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Retirement benefits - (Tables) - HECO

3 Months Ended

Mar. 31, 2012

Retirement benefits

Schedule of components of net periodic benefit cost for consolidated HECO

Three months ended March 31		Pension benefits						Other benefits
(in thousands)		2012			2011			2012			2011
Service cost		$	10,191		$	8,917		$	1,096		$	1,267
Interest cost		16,771			16,309			2,281			2,461
Expected return on plan assets		(17,856		)	(17,101		)	(2,621		)	(2,648		)
Amortization of net transition obligation		—			1			—			—
Amortization of prior service gain		(81		)	(97		)	(448		)	(224		)
Amortization of net actuarial loss		6,423			4,405			453			15
Net periodic benefit cost		15,448			12,434			761			871
Impact of PUC D&Os		(3,857		)	(1,544		)	(680		)	1,018
Net periodic benefit cost (adjusted for impact of PUC D&Os)		$	11,591		$	10,890		$	81		$	1,889

Hawaiian Electric Company, Inc. and Subsidiaries

Retirement benefits

Schedule of components of net periodic benefit cost for consolidated HECO

Three months ended March 31		Pension benefits						Other benefits
(in thousands)		2012			2011			2012			2011
Service cost		$	9,802		$	8,565		$	1,048		$	1,223
Interest cost		15,261			14,849			2,205			2,384
Expected return on plan assets		(16,060		)	(15,284		)	(2,579		)	(2,608		)
Amortization of net transition obligation		—			—			(2		)	(2		)
Amortization of net prior service gain		(172		)	(187		)	(451		)	(227		)
Amortization of net actuarial loss		5,869			4,120			440			18
Net periodic benefit cost		14,700			12,063			661			788
Impact of PUC D&Os		(3,857		)	(1,544		)	(680		)	1,018
Net periodic benefit cost (adjusted for impact of PUC D&Os)		$	10,843		$	10,519		$	(19	)	$	1,806

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 715

-SubTopic 20

-Publisher FASB

-Number

-Article

-Subparagraph (h)

-Name Accounting Standards Codification

-Paragraph 1

-Section 50

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

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