TY - SER AU - Rehfeldt, Knud TI - Internationale Entwicklung der Windenergienutzung mit 31.12.1999 KW - WIND ENERGY KW - WORLD-WIND ENERGY N1 - In 1999 the world market of wind energy utilisation increased rapidly and grew by 51.0 p.c. related to 1998 [2]. That means wind turbine generator systems (WTGS) with an installed capacity of 3,924 MW were sold world-wide in 1999 ER -