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Regulatory and Rate Matters (Tables)

6 Months Ended

Jun. 30, 2016

Regulated Operations [Abstract]

Schedule of Rate Increases for Transmission Costs

The following sets forth TNMP’s recent interim transmission cost rate increases:

Effective Date		Approved Increase in Rate Base				Annual Increase in Revenue
		(in millions)
September 8, 2014		$	25.2			$	4.2
March 16, 2015		27.1				4.4
September 10, 2015		7.0				1.4
March 23, 2016		25.8				4.3

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