v3.3.1.900

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015, is as follows:

	Number of Shares			Weighted Average Exercise Price				Weighted Average Remaining Term (in years)		Aggregate Intrinsic Value (in millions)
Outstanding — December 31, 2014	11,086,320			$	18.82			2.0		$	43
Exercised	1,153,680			$	13.70
Expired	6,877,468			$	21.98
Outstanding — December 31, 2015	3,055,172			$	13.62			3.9		$	5
Exercisable — December 31, 2015	3,055,172			$	13.62			3.9		$	5
Vested and expected to vest – December 31, 2015	3,055,172			$	13.62			3.9		$	5

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, 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	1,614,378			$	21.25
Forfeited	325,608			$	19.66
Vested	1,962,368			$	16.99
Nonvested — December 31, 2015	3,528,270			$	19.91

Schedule of Share-based Compensation, Activity [Table Text Block]

A summary of our performance share unit activity for the year ended December 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	365,667			$	23.91
Forfeited	113,993			$	22.38
Vested	601,247			$	21.82
Nonvested — December 31, 2015	517,906			$	23.36

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- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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