| Schedule of Property plant and equipment |
Property, plant and equipment as of June 30, 2024 and December 31, 2023 consisted of the following (in thousands): | | | | | | | | | June 30, | | December 31, | | | 2024 | | 2023 | Land | | $ | 5,706 | | $ | 6,049 | Construction in progress | | | 891,606 | | | 1,109,896 | Hydrogen production plants | | | 364,703 | | | 77,107 | Building and leasehold improvements | | | 104,650 | | | 95,229 | Software, machinery, and equipment | | | 252,011 | | | 229,352 | Property, plant and equipment | | | 1,618,676 | | | 1,517,633 | Less: accumulated depreciation | | | (108,983) | | | (81,456) | Property, plant and equipment, net | | $ | 1,509,693 | | $ | 1,436,177 |
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