Quarterly report pursuant to Section 13 or 15(d)

Revenues - Disaggregation of Revenue by Product Type (Details)

v3.21.4
Revenues - Disaggregation of Revenue by Product Type (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Revenue from External Customer [Line Items]        
Revenue $ 11,781 $ 1,904 $ 18,563 $ 4,496
RNG, including RINs and LCFSs        
Revenue from External Customer [Line Items]        
Revenue 5,525 0 6,346 0
Gas O&M service        
Revenue from External Customer [Line Items]        
Revenue 110 0 110 0
Power, including RECs        
Revenue from External Customer [Line Items]        
Revenue 5,125 0 7,363 0
Electric O&M service        
Revenue from External Customer [Line Items]        
Revenue 156 0 156 0
Equipment and associated services        
Revenue from External Customer [Line Items]        
Revenue $ 865 $ 1,904 $ 4,588 $ 4,496