DNV GL have been providing independent expert advice on wind energy since 1984. DNV GL has offices in 18 countries, and is recognised as the leading independent authority. Our clients include major wind turbine manufacturers and developers, banks and lenders. We have acted as Banks and Owners Engineer for over 18,000 MW of operating wind farms worldwide, and have carried out energy resource assessments of over 80,000MW. DNV GL provides wind farm design and development services, and wind turbine design, analysis and certification support. DNV GL products include the Forecaster, which is used to provide short term forecasts of the wind energy production of wind farms, DNV GL Bladed, DNV GL WindFarmer and DNV GL SCADA, a leading independent wind farm management, information and reporting tool.