Wind energy data, 2008 — Vattenfall Europe transmission control area  

Author:  Vattenfall Europe

Median installed wind power generation capacity:  9,340 MW
Assured performance (Dena credit, 4-5% of installed capacity):  460 MW
Maximum infeed:  7,994 MW
Minimum infeed:  1 MW
Largest quarter-hour changes:  +485 MW / −563 MW
Largest hourly changes:  +1,393 MW / −1,824 MW
Largest daily changes:  +7,302 MW / −6,398 MW
Capacity factor:  20.14%
Installed capacity at end of 2008:  9,680 MW

Source: http://www.vattenfall.de/cps/rde/xchg/trm_de/hs.xsl/151.htm