Siemens Gamesa awarded the largest repowering order to date in North America by MidAmerican Energy The company will supply and install 163 SG 2.7-129 wind turbines, operating at 2.38 MW and 18 previously sold SWT-2.3-108 wind turbines to repower the Rolling Hills wind project (429.3 MW), with an option for 12 additional wind turbines The nacelles and hubs will come from Hutchinson, Kansas nacelle and hub assembly facility and blades will come from Fort Madison, Iowa blade manufacturing facility (WK-intern) - Siemens Gamesa has been selected by MidAmerican Energy Company for the Rolling Hills wind power project for a total of 429.3 MW,