v3.20.1
Equity method investments in unconsolidated affiliates - Op Results (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Operating results    
Revenue $ 37.8 $ 32.8
Project expenses 23.8 19.5
Project other expenses (0.3) (0.4)
Equity in earnings of unconsolidated affiliates 13.7 12.9
Distributions from equity method investments (6.0) (5.8)
Surplus of earnings of equity method investments, net of distributions 7.7 7.1
Frederickson    
Operating results    
Revenue 8.0 5.8
Project expenses 5.4 3.4
Net income 2.6 2.4
Orlando Cogen, LP    
Operating results    
Revenue 14.6 15.5
Project expenses 6.3 7.5
Net income 8.3 8.0
Chambers Cogen, LP    
Operating results    
Revenue 10.6 11.5
Project expenses 8.1 8.6
Project other expenses (0.3) (0.4)
Net income 2.2 $ 2.5
Craven County Wood Energy, LP    
Operating results    
Revenue 3.1  
Project expenses 2.6  
Net income 0.5  
Grayling Generating Station, LP    
Operating results    
Revenue 1.5  
Project expenses 1.4  
Net income $ 0.1