Vestas Wind Systems A/S offers 1.65 MegaWatt Turbine with ActiveStall Technology, V82-1.65 MW. Vestas Wind Systems A/S is an ISO 14001 and OHSAS 18001 certified company. 1.65 MegaWatt Turbine uses ActiveStall registered trademark technology which ensures that the rotor gathers the maximum power available from the prevailing wind. 1.65 MegaWatt Turbine with ActiveStall Technology is installed in sites with extreme temperatures as in arctic to tropical regions.