v2.4.1.9
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Activity [Table Text Block]
A summary of our performance share unit activity for the three months ended March 31, 2015, is as follows:
 
Number of
Performance Share Units
 
Weighted
Average
Grant-Date
Fair Value
Nonvested — December 31, 2014
867,479

 
$
21.93

Granted
340,730

 
$
23.91

Forfeited
37,235

 
$
21.99

Vested(1)
8,254

 
$
22.56

Nonvested — March 31, 2015
1,162,720

 
$
22.50


___________
(1)
In accordance with the applicable performance share unit agreements, performance share units granted to employees who meet the retirement eligibility requirements stipulated in the Equity Plan are fully vested upon the later of the date on which the employee becomes eligible to retire or one-year anniversary of the grant date.
Schedule of Restricted Stock and Restricted Stock Unit Activity
A summary of our restricted stock and restricted stock unit activity for the Calpine Equity Incentive Plans for the three months ended March 31, 2015, is as follows:
 
Number of
Restricted
Stock Awards
 
Weighted
Average
Grant-Date
Fair Value
Nonvested — December 31, 2014
4,201,868

 
$
18.01

Granted
1,510,546

 
$
21.46

Forfeited
70,901

 
$
18.80

Vested
1,515,774

 
$
16.36

Nonvested — March 31, 2015
4,125,739

 
$
19.86