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Leases (Tables)
6 Months Ended
Jun. 30, 2024
Leases [Abstract]  
Schedule of Lease Cost and Additional Information
The following tables provide information related to our lease costs (dollars in thousands):

Three Months Ended
June 30,
Six Months Ended
June 30,
2024202320242023
Operating Lease Cost - Purchased Power & Energy Storage Lease Contracts$39,391 $35,655 $40,328 $35,655 
Operating Lease Cost - Land, Property, and Other Equipment5,025 4,798 9,798 9,574 
Total Operating Lease Cost44,416 40,453 50,126 45,229 
Variable Lease Cost (a)47,783 47,994 69,347 64,724 
Short-term Lease Cost6,445 7,403 9,245 8,804 
Total Lease Cost$98,644 $95,850 $128,718 $118,757 

(a)     Primarily relates to purchased power lease contracts.
The following tables provide other additional information related to operating lease liabilities (dollars in thousands):
Six Months Ended
June 30, 2024
Six Months Ended June 30, 2023
Cash paid for amounts included in the measurement of lease liabilities — operating cash flows:$18,278 $13,798 
Right-of-use operating lease assets obtained in exchange for operating lease liabilities309,141 (a)553,665 (b)

June 30, 2024December 31, 2023
Weighted average remaining lease term12 years10 years
Weighted average discount rate (c)4.85 %4.53 %

(a)    Primarily relates to the two new energy storage operating lease agreements that commenced in 2024.
(b)    Primarily relates to the two purchased power operating lease agreements that were modified in January 2023.
(c) Most of our lease agreements do not contain an implicit rate that is readily determinable. For these agreements, we use our incremental borrowing rate to measure the present value of lease liabilities. We determine our incremental borrowing rate at lease commencement based on the rate of interest that we would have to pay to borrow, on a collateralized basis over a similar term, an amount equal to the lease payments in a similar economic environment. We use the implicit rate when it is readily determinable.
Schedule of Future Minimum Payments
The following table provides information related to the maturity of our operating lease liabilities (dollars in thousands):
June 30, 2024
YearPurchased Power & Energy Storage Lease ContractsLand, Property & Equipment LeasesTotal
2024 (remaining six months of 2024)$113,769 $8,881 $122,650 
2025152,272 14,321 166,593 
2026165,997 12,006 178,003 
2027191,917 9,568 201,485 
2028195,714 7,126 202,840 
2029199,651 5,137 204,788 
Thereafter1,053,174 60,862 1,114,036 
Total lease commitments2,072,494 117,901 2,190,395 
Less imputed interest526,282 41,712 567,994 
Total lease liabilities$1,546,212 $76,189 $1,622,401