Nebraska is all over the place. Some have gotten renewed within a month of biometrics. Others are still waiting.
My timeline
Renewal packet received: 11/26/14
Biometrics: 12/22/14
EAD expiration: 4/9/15
Application sent: Oct. 27
Application received: Oct. 31
Service Center: Nebraska
Acceptance letter received: Nov. 4
Date of Biometrics : Nov. 24
Approval: still pending
Expiration day: March 1st , in a week!! And no approval yet :/