DERIVATIVES AND HEDGE ACCOUNTING ACTIVITIES (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The following table presents the volume of Questar Gas' derivative activity at December 31, 2016. These volumes are based on open derivative positions and represent the combined absolute value of their long and short positions, except in the case of offsetting transactions, for which they represent the absolute value of the net volume of their long and short positions.

	Current	Noncurrent
Natural Gas (bcf):
Basis	8.8	30.5

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following table presents the fair values of Questar Gas' derivatives and where they are presented in its Balance Sheets. Questar Gas did not have any derivative balances at December 31, 2015.

	Fair Value - Derivatives  not under Hedge  Accounting		Total  Fair  Value
(millions)
At December 31, 2016
ASSETS
Current Assets
Commodity	$	0.1	$	0.1
Total current derivative assets(1)	0.1		0.1
Total derivative assets	$	0.1	$	0.1
LIABILITIES
Current Liabilities
Commodity	$	0.1	$	0.1
Total current derivative liabilities(2)	0.1		0.1
Total derivative liabilities	$	0.1	$	0.1

(1) Current derivative assets are presented in prepaid expenses and other current assets in Questar Gas’ Balance Sheets.

(2) Current derivative liabilities are presented in other current liabilities in Questar Gas’ Balance Sheets.

Derivative Instruments, Gain (Loss)

The following tables present the gains and losses on Questar Gas' derivatives, as well as where the associated activity is presented in its Statements of Income.

Derivatives not designated as hedging instruments	Amount of Gain (Loss) Recognized in Income on Derivatives (1)
Year Ended December 31,	2016			2015		2014
(millions)
Derivative Type and Location of Gains (Losses)
Commodity(2)
Purchased gas	$	(0.2	)	$	—	$	—
Total	$	(0.2	)	$	—	$	—

(1) Includes derivative activity amortized out of regulatory assets/liabilities. Amounts deferred into regulatory assets/liabilities have no associated effect in Questar Gas' Statements of Income.

(2) Amounts recorded in Questar Gas' Statements of Income are classified in cost of sales.