Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2020

Regulatory Assets and Liabilities Disclosure [Abstract]

Schedule of Regulatory Assets and Liabilities

We had the following regulatory assets and liabilities (in thousands) as of:

	March 31, 2020			December 31, 2019
Regulatory assets
Deferred energy and fuel cost adjustments (a)	$	35,687		$	34,088
Deferred gas cost adjustments (a)	—			1,540
Gas price derivatives (a)	1,302			3,328
Deferred taxes on AFUDC (b)	7,739			7,790
Employee benefit plans (c)	117,150			115,900
Environmental (a)	1,439			1,454
Loss on reacquired debt (a)	24,299			24,777
Renewable energy standard adjustment (a)	340			1,622
Deferred taxes on flow through accounting (c)	44,589			41,220
Decommissioning costs (b)	10,248			10,670
Gas supply contract termination (a)	7,007			8,485
Other regulatory assets (a)	22,429			20,470
Total regulatory assets	272,229			271,344
Less current regulatory assets	(49,415		)	(43,282		)
Regulatory assets, non-current	$	222,814		$	228,062
Regulatory liabilities
Deferred energy and gas costs (a)	$	40,002		$	17,278
Employee benefit plan costs and related deferred taxes (c)	41,518			43,349
Cost of removal (a)	170,954			166,727
Excess deferred income taxes (c)	283,690			285,438
TCJA revenue reserve	5,147			3,418
Other regulatory liabilities (c)	17,183			20,442
Total regulatory liabilities	558,494			536,652
Less current regulatory liabilities	(54,345		)	(33,507		)
Regulatory liabilities, non-current	$	504,149		$	503,145

__________

(a) Recovery of costs, but we are not allowed a rate of return.

(b) In addition to recovery of costs, we are allowed a rate of return.

(c) In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.