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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
CURRENT ASSETS |  |
Cash and cash equivalents | $ 13,968 | $ 9,969
Customer and other receivables | 324,659 | 391,923
Accrued unbilled revenues | 132,765 | 133,980
Allowance for doubtful accounts (Note 2) | (24,666) | (25,354)
Materials and supplies (at average cost) | 358,287 | 349,135
Income tax receivable | 6,972 | 7,514
Fossil fuel (at average cost) | 20,772 | 18,032
Assets from risk management activities (Note 7) | 206,102 | 63,481
Deferred fuel and purchased power regulatory asset (Note 4) | 354,816 | 388,148
Other regulatory assets (Note 4) | 131,444 | 130,376
Other current assets | 69,474 | 83,896
Total current assets | 1,594,593 | 1,551,100
INVESTMENTS AND OTHER ASSETS |  |
Nuclear decommissioning trusts (Notes 11 and 12) | 1,227,465 | 1,294,757
Other special use funds (Notes 11 and 12) | 349,042 | 358,410
Assets from risk management activities (Note 7) | 91,521 | 46,908
Other assets | 105,605 | 97,884
Total investments and other assets | 1,773,633 | 1,797,959
PROPERTY, PLANT AND EQUIPMENT |  |
Plant in service and held for future use | 21,844,618 | 21,688,661
Accumulated depreciation and amortization | (7,597,037) | (7,504,603)
Net | 14,247,581 | 14,184,058
Construction work in progress | 1,418,308 | 1,329,478
Palo Verde sale leaseback, net of accumulated depreciation (Note 6) | 93,199 | 94,166
Intangible assets, net of accumulated amortization | 269,802 | 273,693
Nuclear fuel, net of accumulated amortization | 119,296 | 106,039
Total property, plant and equipment | 16,148,186 | 15,987,434
DEFERRED DEBITS |  |
Regulatory assets (Note 4) | 1,184,246 | 1,192,987
Operating lease right-of-use assets | 896,907 | 890,057
Assets for pension and other postretirement benefits (Note 5) | 563,019 | 545,723
Other | 40,370 | 37,962
Total deferred debits | 2,684,542 | 2,666,729
TOTAL ASSETS | 22,200,954 | 22,003,222
CURRENT LIABILITIES |  |
Accounts payable | 343,255 | 393,083
Accrued taxes | 222,492 | 168,645
Accrued interest | 61,648 | 57,332
Common dividends payable | 0 | 95,988
Short-term borrowings (Note 3) | 262,950 | 292,000
Current maturities of long-term debt (Note 3) | 0 | 150,000
Customer deposits | 41,628 | 42,293
Liabilities from risk management activities (Note 7) | 1,706 | 4,373
Liabilities for asset retirements | 4,069 | 4,473
Operating lease liabilities | 100,949 | 100,443
Regulatory liabilities (Note 4) | 448,778 | 296,271
Other current liabilities | 109,255 | 151,968
Total current liabilities | 1,596,730 | 1,756,869
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 3) | 7,226,624 | 6,913,735
DEFERRED CREDITS AND OTHER |  |
Deferred income taxes | 2,318,959 | 2,311,862
Regulatory liabilities (Note 4) | 2,438,672 | 2,499,213
Liabilities for asset retirements | 771,720 | 762,909
Liabilities for pension benefits (Note 5) | 149,856 | 152,865
Customer advances | 314,664 | 257,151
Coal mine reclamation | 175,776 | 174,616
Deferred investment tax credit | 186,251 | 186,570
Unrecognized tax benefits | 4,758 | 4,657
Operating lease liabilities | 735,718 | 728,401
Other | 231,090 | 232,914
Total deferred credits and other | 7,327,464 | 7,311,158
COMMITMENTS AND CONTINGENCIES (NOTE 8) |  |
EQUITY |  |
Common stock, no par value; authorized 150,000,000 shares, 113,047,699 and 113,014,528 issued at respective dates | 2,706,325 | 2,702,743
Treasury stock at cost; 50,921 and 87,608 shares at respective dates | (3,648) | (6,401)
Total common stock | 2,702,677 | 2,696,342
Retained earnings | 3,281,601 | 3,264,719
Accumulated other comprehensive loss | (53,708) | (54,861)
Total shareholders’ equity | 5,930,570 | 5,906,200
Noncontrolling interests (Note 6) | 119,566 | 115,260
Total equity | 6,050,136 | 6,021,460
TOTAL LIABILITIES AND EQUITY | $ 22,200,954 | $ 22,003,222

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