Rate Matters Rate Matters (Tables)

12 Months Ended

Dec. 31, 2015

Public Utilities, General Disclosures [Abstract]

NSP-Wisconsin's 2016 Electric and Gas Rate Case [Table Text Block]

The major components of the requested rate increases and the PSCW's approval are summarized as follows:

Electric Rate Request (Millions of Dollars)	NSP-Wisconsin Request			PSCW Approval
Capital investments	$	23.0		$	13.9
ROE & other capital structure adjustments	—			(3.8		)
Generation and transmission expenses (excluding fuel and purchased power)	37.2			42.7
O&M expenses	11.1			3.2
Sales forecast	(27.0		)	(27.0		)
Rate increase - non-fuel and purchased power	44.3			29.0
Rate reduction - fuel and purchased power	(16.9		)	(21.4		)
Total electric rate increase	$	27.4		$	7.6

Natural Gas Rate Request (Millions of Dollars)	NSP-Wisconsin Request			PSCW Approval
Capital investments	$	3.7		$	3.7
ROE & other capital structure adjustments	—			(0.4		)
O&M expenses	3.2			1.9
Environmental remediation expenses	2.9			2.9
Sales forecast	(3.9		)	(3.9		)
Total natural gas rate increase	$	5.9		$	4.2