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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Current Assets    
Cash and Cash Equivalents $ 21,199 $ 861
Accounts Receivable:    
Trade (less allowance for doubtful accounts of $1,339 for 2019 and $1,407 for 2018) 77,947 75,144
Other 8,773 9,741
Inventories 97,851 106,270
Unbilled Receivables 20,911 23,626
Income Taxes Receivable 1,487 2,439
Regulatory Assets 21,650 17,225
Other 5,042 6,114
Total Current Assets 254,860 241,420
Investments 9,894 8,961
Other Assets 40,196 35,759
Goodwill 37,572 37,572
Other Intangibles–Net 11,290 12,450
Regulatory Assets 144,138 135,257
Right of Use Asset – Operating Leases 21,851 0
Plant    
Electric Plant in Service 2,212,884 2,019,721
Nonelectric Operations 247,356 228,120
Construction Work in Progress 185,238 181,626
Total Gross Plant 2,645,478 2,429,467
Less Accumulated Depreciation and Amortization 891,684 848,369
Net Plant 1,753,794 1,581,098
Total Assets 2,273,595 2,052,517
Current Liabilities    
Short-Term Debt 6,000 18,599
Current Maturities of Long-Term Debt 183 172
Accounts Payable 120,775 96,291
Accrued Salaries and Wages 22,730 24,857
Accrued Taxes 17,525 17,287
Regulatory Liabilities 7,480 738
Current Operating Lease Liabilities 4,136 0
Other Accrued Liabilities 10,912 12,149
Total Current Liabilities 189,741 170,093
Pensions Benefit Liability 98,970 98,358
Other Postretirement Benefits Liability 71,437 71,561
Long-Term Operating Lease Liabilities 18,193 0
Other Noncurrent Liabilities 30,833 24,326
Commitments and Contingencies (note 9)
Deferred Credits    
Deferred Income Taxes 131,941 120,976
Deferred Tax Credits 18,626 19,974
Regulatory Liabilities 239,906 226,469
Other 2,885 1,895
Total Deferred Credits 393,358 369,314
Capitalization    
Total Otter Tail Corporation Long-Term Debt net of Unamortized Debt Issuance Costs 689,581 590,002
Common Shares, Par Value $5 Per Share–Authorized, 50,000,000 Shares; Outstanding, 2019—40,157,591 Shares; 2018—39,664,884 Shares 200,788 198,324
Premium on Common Shares 364,790 344,250
Retained Earnings 222,341 190,433
Accumulated Other Comprehensive Loss (6,437) (4,144)
Total Common Equity 781,482 728,863
Total Capitalization 1,471,063 1,318,865
Total Liabilities and Equity 2,273,595 2,052,517
Cumulative Preferred Shares [Member]    
Capitalization    
Cumulative Shares 0 0
Cumulative Preference Shares [Member]    
Capitalization    
Cumulative Shares $ 0 $ 0