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Regulatory Matters (Tables)
 9 Months Ended
Sep. 30, 2022
Regulatory Assets and Liabilities Disclosure [Abstract]  
Schedule of Regulatory Assets and Liabilities
We had the following regulatory assets and liabilities (in thousands):

As ofAs of
September 30, 2022December 31, 2021
Regulatory assets
Winter Storm Uri (a)
$392,994 $509,025 
Deferred energy and fuel cost adjustments (b)
74,998 59,973 
Deferred gas cost adjustments (b)
18,764 9,488 
Gas price derivatives (b)
10,776 2,584 
Deferred taxes on AFUDC (b)
7,407 7,457 
Employee benefit plans and related deferred taxes (c)
86,335 88,923 
Environmental (b)
1,346 1,385 
Loss on reacquired debt (b)
19,663 21,011 
Deferred taxes on flow through accounting (b)
66,039 63,243 
Decommissioning costs (b)
4,094 5,961 
Other regulatory assets (b)
23,790 27,549 
Total regulatory assets706,206 796,599 
   Less current regulatory assets(290,087)(270,290)
Regulatory assets, non-current$416,119 $526,309 
Regulatory liabilities
Deferred energy and gas costs (b)
$6,283 $6,113 
Employee benefit plan costs and related deferred taxes (c)
31,168 32,241 
Cost of removal (b)
174,312 179,976 
Excess deferred income taxes (c)
257,282 264,042 
Other regulatory liabilities (c)
25,715 20,579 
Total regulatory liabilities494,760 502,951 
   Less current regulatory liabilities(24,797)(17,574)
Regulatory liabilities, non-current$469,963 $485,377 
__________
(a)    Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction. See further information below.
(b)    Recovery of costs, but we are not 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.