v3.25.4
FINANCIAL STATEMENT SCHEDULE - Condensed Balance Sheets (Details) - USD ($)
$ / shares in Units, $ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Current assets:        
Cash and cash equivalents $ 20,686 $ 11,114    
Other current assets 8,086 8,593    
Total current assets 190,593 190,714    
Other assets        
Other 35,890 28,893    
Total other assets 1,023,426 977,768    
Total assets 5,149,566 4,658,309    
Stockholders’ equity:        
Common stock, $0.001 par value; authorized 70,000,000 shares in 2025 and 2024; issued and outstanding 36,118,242 shares in 2025 and 33,629,169 shares in 2024 36 34    
Additional paid-in capital 958,188 827,796    
Retained earnings 581,080 537,184    
Accumulated other comprehensive income 1,467 1,960    
Total stockholders’ equity 1,540,771 1,366,974 $ 1,233,397 $ 1,110,868
Long-term debt, less current portion 1,866,819 1,706,904    
Total capitalization 3,407,590 3,073,878    
Current liabilities:        
Line of credit 86,834 119,124    
Accounts payable 75,427 56,256    
Accrued interest 18,241 17,476    
Other current liabilities 20,942 23,236    
Total current liabilities 273,378 261,173    
Deferred income taxes 307,893 276,043    
Other noncurrent liabilities 23,920 22,298    
Total capitalization and liabilities $ 5,149,566 $ 4,658,309    
Common stock, par value (in usd per share) $ 0.001 $ 0.001    
Common stock, shares authorized (in shares) 70,000,000 70,000,000    
Common stock, shares issued (in shares) 36,118,242 33,629,169    
Common stock, shares outstanding (in shares) 36,118,242 33,629,169    
H2O America        
Assets        
Investments in subsidiaries $ 2,037,519 $ 1,877,922    
Current assets:        
Cash and cash equivalents 175 1,306    
Intercompany receivables 6,680 1,473    
Intercompany notes receivable 102,780 74,119    
Other current assets 4,372 1,177    
Total current assets 114,007 78,075    
Other assets        
Other 287 222    
Total other assets 287 222    
Total assets 2,151,813 1,956,219    
Stockholders’ equity:        
Common stock, $0.001 par value; authorized 70,000,000 shares in 2025 and 2024; issued and outstanding 36,118,242 shares in 2025 and 33,629,169 shares in 2024 36 34    
Additional paid-in capital 958,188 827,796    
Retained earnings 581,080 537,184    
Accumulated other comprehensive income 1,467 1,960    
Total stockholders’ equity 1,540,771 1,366,974    
Long-term debt, less current portion 557,832 557,430    
Total capitalization 2,098,603 1,924,404    
Current liabilities:        
Line of credit 11,000 3,000    
Intercompany payables 0 2,210    
Intercompany notes payable 966 0    
Accounts payable 3,274 1,588    
Accrued interest 3,258 3,224    
Income tax payable 31,661 16,871    
Other current liabilities 408 765    
Total current liabilities 50,567 27,658    
Deferred income taxes 815 2,488    
Other noncurrent liabilities 1,828 1,669    
Total capitalization and liabilities $ 2,151,813 $ 1,956,219