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v3.23.4

Solar Energy Systems, Net | 12 Months Ended
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Dec. 31, 2023
Leases [Abstract] |
Solar Energy Systems, Net | Solar Energy Systems, Net Our solar energy systems, net, consisted of the following (in millions):
| December 31, 2023 |  | December 31, 2022
Solar energy systems in service | $ | 6,755 |  |  | $ | 6,785 |
Initial direct costs related to customer solar energy system lease acquisition costs | 104 |  |  | 104 |
| 6,859 |  |  | 6,889 |
Less: accumulated depreciation and amortization (1) | (1,643) |  |  | (1,418) |
| 5,216 |  |  | 5,471 |
Solar energy systems under construction | 1 |  |  | 2 |
Solar energy systems pending interconnection | 12 |  |  | 16 |
Solar energy systems, net (2) | $ | 5,229 |  |  | $ | 5,489 |
(1)Depreciation and amortization expense during the years ended December 31, 2023, 2022 and 2021 was $235 million, $235 million and $236 million, respectively. (2)As of December 31, 2023 and 2022, there were $740 million and $802 million, respectively, of gross solar energy systems under lease pass-through fund arrangements with accumulated depreciation of $157 million and $148 million, respectively.

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