Interest in other entities - Subsidiaries (Details) - subsidiary
|
12 Months Ended |
Jun. 30, 2024 |
Jun. 30, 2023 |
| Australia and United States |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Number of subsidiaries |
14
|
|
| Nabors Transition Energy Corp |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Neptune Merger Sub, Inc. |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
0.00%
|
100.00%
|
| NWQHPP Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
100.00%
|
| Solar Methanol 1 Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
100.00%
|
| Vast Solar Aurora Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
100.00%
|
| Vast Solar 1 Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
100.00%
|
| Vast Solar Consulting Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
100.00%
|
| Vast Employee Shareholdings Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Vast Intermediate HoldCo Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Vast Australia HoldCo Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| HyFuel Solar Refinery Pty Ltd |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Vast Renewables HoldCo Corp |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Vast Renewables Management Services LLC |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| Vast US Projects HoldCo Corp |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|
| El Paso ProjectCo LLC |
|
|
| Disclosure of subsidiaries [line items] |
|
|
| Proportion of ownership interest in subsidiary |
100.00%
|
0.00%
|