Related Party Transactions	6 Months Ended
Jun. 30, 2022
Related Party Transactions [Abstract]
Related Party Transactions	Note 20—Related Party Transactions TotalEnergies S.E. During the three and six months ended June 30, 2021, the Company recognized revenue of $0.9 million and $1.6 million, respectively, related to RINs and LNG sold to TotalEnergies and its affiliates in the ordinary course of business and from settlements on commodity swap contracts (Note 6). During the three and six months ended June 30, 2022, the Company recognized revenue of $1.5 million and $2.9 million, respectively, related to equipment lease revenue and LNG sold to TotalEnergies and its affiliates in the ordinary course of business. As of December 31, 2021 and June 30, 2022, the Company had receivables from TotalEnergies of $1.4 million and $1.5 million, respectively. During the three and six months ended June 30, 2021, the Company paid TotalEnergies $0.5 million and $1.0 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts (Note 6), and the guaranty fee under the CSA (Note 12). During the three and six months ended June 30, 2022, the Company paid TotalEnergies $2.8 million and $3.6 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts, and the guaranty fee under the CSA. As of December 31, 2021, the amount due to TotalEnergies was $0.1 million. As of June 30, 2022, total payables due to TotalEnergies were immaterial. SAFE&CEC S.r.l. During the three and six months ended June 30, 2021, the Company received $0.0 million and $0.2 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. During the three and six months ended June 30, 2022, the Company received $0.1 million and $0.1 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. The receivables balance as of December 31, 2021 was immaterial. As of June 30, 2022, the Company had receivables from SAFE&CEC S.r.l. of $0.1 million. During the three and six months ended June 30, 2021, the Company paid SAFE&CEC S.r.l. $1.7 million and $2.5 million, respectively, for parts and equipment in the ordinary course of business. During the three and six months ended June 30, 2022, the Company paid SAFE&CEC S.r.l. $1.6 million and $5.7 million, respectively, for parts and equipment in the ordinary course of business. As of December 31, 2021 and June 30, 2022, the Company had payables to SAFE&CEC S.r.l. of $0.2 million and $0.4 million, respectively. TotalEnergies JV and bpJV Pursuant to LLC agreements under the TotalEnergies JV and the bpJV, the Company manages the day-to-day operations of RNG projects under the joint ventures in exchange for management fees. During the three and six months ended June 30, 2022, the Company recognized management fee revenue of $0.3 million and $0.6 million, respectively, related to the TotalEnergies JV and the bpJV. No management fee revenue was recognized during the three and six months ended June 30, 2021. As of December 31, 2021 and June 30, 2022, the Company had receivables from the two joint ventures of $0.4 million and $0.3 million, respectively.

Related Party Transactions

6 Months Ended

Jun. 30, 2022

Note 20—Related Party Transactions

TotalEnergies S.E.

During the three and six months ended June 30, 2021, the Company recognized revenue of $0.9 million and $1.6 million, respectively, related to RINs and LNG sold to TotalEnergies and its affiliates in the ordinary course of business and from settlements on commodity swap contracts (Note 6). During the three and six months ended June 30, 2022, the Company recognized revenue of $1.5 million and $2.9 million, respectively, related to equipment lease revenue and LNG sold to TotalEnergies and its affiliates in the ordinary course of business. As of December 31, 2021 and June 30, 2022, the Company had receivables from TotalEnergies of $1.4 million and $1.5 million, respectively.

During the three and six months ended June 30, 2021, the Company paid TotalEnergies $0.5 million and $1.0 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts (Note 6), and the guaranty fee under the CSA (Note 12). During the three and six months ended June 30, 2022, the Company paid TotalEnergies $2.8 million and $3.6 million, respectively, for expenses incurred in the ordinary course of business, settlements on commodity swap contracts, and the guaranty fee under the CSA. As of December 31, 2021, the amount due to TotalEnergies was $0.1 million. As of June 30, 2022, total payables due to TotalEnergies were immaterial.

SAFE&CEC S.r.l.

During the three and six months ended June 30, 2021, the Company received $0.0 million and $0.2 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. During the three and six months ended June 30, 2022, the Company received $0.1 million and $0.1 million, respectively, from SAFE&CEC S.r.l. in the ordinary course of business. The receivables balance as of December 31, 2021 was immaterial. As of June 30, 2022, the Company had receivables from SAFE&CEC S.r.l. of $0.1 million.

During the three and six months ended June 30, 2021, the Company paid SAFE&CEC S.r.l. $1.7 million and $2.5 million, respectively, for parts and equipment in the ordinary course of business. During the three and six months ended

June 30, 2022, the Company paid SAFE&CEC S.r.l. $1.6 million and $5.7 million, respectively, for parts and equipment in the ordinary course of business. As of December 31, 2021 and June 30, 2022, the Company had payables to SAFE&CEC S.r.l. of $0.2 million and $0.4 million, respectively.

TotalEnergies JV and bpJV

Pursuant to LLC agreements under the TotalEnergies JV and the bpJV, the Company manages the day-to-day operations of RNG projects under the joint ventures in exchange for management fees. During the three and six months ended June 30, 2022, the Company recognized management fee revenue of $0.3 million and $0.6 million, respectively, related to the TotalEnergies JV and the bpJV. No management fee revenue was recognized during the three and six months ended June 30, 2021. As of December 31, 2021 and June 30, 2022, the Company had receivables from the two joint ventures of $0.4 million and $0.3 million, respectively.