Pension and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2011

Schedule of components of net periodic pension benefit cost

	Quarter Ended June 30,						Six Months Ended June 30,

	2011			2010			2011			2010

	(In millions)
Components of net periodic pension benefit cost
Service cost	$	15.0		$	9.1		$	26.4		$	18.6
Interest cost		24.6			19.7			47.2			41.4
Expected return on plan assets		(32.3	)		(23.2	)		(62.3	)		(49.9	)
Recognized net actuarial loss		11.9			8.7			24.1			16.8
Amortization of prior service cost		1.1			0.9			2.1			1.9
Amount capitalized as construction cost		(3.2	)		(2.9	)		(6.1	)		(4.8	)

Net periodic pension benefit cost¹	$	17.1		$	12.3		$	31.4		$	24.0

1 BGE's portion of our net periodic pension benefit cost, excluding amounts capitalized, was $9.0 million for the quarter ended June 30, 2011 and $8.5 million for the quarter ended June 30, 2010. BGE's portion of our net periodic pension benefit cost, excluding amounts capitalized, was $18.1 million for the six months ended June 30, 2011 and $14.8 million for the six months ended June 30, 2010. Net periodic pension benefit costs exclude settlement charges of $1.5 million in the quarter and six months ended June 30, 2010.

Schedule of components of net periodic postretirement benefit cost

	Quarter Ended June 30,						Six Months Ended June 30,

	2011			2010			2011			2010

	(In millions)
Components of net periodic postretirement benefit cost
Service cost	$	0.8		$	0.6		$	1.5		$	1.3
Interest cost		5.1			5.0			9.3			9.7
Amortization of transition obligation		0.5			0.6			1.0			1.1
Recognized net actuarial loss (gain)		0.2			(0.1	)		0.8			0.2
Amortization of prior service cost		(0.9	)		(0.7	)		(1.5	)		(1.4	)
Amount capitalized as construction cost		(1.7	)		(1.6	)		(3.1	)		(2.9	)

Net periodic postretirement benefit cost¹	$	4.0		$	3.8		$	8.0		$	8.0

1 BGE's portion of our net periodic postretirement benefit cost, excluding amounts capitalized, was $4.9 million for the quarter ended June 30, 2011 and $4.6 million for the quarter ended June 30, 2010. BGE's portion of our net periodic postretirement benefit costs, excluding amounts capitalized, was $9.5 million for the six months ended June 30, 2011 and $9.4 million for the six months ended June 30, 2010.