XML 40 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Regulatory Matters (Tables)
6 Months Ended
Jun. 30, 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:
June 30, 2020December 31, 2019
Regulatory assets
Deferred energy and fuel cost adjustments (a)
$36,900  $34,088  
Deferred gas cost adjustments (a)
226  1,540  
Gas price derivatives (a)
662  3,328  
Deferred taxes on AFUDC (b)
7,715  7,790  
Employee benefit plans (c)
115,416  115,900  
Environmental (a)
1,426  1,454  
Loss on reacquired debt (a)
23,820  24,777  
Renewable energy standard adjustment (a)
 1,622  
Deferred taxes on flow through accounting (c)
44,940  41,220  
Decommissioning costs (b)
9,854  10,670  
Gas supply contract termination (a)
5,521  8,485  
Other regulatory assets (a)
25,831  20,470  
Total regulatory assets272,312  271,344  
Less current regulatory assets(51,745) (43,282) 
Regulatory assets, non-current$220,567  $228,062  
Regulatory liabilities
Deferred energy and gas costs (a)
$28,279  $17,278  
Employee benefit plan costs and related deferred taxes (c)
41,025  43,349  
Cost of removal (a)
168,137  166,727  
Excess deferred income taxes (c)
288,796  285,438  
TCJA revenue reserve3,027  3,418  
Other regulatory liabilities (c)
36,557  20,442  
Total regulatory liabilities565,821  536,652  
Less current regulatory liabilities(59,428) (33,507) 
Regulatory liabilities, non-current$506,393  $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.