v3.6.0.2
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Non-Qualified Stock Option Activity
A summary of all of our non-qualified stock option activity for the Calpine Equity Incentive Plans for the year ended December 31, 2016, is as follows:
 
Number of
Shares
 
Weighted Average
Exercise Price
 
Weighted
Average
Remaining
Term
(in years)
 
Aggregate
Intrinsic Value
(in millions)
Outstanding — December 31, 2015
3,055,172

 
$
13.62

 
3.9
 
$
5

Exercised
156,758

 
$
11.64

 
 
 
 
Expired
201,278

 
$
15.62

 
 
 
 
Outstanding — December 31, 2016
2,697,136

 
$
13.59

 
3.0
 
$
2

Exercisable — December 31, 2016
2,697,136

 
$
13.59

 
3.0
 
$
2

Vested and expected to vest – December 31, 2016
2,697,136

 
$
13.59

 
3.0
 
$
2

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 year ended December 31, 2016, is as follows:
 
Number of
Restricted
Stock Awards
 
Weighted
Average
Grant-Date
Fair Value
Nonvested — December 31, 2015
3,528,270

 
$
19.91

Granted
2,994,292

 
$
12.39

Forfeited
248,282

 
$
16.12

Vested
1,404,632

 
$
18.70

Nonvested — December 31, 2016
4,869,648

 
$
15.83

Schedule of Share-based Compensation, Activity [Table Text Block]
A summary of our performance share unit activity for the year ended December 31, 2016, is as follows:
 
Number of
Performance Share Units
 
Weighted
Average
Grant-Date
Fair Value
Nonvested — December 31, 2015
517,906

 
$
23.36

Granted
657,807

 
$
14.81

Vested
285,126

 
$
20.70

Nonvested — December 31, 2016
890,587

 
$
17.90