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Leases (Tables)
 6 Months Ended
Jun. 30, 2025
Leases [Abstract]  
Schedule of Lease Costs
The following table provides information related to our lease costs (dollars in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Operating Lease Cost - PPAs and Energy Storage PPA Lease Contracts$76,947 $39,391 $89,494 $40,328 
Operating Lease Cost - Land, Property, and Other Equipment5,286 5,025 10,623 9,798 
Total Operating Lease Cost82,233 44,416 100,117 50,126 
Variable Lease Cost (a)32,838 47,783 54,208 69,347 
Short-term Lease Cost528 6,445 1,120 9,245 
Total Lease Cost$115,599 $98,644 $155,445 $128,718 
(a)     Primarily relates to PPA lease contracts.
The following tables provide other additional information related to operating lease liabilities (dollars in thousands):
Six Months Ended June 30,
20252024
Cash paid for amounts included in the measurement of lease liabilities — operating cash flows:$60,813 $18,278 
Right-of-use operating lease assets obtained in exchange for operating lease liabilities:$2,071,145 (a)$309,141 
June 30, 2025December 31, 2024
Weighted average remaining lease term16 years11 years
Weighted average discount rate (b)5.47 %4.90 %

(a)Primarily relates to various new energy storage PPA operating leases, that have commenced in 2025.
(b)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 Maturities of Operating Lease Labilities
The following table provides information related to the maturity of our operating lease liabilities (dollars in thousands):
June 30, 2025
YearPPAs and Energy Storage PPA Lease ContractsLand, Property and Equipment LeasesTotal
2025 (remaining six months of 2025)$216,654 $9,838 $226,492 
2026355,402 17,062 372,464 
2027381,465 14,481 395,946 
2028385,407 11,789 397,196 
2029389,492 9,656 399,148 
2030393,621 5,663 399,284 
Thereafter3,462,329 58,191 3,520,520 
Total lease commitments5,584,370 126,680 5,711,050 
Less imputed interest1,927,257 41,271 1,968,528 
Total lease liabilities$3,657,113 $85,409 $3,742,522