🇦🇺Australia

Brine Reinjection Clogging Costs

1 verified sources

Definition

In Australian geothermal projects, particularly in Perth's Yarragadee sandstone aquifer, reinjection clogging leads to pressure increases up to 15 bar before cleaning, directly raising operating costs through maintenance and downtime.

Key Findings

  • Financial Impact: AUD 50,000-200,000/year per project in cleaning, filtration maintenance, and lost capacity (based on 7 projects avoiding severe issues via 25-100 micron filters at 2-10 bar pressures)
  • Frequency: Ongoing operational (monthly/quarterly cleaning cycles)
  • Root Cause: Manual filtration inadequacies and poor aquifer matching causing TSS >5 mg/L in low-permeability zones

Why This Matters

The Pitch: Geothermal operators in Australia waste AUD 100,000+ annually per site on clogging mitigation and cleaning. Automation of advanced filtration and monitoring eliminates this risk.

Affected Stakeholders

Operations Manager, Maintenance Engineer, Site Supervisor

Deep Analysis (Premium)

Financial Impact

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Current Workarounds

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Methodology & Sources

Data collected via OSINT from regulatory filings, industry audits, and verified case studies.

Evidence Sources:

Related Business Risks

Reinjection-Induced Capacity Decline

10-30% reduction in injection rates leading to AUD 500,000+ annual revenue loss per MW capacity from downtime and suboptimal flows

Environmental Non-Reinjection Fines

AUD 50,000-500,000 per violation (EPA fines for wastewater mismanagement) + remediation costs

Capacity Factor Reporting Losses

AUD30-65/MWh lost revenue from unclaimed LGCs; potential 2-5% annual revenue leakage for eligible plants

AEMO Reporting Non-Compliance Fines

AUD5,000-50,000 per reporting breach; plus lost dispatch revenue from capacity under-reporting

EPBC Act Non-Compliance Fines

AUD 500,000+ in fines and delay costs per violation; 12-24 months project delays costing AUD 1-5M

EIA Process Cost Overruns

AUD 2-5M per project for EIA (20-40% overrun typical); AUD 100k+ for biodiversity action plans

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