Black Island, Antarctica. One of the harshest wind turbine installations in the world. Routine category 5 hurricane winds. Top speeds reaching almost 89 meters/sec (200 mph). Temperatures falling to minus 57 degrees Celcius (minus 70 degrees Farenheit). Marine environments. Super-critical loads. One wind turbine prevails–the HR3, a high-reliability 3 kW wind turbine that Black Island Wind Turbines will soon be offering for commercial sales to satisfy the most difficult site and customer demands around the world.