Pole height propostition 14 m 13 m 12 m 11 m 10 m 9m 8m 7m 6m 5m 4m 3m 2m 1m Pole height 4m 6- 8 m 8- 10 m 10 m 12 m 14 - 16 m 68 W 102 W 170 W Standard modules 18 W 37 W 137 W High-density modules 37 W 137 W 6