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Share-based compensation (Tables) | 12 Months Ended
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Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expense and related income tax benefit | The Company’s share-based compensation expense and related income tax benefit were as follows:
(in millions) | 2014 |  |  | 2013 |  |  | 2012 |
HEI consolidated |  |  |  |  |
Share-based compensation expense 1 | $ | 9.3 |  |  | $ | 7.8 |  |  | $ | 6.7 |
Income tax benefit | 3.4 |  |  | 2.8 |  |  | 2.4 |
Hawaiian Electric consolidated |  |  |  |  |
Share-based compensation expense 1 | 3.1 |  |  | 2.3 |  |  | 1.8 |
Income tax benefit | 1.2 |  |  | 0.9 |  |  | 0.7 |
1 | $0.16 million, $0.11 million and $0.08 million of this share-based compensation expense was capitalized in 2014, 2013 and 2012, respectively.
Schedule of common stock granted to nonemployee directors | HEI granted HEI common stock to nonemployee directors of HEI, Hawaiian Electric and ASB under the 2011 Director Plan as follows:
(dollars in millions) | 2014 |  |  | 2013 |  |  | 2012 |
Shares granted | 33,170 |  |  | 33,184 |  |  | 29,448 |
Fair value | $ | 0.8 |  |  | $ | 0.8 |  |  | $ | 0.8 |
Income tax benefit | 0.3 |  |  | 0.3 |  |  | 0.3 |
Summary of information about nonqualified stock options | Information about HEI’s NQSOs was as follows:
|  | 2013 |  | 2012
|  | Shares |  |  | (1) |  | Shares |  |  | (1)
Outstanding, January 1 |  | 14,000 |  |  | $ | 20.49 |  |  | 55,500 |  |  | $ | 20.92 |
Granted |  | — |  |  | — |  |  | — |  |  | — |
Exercised |  | (14,000 | ) |  | 20.49 |  |  | (41,500 | ) |  | 21.06 |
Forfeited |  | — |  |  | — |  |  | — |  |  | — |
Expired |  | — |  |  | — |  |  | — |  |  | — |
Outstanding, December 31 |  | — |  |  | $ | — |  |  | 14,000 |  |  | $ | 20.49 |
Exercisable, December 31 |  | — |  |  | $ | — |  |  | 14,000 |  |  | $ | 20.49 |
(1) | Weighted-average exercise price
Schedule of nonqualified stock options activity and statistics | NQSO activity and statistics were as follows:
(in thousands) | 2013 |  |  | 2012 |
Cash received from exercise | $ | 287 |  |  | $ | 874 |
Intrinsic value of shares exercised 1 | 128 |  |  | 354 |
Tax benefit realized for the deduction of exercises | 50 |  |  | 138 |
1 | Intrinsic value is the amount by which the fair market value of the underlying stock and the related dividend equivalents exceeds the exercise price of the option.
Summary of information about stock appreciation rights | Information about HEI’s SARs is summarized as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  | (1) |  | Shares |  | (1) |  | Shares |  | (1)
Outstanding, January 1 | 164,000 |  |  | $ | 26.12 |  |  | 164,000 |  |  | $ | 26.12 |  |  | 282,000 |  |  | $ | 26.14 |
Granted | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Exercised | (22,000 | ) |  | 26.18 |  |  | — |  |  | — |  |  | (114,000 | ) |  | 26.17 |
Forfeited | (62,000 | ) |  | 26.02 |  |  | — |  |  | — |  |  | — |  |  | — |
Expired | — |  |  | — |  |  | — |  |  | — |  |  | (4,000 | ) |  | 26.18 |
Outstanding, December 31 | 80,000 |  |  | $ | 26.18 |  |  | 164,000 |  |  | $ | 26.12 |  |  | 164,000 |  |  | $ | 26.12 |
Exercisable, December 31 | 80,000 |  |  | $ | 26.18 |  |  | 164,000 |  |  | $ | 26.12 |  |  | 164,000 |  |  | $ | 26.12 |
(1) | Weighted-average exercise price
December 31, 2014 |  | Outstanding & Exercisable (Vested)
Year of Grant |  | Number of shares underlying SARs |  |  | Weighted-average remaining contractual life |  | Weighted-average exercise price |
2005 |  | 80,000 |  |  | 0.3 |  | $ | 26.18 |
Schedule of stock appreciation rights by grant year |
(1) | Weighted-average exercise price
December 31, 2014 |  | Outstanding & Exercisable (Vested)
Year of Grant |  | Number of shares underlying SARs |  |  | Weighted-average remaining contractual life |  | Weighted-average exercise price |
2005 |  | 80,000 |  |  | 0.3 |  | $ | 26.18 |
Schedule of stock appreciation rights activity and statistics | SARs activity and statistics were as follows:
(in thousands) | 2014 |  |  | 2013 |  |  | 2012 |
Intrinsic value of shares exercised 1 | $ | 29 |  |  | $ | — |  |  | $ | 197 |
Tax benefit realized for the deduction of exercises | 11 |  |  | — |  |  | 77 |
1 | Intrinsic value is the amount by which the fair market value of the underlying stock and the related dividend equivalents exceeds the exercise price of the right.
Schedule of restricted share and stock awards | Information about HEI’s grants of restricted shares and restricted stock awards was as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  | (1) |  | Shares |  |  | (1) |  | Shares | (1)
Outstanding, January 1 | 4,503 |  |  | $ | 22.21 |  |  | 9,005 |  |  | $ | 22.21 |  |  | 46,807 |  |  | $ | 24.45 |
Granted | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Vested | (4,503 | ) |  | 22.21 |  |  | (4,502 | ) |  | 22.21 |  |  | (37,802 | ) |  | 24.99 |
Forfeited | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Outstanding, December 31 | — |  |  | $ | — |  |  | 4,503 |  |  | $ | 22.21 |  |  | 9,005 |  |  | $ | 22.21 |
(1) | Weighted-average grant-date fair value per share based on the closing or average price of HEI common stock on the date of grant.
Schedule of restricted stock units | Restricted stock units. Information about HEI’s grants of restricted stock units was as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  |  | (1) |  | Shares |  |  | (1) |  | Shares |  |  | (1)
Outstanding, January 1 | 288,151 |  |  | $ | 25.17 |  |  | 315,094 |  |  | $ | 22.82 |  |  | 247,286 |  |  | $ | 21.80 |
Granted | 117,786 |  |  | 25.17 |  |  | 111,231 |  |  | 26.88 |  |  | 98,446 |  |  | 25.99 |
Vested | (144,702 | ) |  | 24.09 |  |  | (118,885 | ) |  | 20.48 |  |  | (25,728 | ) |  | 24.68 |
Forfeited | — |  |  | — |  |  | (19,289 | ) |  | 25.62 |  |  | (4,910 | ) |  | 24.92 |
Outstanding, December 31 | 261,235 |  |  | $ | 25.77 |  |  | 288,151 |  |  | $ | 25.17 |  |  | 315,094 |  |  | $ | 22.82 |
Total weighted-average grant-date fair value of shares granted ($ millions) | $ | 3.0 |  |  |  |  | $ | 3.0 |  |  |  |  | $ | 2.6 |  |  |
(1) | Weighted-average grant-date fair value per share based on the average price of HEI common stock on the date of grant.
Schedule of Long-Term Incentive Plan (LTIP) linked to total return to shareholders | Information about HEI’s LTIP grants linked to TRS was as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  |  | (1) |  | Shares |  |  | (1) |  | Shares |  |  | (1)
Outstanding, January 1 | 232,127 |  |  | $ | 32.88 |  |  | 239,256 |  |  | $ | 29.12 |  |  | 197,385 |  |  | $ | 25.94 |
Granted | 97,524 |  |  | 22.95 |  |  | 91,038 |  |  | 32.69 |  |  | 81,223 |  |  | 30.71 |
Vested (settled or lapsed) | (70,189 | ) |  | 35.46 |  |  | (87,753 | ) |  | 22.45 |  |  | (35,397 | ) |  | 14.85 |
Forfeited | (1,506 | ) |  | 28.32 |  |  | (10,414 | ) |  | 32.72 |  |  | (3,955 | ) |  | 30.82 |
Outstanding, December 31 | 257,956 |  |  | $ | 28.45 |  |  | 232,127 |  |  | $ | 32.88 |  |  | 239,256 |  |  | $ | 29.12 |
Total weighted-average grant-date fair value of shares granted ($ millions) | $ | 2.2 |  |  |  |  | $ | 3.0 |  |  |  |  | $ | 2.5 |  |  |
(1) | Weighted-average grant-date fair value per share determined using a Monte Carlo simulation model.
Schedule of assumptions used to determine the fair value of Long-Term Incentive Plan (LTIP) linked to total return to shareholders (TRS) | The following table summarizes the assumptions used to determine the fair value of the LTIP awards linked to TRS and the resulting fair value of LTIP awards granted:
| 2014 |  |  | 2013 |  |  | 2012 |
Risk-free interest rate | 0.66 | % |  | 0.38 | % |  | 0.33 | %
Expected life in years | 3 |  |  | 3 |  |  | 3 |
Expected volatility | 17.8 | % |  | 19.4 | % |  | 25.3 | %
Range of expected volatility for Peer Group | 12.4% to 23.3% |  |  | 12.4% to 25.3% |  |  | 15.5% to 34.5% |
Grant date fair value (per share) | $ | 22.95 |  |  | $ | 32.69 |  |  | $ | 30.71 |
Schedule of Long-Term Incentive Plan (LTIP) linked to other performance conditions | Information about HEI’s LTIP awards payable in shares linked to other performance conditions was as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  |  | (1) |  | Shares |  |  | (1) |  | Shares |  |  | (1)
Outstanding, January 1 | 296,843 |  |  | $ | 26.14 |  |  | 247,175 |  |  | $ | 25.04 |  |  | 182,498 |  |  | $ | 22.63 |
Granted | 129,603 |  |  | 25.18 |  |  | 120,399 |  |  | 26.89 |  |  | 125,157 |  |  | 26.05 |
Vested and settled | (65,089 | ) |  | 24.95 |  |  | (18,280 | ) |  | 18.95 |  |  | — |  |  | — |
Increase above target (cancelled) | 4,949 |  |  | 26.70 |  |  | (41,599 | ) |  | 24.97 |  |  | (50,786 | ) |  | 18.95 |
Forfeited | (1,575 | ) |  | 26.07 |  |  | (10,852 | ) |  | 26.20 |  |  | (9,694 | ) |  | 24.44 |
Outstanding, December 31 | 364,731 |  |  | $ | 26.01 |  |  | 296,843 |  |  | $ | 26.14 |  |  | 247,175 |  |  | $ | 25.04 |
Total weighted-average grant-date fair value of shares granted (at target performance levels) ($ millions) | $ | 3.3 |  |  |  |  | $ | 3.2 |  |  |  |  | $ | 3.3 |  |  |
(1) | Weighted-average grant-date fair value per share based on the average price of HEI common stock on the date of grant.

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- Definition Tabular disclosure of the number and weighted-average grant date fair value of shares that were outstanding at the beginning and end of the year, and the number of Long-Term Incentive Plan awards that were granted, vested, or forfeited during the year that were linked to other performance conditions. + References No definition available. + Details
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- Definition Tabular disclosure of other activity and statistics relating to stock options. May include the number and weighted-average exercise prices of share options that were exercised or converted, forfeited, and expired during the year as well as intrinsic value of shares exercised, information about cash received from exercises and tax benefits realized for the deduction of exercises. + References No definition available. + Details
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