WORLD TRADE CENTRE BAHRAIN

The Bahrain World Trade Center is the first commercial building in the world to incorporate large-scale wind turbines within its design to harness wind power. It has three massive wind turbines that measure 29 meters in diameter that are supported on bridges between the BWTC's two 240 meter high towers. The tower structures themselves help funnel the existing on-shore Gulf breeze that is used to generate greater power efficiency.

Three 96-foot propellers suspended between the towers will supply the 42-storey spires with over 1100 megawatts per year. The shape of the building itself will create an accelerated airflow for the jumbo blades. Three bridges connect the towers, each hold one large 29 m (32 yd) turbine. These turbines face north, which is the direction of the prevailing winds inn the Persian Gulf.

The sail-shaped buildings on either side are designed to funnel wind through the gap to provide the maximum amount of wind for the turbines. This was confirmed by wind tunnel tests, which showed the the building create an ‘S’-shaped flow, ensuring that any wind coming within a 45° angle to either side of the central axis will create a wind stream that remains perpendicular to the turbines. This significantly increases their potential to generate electricity. The wind turbines are expected to provide 11% to 15% of the towers’ total power consumption. This is equivalent to providing the lighting for about 300 homes annually. The three turbines were turned on for the first time on 8 April 2008.