Properties, plant and equipment, net consisted of the following at the end of each period presented.

 

 

Depreciation

 

Estimated useful

 

June 30,

 

 

June 30,

 

Asset category

 

method

 

life (in years)

 

2025

 

 

2024

 

 

 

 

 

 

 

(in thousands)

 

Land

 

N/A

 

 

$

1,533

 

 

$

1,533

 

Small-scale facility — plant

 

Straight-line

 

3.75

 

 

69,313

 

 

 

69,619

 

Injection and recovery wells

 

Straight-line

 

5

 

 

6,134

 

 

 

6,134

 

Buildings

 

Straight-line

 

7-15

 

 

979

 

 

 

979

 

Vehicles

 

Straight-line

 

3-5

 

 

305

 

 

 

345

 

Other plant and equipment

 

Straight-line

 

5-10

 

 

754

 

 

 

729

 

 

 

 

 

 

 

79,018

 

 

 

79,339

 

Less accumulated depreciation

 

 

 

 

 

 

(25,360

)

 

 

(5,467

)

Properties, plant and equipment, net

 

 

 

 

 

$

53,658

 

 

$

73,872

 

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.