Compared to normal levels the positive pre-tax gross margin effect from weather was approximately $49 million or about $0.21 per share.

Coal generation fleet availability was higher than last year primarily due to planned outages at both Iatan units and at La Cygne 1 in 2011. Nuclear availability was negatively impacted due to the unplanned outage at Wolf Creek in the first quarter of 2012 and in the second quarter of 2011 for the extended refueling outage.
       
Year Ended December 31     2012     2011
Equivalent Availability - Coal Plants 85% 81%
Capacity Factor - Coal Plants 70% 65%
 
Equivalent Availability - Nuclear 80% 71%
Capacity Factor - Nuclear 81% 72%
 
Equivalent Availability - Coal and Nuclear 84% 80%
Capacity Factor - Coal and Nuclear     72%     66%
 

Electric Utility Segment Fourth Quarter:

Quarterly net income for the Electric Utility segment was $6.4 million or $0.04 per share compared to $10.0 million or $0.07 per share in 2011.

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