Measured | Predicted |
| January | 19.9 | 10.5 |
| February | 18.1 | 12.3 |
| March | 28.6 | 19.3 |
| April | 37.1 | 28.5 |
| May | 38.5 | 33.3 |
| June | 44.2 | 35.5 |
| July | 47.5 | 37.4 |
| August | 45.7 | 38.4 |
| September | 38.5 | 32.2 |
| October | 31.5 | 26.8 |
| November | 22.9 | 18.6 |
| December | 18.2 | 12.0 |
- Daily average solar energy flux [kWh/m2/day]
| Month | Measured | Predicted |
| January | 2.85 | 3.15 |
| February | 3.15 | 3.43 |
| March | 5.25 | 4.68 |
| April | 6.41 | 5.39 |
| May | 6.75 | 6.31 |
| June | 7.15 | 5.98 |
| July | 6.12 | 5.98 |
| August | 5.85 | 5.76 |
| September | 5.50 | 4.43 |
| October | 4.55 | 4.29 |
| November | 2.75 | 3.11 |
| December | 2.25 | 2.44 |
- Average sunlight-to-AC-power efficiency [%]
| Month | Measured |
| January | 6.95 |
| February | 7.20 |
| March | 7.05 |
| April | 6.65 |
| May | 6.50 |
| June | 5.92 |
| July | 6.24 |
| August | 6.55 |
| September | 6.50 |
| October | 6.95 |
| November | 9.00 |
| December | 8.50 |
- 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 | 365-425 |
| December | 370-440 |
Last updated: 2009