The NSW Government’s newly released direction for coal mining to 2050 provides one of the clearest signals yet about how the sector is expected to evolve over coming decades.

At a high level, the message is balanced but firm. Coal will continue to play an important role in supporting the state economy, regional jobs and export markets, but that future will sit within tighter boundaries. The framework signals continuity for existing operations, stronger emissions expectations, no support for new standalone greenfield coal mines, and a more deliberate focus on how coal-producing regions prepare for structural change over time.

Importantly, one of the best outcomes from this release is that it provides greater certainty.

That certainty matters. It helps industry, government and regional communities make better decisions about investment, approvals, mine planning, closure and transition. Even where parts of the message are restrictive, clarity is still better than ambiguity. A known framework gives everyone a clearer basis for planning than an uncertain one.

Coal remains economically significant to NSW

The report is also a timely reminder that coal remains a major contributor to the NSW economy.

The 2025 calendar year statistics are significant:

• $2.7 billion in royalties
• 26% of the state’s merchandise export revenue
• 35 mines produced coal
• 23,800 people directly employed in coal mining
• $23.4 billion in export value

Those are not marginal numbers. They reflect an industry that still underpins regional employment, state revenue and export performance.

The report also reinforces that NSW coal continues to have a strong market in Asia, particularly because of its quality. Export destinations in 2025 were led by Japan (43%), China (27%) and Taiwan (10%), with additional demand from South Korea (4%), Vietnam (4%), Malaysia (4%), Thailand (3%) and India (1%).

That is an important point in this discussion. NSW’s high-quality coal still has demand in Asia, and that demand continues to support local jobs, regional economies and export income. So while the policy is clearly about managing a long-term transition, it also recognises the ongoing role of the sector in supplying established export markets.

What the policy direction is really saying

This is not a message of immediate withdrawal from the sector, nor is it a signal of unconstrained growth. It is a policy position built around three themes: support for existing mines, constraint on new greenfield development, and a growing focus on transition and post-mining land use.

The key principles are relatively clear.

NSW is indicating that the coal industry will continue to support local economies and deliver reliable supply to trading partners. Existing operations remain important, and the government recognises that there are sufficient coal reserves at or near many existing mines to meet forecast local and export demand through extensions.

At the same time, the State has drawn a distinct line on new development. NSW will not consider applications for new greenfield coal mines. Exploration will be permitted near existing mine sites, but new greenfield coal exploration areas will not be opened up, and government investment in coal exploration will end.

For existing mines and extensions, the pathway remains open, but only through robust project-by-project assessment and increasingly strong regulatory expectations. Emissions are clearly central to this. Scope 1 and Scope 2 emissions, as well as local impacts and continuing consideration of Scope 3 emissions, will remain part of the assessment framework. The industry is also expected to keep contributing to the State’s net zero objectives through operational abatement, monitoring and the use of offsets where abatement is not feasible.

In simple terms, NSW is saying: existing mines can continue and may extend where justified, but the sector’s future must align with stronger environmental controls, emissions management and a planned approach to economic transition.

What this means for the sector

For industry, this creates a clearer picture of where investment and strategy should be focused.

The biggest winners from a certainty perspective are existing operations with extension potential. Mines with reserves near existing footprints now have a more visible policy pathway than speculative new standalone developments. The framework supports continuity, but it also raises the bar on how that continuity is justified.

That certainty is valuable. It gives proponents, investors, communities and regulators a more stable basis for planning. It also provides a more realistic foundation for conversations about closure, regional development and future land use.

For proponents, this means the future of coal mining in NSW will increasingly be shaped by:

• extension pathways rather than greenfield expansion
• stronger emissions performance and clearer abatement expectations
• continued scrutiny of local and broader environmental impacts
• rehabilitation that is not treated as a final compliance step, but as part of a longer-term land use strategy

For coal regions and communities, the framework also acknowledges a reality that has been building for some time: even where existing coal mines continue, change in global coal demand will influence the long-term future of regional economies. The role of the Future Jobs and Investment Authority, and the commitment to implement the recommendations of the Legislative Council inquiry into beneficial and productive post-mining land use, reinforces that transition planning is no longer peripheral. It is now part of the mainstream policy conversation.

The most important opportunity: reuse of mine land

For me, one of the most significant elements in the framework is not just what it says about mining approvals, but what it says about former mining land.

This deserves real emphasis.

The report points to a future in which former mining land can support new industries and jobs. It recognises that the reuse of existing mine infrastructure and assets may create opportunities to establish new economic activity, attract investment and deliver long-term regional employment. It also makes clear that government intends to play a more active role in providing guidance, planning support and strategic coordination to help unlock these outcomes.

That is a very important shift in emphasis.

Too often, post-mining land has been treated primarily as a closure liability, something to be stabilised, secured and left behind. While safe and stable rehabilitation remains essential, that cannot be the end of the conversation. The stronger opportunity lies in recognising post-mining land as a strategic regional asset.

The reuse of mine land has the potential to reshape how we think about closure and transition.

Done well, it can:

• create a platform for new industries
• make productive use of existing infrastructure and disturbed land
• attract investment into regional economies
• support job creation beyond the life of the mine
• turn rehabilitation from a compliance endpoint into an economic development opportunity

That does not mean every site will support every use. The report rightly notes that future land uses will always depend on site-specific physical, environmental and economic factors. Some sites will lend themselves to new industrial or energy uses. Others may support conservation, agriculture, water management, logistics or mixed outcomes. The point is not that every site has the same answer. The point is that reuse should now be part of the planning mindset much earlier in the mine life cycle.

Still work to do: enabling flexibility in the planning pathway

While the direction is positive, there is still important work to do in enabling greater flexibility within planning and approval pathways to support beneficial reuse outcomes.

In particular, there remains a real challenge where a mine operator or landholder identifies a sensible and productive post-mining land use, but the pathway to achieve that outcome may require reopening or materially amending full development consents. In practice, that can create delay, cost and uncertainty, even where the proposed reuse is logical, lower impact and strongly aligned with regional needs.

If NSW is serious about encouraging beneficial reuse of mine land, the planning framework should continue evolving to allow more practical pivot points. There should be mechanisms that enable a transition to an appropriate beneficial reuse outcome without automatically having to open up the full consent architecture each time.

That does not mean lowering standards or avoiding proper assessment. It means creating a planning system that is flexible enough to support adaptive reuse, respond to new opportunities, and recognise that the best post-mining outcomes may become clearer over time as markets, technologies and regional priorities evolve.

This is where further reform could add real value. Greater certainty at the strategic level is a big step forward, but flexibility at the implementation level will be just as important if the policy is to deliver real outcomes on the ground.

Final reflection

The NSW coal framework to 2050 is, in many ways, a statement of managed transition.

It recognises that coal still delivers very substantial value to NSW through royalties, export income, employment and regional economic activity. It also acknowledges that NSW’s high-quality coal continues to attract demand in Asia, particularly in established export markets such as Japan, China and Taiwan.

At the same time, it supports the continuation of existing coal mining under stricter expectations, closes the door on new standalone greenfield coal mines, reinforces the importance of emissions management and robust regulation, and places greater attention on the future of coal-producing regions and the productive reuse of former mining land.

One of the best aspects of the framework is that it now provides a greater degree of certainty. That is valuable in itself.

The next step is making sure the planning system is flexible enough to convert that strategic direction into practical reuse outcomes on the ground.

Because the long-term success of mining regions will not be measured only by how well mines close. It will be measured by how effectively former mine land is repositioned to support the next chapter of regional industry, investment and employment.

The real opportunity is to stop seeing mine closure as the end of the story.

Instead, we should see the reuse of mine land as the bridge between resource extraction and regional renewal.

By Andrew Hutton

In today’s mining landscape, closure planning isn’t a box-ticking exercise. It’s a strategic, regulated, stakeholder-driven process that spans the full life of a mine. While many organisations rely on site-specific closure plans, there’s a foundational layer that often goes missing: a corporate-level Mine Closure Standard that is fit for purpose.

Not generic. Not templated. And certainly not borrowed from someone else’s operations.

A true Mine Closure Standard must reflect the unique nature of a company’s portfolio, risk profile, stakeholder expectations, jurisdictional footprint, and ESG commitments. And crucially, it needs to be more than an internal policy – it needs to be supported by the tools that help people on the ground do the work. That’s where the Recipe Book comes in.

What Is a Fit-for-Purpose Closure Standard?

A Mine Closure Standard is a corporate protocol or directive that articulates:

• The company’s position on closure
• The minimum required elements for every closure plan
• Governance, review, and sign-off expectations
• Linkages with financial provisioning, permitting, ESG, and operations

But a fit-for-purpose standard goes further. It:

• Adapts to different types of sites (greenfield, operational, legacy, high-risk, low-risk)
• Reflects the jurisdictions you operate in
• Scales with your internal capabilities and maturity
• Clearly distinguishes between mandatory corporate expectations and site-level flexibility

The best standards are written with both executives and site planners in mind. They bridge high-level commitments with practical application and are continually updated and reviewed as the company and industry get more experience with mine closure.

Why One Size Doesn’t Fit All

No two mining companies are the same. Some are global enterprises, listed and operate in multiple countries and jurisdictions whilst at the other end the other might only have a single operation. Even within a single company, closure liabilities, environmental context, land use pressures, and community expectations vary significantly. That’s why adopting a generic or templated approach to closure standards can create real risk:

• Plans that meet the letter of the law, but not the intent
• Misalignment between operational teams and corporate strategy
• Missed opportunities for progressive closure or relinquishment
• Surprise liabilities at the end of mine life

A fit-for-purpose standard gives internal teams clarity. It tells them what success looks like, what must be done, and what can be tailored.

What Belongs in a Fit-for-Purpose Mine Closure Standard?

A strong standard sets out:

1. Purpose and Applicability

• Who the standard applies to (e.g. all managed assets)
• How it integrates with the company’s life of mine and ESG frameworks

2. Guiding Principles

• Closure is integrated from inception
• Progressive rehabilitation and risk reduction are core
• Engagement is continuous and inclusive

3. Minimum Requirements for Plans

• Closure objectives and post mining land use scenarios
• Risk assessments and materiality reviews
• Closure criteria and monitoring frameworks
• Cost estimation and provisioning methodology

4. Governance and Sign-off

• Approval gates across the study phases (concept, PFS, FS, operations)
• Closure maturity models and triggers for updates
• Delegations of authority

5. Interface with Other Systems

• Environmental management
• Permitting and compliance
• Finance and corporate reporting

This standard becomes the backbone of closure governance across the business.

The Role of a “Closure Recipe Book”

A key insight: the standard and the plan are not enough. Site teams need a bridge between the two.

The Recipe Book is that bridge. It is a separate but companion document — an addendum, attachment, or operational guide that walks closure practitioners through the process.

It includes:

• A detailed Work Breakdown Structure (WBS)
• Templates, checklists, and tools for developing closure plans
• Guidance for building accuracy and completeness across project stages

It sets out what should be considered at each step of closure planning, from concept study through pre-feasibility and feasibility. Not everything is mandatory, but nothing should be ignored. That’s where the “if not, why not” principle comes in:

• Every checklist item must be considered
• If it’s excluded, a rationale must be provided

This principle ensures transparency and defensibility, especially in regulatory and stakeholder engagement contexts.

Approval Gates: A Managed Process

A fit-for-purpose standard and recipe book build approval gates into the closure planning process. These checkpoints align with broader project development and financing processes:

• Concept to PFS: Is closure risk identified? Are viable land use options defined?
• PFS to FS: Are closure objectives and criteria developed? Is costing reliable?
• FS to Operations: Has closure been integrated into scheduling and budgeting?
• Operations to Closure: Are relinquishment pathways and stakeholder expectations aligned?

These gates enforce discipline, encourage early planning, and ensure funding is progressively locked in.

Visualising the Work Breakdown Structure (WBS)

To help guide closure planning practically, the Recipe Book should include a WBS broken into thematic elements. A simplified version of the key aspects is listed below:

1. Closure Context and Objectives

• Final Land Use Scenarios
• Closure Vision and Goals
• Regulatory and Legal Framework
• Obligations Register

2. Baseline Data and Studies

• Environmental Baseline (soil, water, air)
• Social and Cultural Context
• Closure Knowledge Gaps

3. Closure Design and Implementation

• Rehabilitation Design and Landform Modelling
• Water Management and Voids
• Decommissioning of Infrastructure

4. Risk and Cost Management

• Closure Risk Assessment
• Financial Provisioning
• Contingency Planning

5. Monitoring, Evaluation, and Relinquishment

• Completion Criteria
• Monitoring and Maintenance Plans
• Relinquishment and Handover Process

6. Stakeholder Engagement and Social Transition

• Community Engagement Strategy
• Traditional Owner Involvement
• Social Transition and Economic Legacy

Each of these components is layered across study phases, building in rigour and reducing risk as you move toward closure.

Moving Beyond High-Level Frameworks

The ICMM Integrated Closure Good Practice Guide is an excellent starting point. It provides principles and a maturity model. But it does not offer the detailed, site-ready tools that practitioners need to deliver closure plans that are costed, integrated, and defensible.

That’s why internal standards and recipe books are essential. They turn policy into practice.

Why It Matters

Getting closure right is no longer optional. Investors, regulators, Traditional Owners, and communities are all watching.

A fit-for-purpose closure standard:

• Avoids surprise liabilities
• Builds trust through transparency
• Protects reputational value
• Enhances relinquishment success
• Aligns closure to ESG and decarbonisation goals

But it must be backed by clear tools, trained practitioners, and governance that ensures closure is not left until the end.

Because closure isn’t just the last chapter of a mine. It’s the beginning of what comes next.

Andrew Hutton is Managing Director of IEMA, a project management & environmental management consultancy specialising in mine closure, rehabilitation, and legacy land use solutions. He has worked across Australia and internationally helping companies design and implement fit-for-purpose closure governance frameworks.

By the IEMA – Integrating Sustainability, Business & Community

A complex industrial closure was approaching the hard part, proving it would remain safe, stable, and compliant in an environment where climate change may move the goal posts in the long term future. IEMA – Integrating Sustainability, Business & Community was brought in to answer the question regulators, investors, and communities are all asking: Will this plan still work in 2050?

The brief

Stress-test a full closure plan end to end against plausible climate futures. Translate the findings into concrete actions that shorten the road to sign-off and reduce surprises after handover.

What we did

• Followed the evidence, not the vibe. We assessed risks under IPCC RCP 2.6, 4.5, 8.5 to 2050, aligned to national sustainability reporting expectations.
• Broke down silos. Hydrology, geotech, ecology, climate science, and socio-economics were integrated, because landforms, water, and community impacts don’t behave in isolation.
• Tested what matters. We looked for climate assumptions inside designs and models, covers, caps, retention basins, seals, water balances, flood modelling, not just mentioned in the narrative.
• Rated controls the way auditors do. Likelihood × consequence across environmental, social, operational, financial, and reputational dimensions, with clear evidence trails.

What we found

• 19 material risks surfaced: 11 physical (stability, potential subsidence/sinkholes, erosion, surface–groundwater interactions, retained infrastructure) and 8 transition (regulatory shifts, disclosure, reputation, residual-risk governance).
• The pattern: Many controls were in progress or untested. The work had started, but assurance and climate scenario integration weren’t yet bulletproof.

Commercial impact: Untested controls and ambiguous residual risk are what delay relinquishment. Fixing them brings timelines forward and reduces cost-of-waiting.

The 10 recommendations that changed the trajectory

Here’s where the assessment turned into momentum. We translated risk into ten concrete recommendations, design tweaks, modelling upgrades, and governance shifts, that hard-wired climate futures into the closure program and removed the roadblocks to sign-off. In short: practical steps, clear owners, measurable outcome

1. Bake climate futures into design specs (RCP 2.6/4.5/8.5) for covers, caps, drainage, storage.
2. Stand up post-execution monitoring & maintenance with KPIs, triggers, and a realistic budget.
3. Lock corporate–project alignment on required scenarios and disclosures.
4. Define a residual-risk framework (ownership, funding, monitoring, reporting).
5. Re-run flood modelling on the final landform under RCP 4.5/8.5 to validate basin sizing and spillways.
6. Couple the water balance (surface + groundwater) for post-closure conditions with climate inputs.
7. Resolve heritage infrastructure pathways to remove safety/liability ambiguity.
8. Inform seal designs with hydrogeology that reflects future groundwater behaviour.
9. Adopt climate-ready revegetation (species mix, establishment, success criteria, adaptive management).
10. Institutionalise regulatory horizon-scanning between corporate and site teams.

Results that matter to decision-makers

For decision-makers, the outcomes are clear: residual risk needs to be acceptable across all climate scenarios; climate futures are required to be embedded as traceable design inputs and validated against extremes; governance needs to be audit-ready with defined roles, artefacts, and decision trails that build regulator and investor confidence.

When to reopen the file (so you don’t get caught out)

There is a need to reopen the assessment whenever the ground shifts, think changes to IPCC scenario assumptions or national reporting rules; updates to closure methodology, final landform, or land use; modifications to water infrastructure or its performance; heightened sensitivity of nearby community assets; or revised corporate risk appetite and disclosure expectations.

The takeaway

If your closure case hinges on “we think this will hold,” expect delays. If it demonstrates how it holds across plausible futures, with evidence in the specs, budgets, and governance, approvals get simpler, and handover gets faster.

Considering a closure in 2025?

IEMA – Integrating Sustainability, Business & Community helps asset owners prove climate resilience, compress approval timelines, and de-risk handover with a practical, evidence-first playbook. If you want your next regulator meeting to start with “we’ve already tested that,” let’s talk.

By Andrew Hutton (based on work by Will Mitry and Erin Littlewood presented at the 2025 AusIMM LOM Conference, Brisbane.

In an era of rising environmental expectations, regulatory scrutiny, and climate uncertainty, mine closure is no longer a back-end activity. It is a forward-thinking process that must embed resilience, accountability, and nature-positive outcomes from the outset. At the forefront of this transformation are spatial data systems, practical technologies that integrate geographic, environmental, and operational data into intelligent frameworks to support better closure decisions.

That’s why two (2) new spatial intelligence platforms, IMERCS and EcoScenario, developed by staff at IEMA – Integrating Sustainability, Business & Community are gaining momentum. Both are built in Australia, field-tested on operational sites, and developed by mining and closure professionals for mining and closure professionals. Remember “we have walked in your shoes”. Together, they offer a new standard for closure compliance, resilience, and biodiversity performance.

The Shift: Why Spatial Intelligence Matters to mine closure planning

Traditional mine closure systems often rely on disparate data sources, manual workflows, and regional climate assumptions. These legacy approaches struggle to:

• Track evolving closure obligations
• Capture and retain institutional knowledge
• Assess future climate and biodiversity risks
• Demonstrate compliance and performance to regulators

Spatial data systems overcome these limitations by:

• Centralising structured and unstructured environmental data
• Embedding GIS, AI, and automation into operational workflows
• Enabling high-resolution, site-specific modelling
• Supporting transparent, real-time reporting and audit readiness

IMERCS: An Intelligence System for Closure Compliance

IMERCS (Integrated Mining, Environmental, Rehabilitation and Closure System), developed by IEMA in partnership with Whitehaven Coal, is a modular, cloud-based platform built on:

• AWS Cloud Infrastructure – Scalable, secure, and globally deployable
• ESRI ArcGIS – For spatial data integration and visualisation
• OpenAI APIs – To enable AI-driven document interrogation and regulatory reasoning
• FME (Feature Manipulation Engine) – For data automation, transformation, and ingestion across systems

It integrates management plan obligations with execution records, using spatial intelligence, automated workflows, and AI agents to support mine closure and rehabilitation. IMERCS operates on a Plan-Do-Check-Act cycle. IMERCS offers a suite of 13+ configurable modules that can be tailored to site needs. These include:

• Environmental Monitoring: Tracks surface water, groundwater, dust, flora and fauna parameters spatially and temporally
• Rehabilitation Planning and Tracking: Links design with actual performance through drone surveys, NDVI analysis, and milestone tracking
• ePTW (electronic Permit-to-Work): Integrated with spatial constraints and biodiversity overlays
• Cultural Heritage and Subsidence Management: Maps sensitive areas and ensures protection during closure activities
• Closure Cost Estimation: Uses spatial metrics and schedule data to refine provision forecasts
• Regulatory Reporting: Generates automated reports aligned with State and Federal regulations

A standout feature is the AI toolkit embedded in IMERCS:

• IMERCS GPT: Parses management plans, execution records, and survey data to surface compliance status, overdue actions, and misalignments.
• Audit AI: Assists in regulatory audits by extracting and comparing obligation fulfillment across time.
• Regulator GPT: Crosswalks internal documentation with regulatory frameworks to highlight gaps or inconsistencies.
• RehabEye AI (in development): Uses machine learning on drone imagery to assess erosion, vegetation cover, and landform stability.

At Narrabri Coal Operations, IMERCS processed 100+ digital ePTWs without incident, delivered >95% rehab success in key zones, and impressed regulators with its audit readiness.

EcoScenario: Designing for Nature-Positive Closure

Presented at Life of Mine 2025, EcoScenario is IEMA’s GIS-based closure simulation platform. It lets planners model landform and biodiversity performance under future climate conditions, using real site data, not regional proxies. The platform is also being developed to integrate the requirements of mandatory climate reporting into closure planning and can be supported by a detailed climate change risk assessment tailored to site-specific exposures.

EcoScenario is a GIS-based platform that:

• Operates at a 5m x 5m grid resolution for terrain, habitat, and climate inputs
• Utilises IPCC RCP Scenarios (2.6, 4.5, 8.5) to simulate possible climate futures
• Integrates species movement models, fire/flood risk overlays, and hydrological algorithms
• Provides interactive visualisation layers for stakeholder engagement and adaptive design

Core Applications

• Biodiversity Offsets and Connectivity: Models future species corridors, habitat recovery, and edge effects
• Landform Evolution: Simulates erosion, slope stability, and drainage performance under extreme events
• Climate Risk Assessment: Evaluates exposure to cyclones, fire weather, drought stress, and inundation
• Stakeholder Planning: Produces interactive maps and scenario narratives for Traditional Owners, regulators, and communities

Case Studies:

The power of spatial intelligence lies not just in its technical sophistication, but in its practical impact on the ground. IMERCS and EcoScenario have been deployed at active mine sites across diverse geographies and operational contexts, where they are helping closure teams move from static plans to adaptive, data-driven strategies.

The following case studies demonstrate how these platforms can be used to:

• Translate complex closure objectives into spatially targeted actions
• Anticipate environmental risks under future climate scenarios
• Improve regulator confidence through transparent, auditable data
• Deliver measurable ecological outcomes that go beyond compliance

These examples reflect the evolving role of closure professionals—not just as stewards of compliance, but as strategic designers of post-mining landscapes

Hunter Valley, NSW

EcoScenario helped reimagine the post-mining land use from low-productivity grazing to a 570-hectare native woodland corridor, increasing habitat connectivity by 20% and aligning with local biodiversity targets.

North Queensland

Under cyclonic rainfall simulations, EcoScenario identified vulnerabilities in legacy drainage design. Redesign efforts, guided by platform outputs, ensured tailings dam resilience under 1-in-200-year rainfall events

Lessons from the Field: What Makes These Systems Work?

1. Site-Specific Data Over Regional Proxies

Both IMERCS and EcoScenario anchor their intelligence in on-site monitoring and survey data—enabling precise, confident decision-making.

2. Embedded into Operational Workflows

IMERCS integrates seamlessly with daily site operations, connecting rehabilitation teams, planners, and environmental specialists. EcoScenario feeds directly into closure visioning, risk assessments, and community consultation tools.

3. Scalable and Modular Architecture

IMERCS adapts across different operations—from open-cut coal to metalliferous mines—with a plug-and-play module framework. EcoScenario can be calibrated for any terrain, landform objective, or regulatory jurisdiction.

4. AI and Automation

From GPT-powered audits to drone-based landform analytics, the platforms minimise manual effort, maximise insight, and accelerate response times.

Looking Ahead: The Spatial Data Advantage

As mining companies face growing expectations from investors, regulators, communities, and nature itself, the ability to demonstrate closure outcomes will be key to maintaining social license.

Spatial data systems offer:

• Data-driven compliance tracking and audit readiness
• Nature-positive design that restores ecosystems, not just landform
• Risk visibility for climate adaptation and liability management
• Stakeholder transparency to build trust and accountability

Closing Thoughts: Turning Risk into Readiness

Mine closure is no longer the final chapter; it’s a live process unfolding over decades. The most effective practitioners will be those who can turn complexity into clarity, using tools that speak the language of both regulators and ecosystems.

IMERCS and EcoScenario aren’t just technologies, they’re strategies. They’ve been built with real closure constraints in mind, tested on operational sites, and designed to evolve as the expectations do.

If you’re in the closure game, now is the time to upgrade your toolkit—not just to meet obligations, but to lead the transition to transparent, resilient, nature-positive mining.

Want to see how these tools can work at your site?

Erin Littlewood – Principal Consultant, IEMA [email protected]

Will Mitry – Associate Consultant, IEMA [email protected]

By Andrew Hutton – Managing Director, IEMA

In the world of mining, extraction is only half the story. The other half – often less glamorous but just as critical – is what happens when the digging stops and how we can contemplate the transition of mine sites to a beneficial reuse that generates employment and supports the regional economies surrounding it.

Across New South Wales, a quiet transformation is underway. Mines are maturing, leases are winding down, and the industry is shifting from boom-and-bust to something more measured: legacy management, rehabilitation, and ultimately, relinquishment.

But if you’ve ever tried navigating the maze of mining lease sign-off in NSW, you’ll know it’s not just a matter of ticking boxes and walking away. Nor should it be.

The Missing Piece? Evidence

At the heart of the process is evidence, not intent, not effort, but cold, hard proof squarely based on a firm base of a solid and robust risk assessment.

In our experience, the NSW Resources Regulator wants to see that every risk has been controlled, every contour restored, and every patch of land returned to a safe, stable, and sustainable state. That means having a robust Rehabilitation Management Plan, documented works, and a rigorous level of verification.

This is where Inspection and Test Plans (ITPs) come into their own. Too often treated as back-office admin, they’re actually the backbone of the entire process. ITPs show how each rehabilitation activity was executed, assessed, and verified. They create the traceability regulators need to say “yes.”

Without structured, consistent records management, it’s impossible to demonstrate compliance confidently. Strong projects are now building their Relinquishment Assurance Reports (RARs) off carefully curated evidence chains supported by ITP completion data—not guesswork.

It’s Also Intelligent Use of Spatial Tech

Gone are the days when relinquishment was tracked in folders and memory sticks. Today, spatial data systems are driving decision-making, visualising what areas are ready for submission, overlaying verification data, and identifying gaps.

Smart operators are using GIS platforms to:

• Map completion criteria against real-time landform data
• Identify high-risk zones like tailings facilities
• Track forward works with geospatial accuracy
• Collect evidence spatially
• Use AI to generate workflows and match site obligations

This spatial intelligence isn’t just a visual tool – it’s a strategic asset. It helps teams prioritise work, engage with regulators using evidence, and communicate progress with stakeholders.

It’s a Project and a Strategy

Too often, companies treat relinquishment as the final checkbox on a closure plan. In reality, it’s a standalone project – with its own scope, resources, and risks. It’s big, the dollars are material – treat it like it’s a $50M project, not a rehab job. Establish governance, processes and IPRs. Move along the project pathway of Concept, PFS and Feasibility – and give yourself plenty of time to pivot whilst you have budget, cashflow, kit and people on site.

The most forward-thinking operators are treating relinquishment as a strategic opportunity. They’re using spatial analysis to map areas for early sign-off and getting them through the process ahead of time. Using the processes to build credibility with stakeholders is key. They’re integrating post-mining land use into their plans. They’re even lining up rezoning applications and new approvals alongside ESF2 submissions to unlock future land value and direct the relinquishment of the site towards a known beneficial reuse – which narrows the breadth of “what ifs” and options.

It’s about transitioning an asset, not just closing a liability.

Regulator Engagement Matters

One of the most underappreciated aspects of the process? Genuine Dialogue.

The best outcomes come when operators engage early and transparently with the regulator – presenting draft RARs, discussing land use transitions, and clarifying long-term residual risk management strategies.

These conversations aren’t about box-ticking—they’re about building alignment. When done well, they remove ambiguity, build confidence, and streamline the ESF2 process.

The Future of Mine Closure Is Professionalised

We’re entering an era where closure and relinquishment are treated with the same rigor as development and operations. It’s now a specialty and it requires project managers who can move across all technical issues and challenges. Subject Matter Experts (SMEs) are essential, but it’s much more than designing a cap, reviewing a landform, modelling water, or engaging with community—it’s about meshing it all together and managing risk.

That means:

• Project-managed relinquishment pathways
• Project governance and processes
• Detailed and dynamic risk assessments
• Dedicated specialists in spatial, rehab, risk, and land use
• Robust ITPs and digital evidence systems
• Transparent reporting and regulator engagement

It’s no longer enough to “rehab and hope.” Companies need to verify and validate – and they need to prove it with systems that hold up under scrutiny.

As more NSW operators edge closer to end-of-mine life, the conversation is shifting from “how do we comply?” to “how do we exit well?”

That’s not just a compliance challenge – it’s a reputational and strategic opportunity. And for those who get it right, relinquishment doesn’t mark the end, nor does it need to be made hard and drag on. Holding costs for mining leases are material, and care and maintenance does not mean no costs. It marks the handover to what comes next, whether that’s conservation, community benefit, or commercial redevelopment.

Andrew Hutton is Managing Director of IEMA, an environmental and closure advisory firm based in regional NSW. He has nearly 30 years’ experience in mine closure strategy, regulatory approvals, and stakeholder engagement.

As New South Wales inevitably confronts the question of what becomes of our former mine sites is no longer academic. Across the Hunter and other regions, vast tracts of land previously dedicated to extraction are now nearing or at the end of their operational life. What happens next will define not just landscapes, but regional economies, investment pipelines, and community futures.

The good news? NSW is well-positioned to lead the nation in defining what successful post-mining land use looks like.

While mine closure has historically been treated as a compliance task focused on stabilising slopes, replanting vegetation, and ticking regulatory boxes, it is increasingly being recognised as an opportunity to reshape regions for the better. But realising that opportunity requires a shift in mindset, backed by a coherent policy framework and coordination across agencies and stakeholders.

From my experience advising on closure projects across Australia and internationally, I believe NSW’s path forward hinges on five strategic imperatives.

1. Address the Residual Risk Barrier
2. Define Post Mining Land Use at the start, not the end
3. Coordinate the maze of Government Approvals
4. Build on the strategic momentum already underway
5. Learn from best practice across Australia and beyond.

1. Address the Residual Risk Barrier
The most persistent challenge in repurposing former mining land is the issue of residual risk. Even when a site is rehabilitated to meet regulatory requirements, uncertainty about long-term liabilities, such as tailings facilities, large dams, water quality in final voids, underground subsidence, or contamination. They can stall land handover indefinitely. This ambiguity deters both regulators and private investors.

NSW urgently needs a clear, proportionate framework to assess and manage these risks and, where appropriate, enable risk transfer mechanisms. Without this, many sites will remain in limbo, with potential unrealised.

2. Define Post-Mining Land Use at the Start, Not the End
A second, and often overlooked, challenge is the lack of early consensus on future land use. Too often, rehabilitation efforts are designed around technical parameters rather than a concrete vision for how land will be used post-mining. Is the goal agricultural productivity? Renewable energy generation? Biodiversity offsets? Community infrastructure?

Agreeing on this at the outset or during the operational phase of mining allows closure criteria to be tailored to real-world outcomes, streamlines approvals, and gives future users, whether developers, councils or the community, greater certainty. By achieving early approval for post mining land use enables the mining to partner with the developer and the “goal-posts” on hazards and risk are clearly defined. A pathway to approval certainty also makes investment attraction much easier.

3. Coordinate the Maze of Government Approvals
The complexity of the post-mining regulatory environment is well known. In NSW, responsibilities for closure touch at least a half-dozen agencies from Resources and Planning to the EPA and Water. With no single authority responsible for coordination, delays, duplication, and inconsistent advice are inevitable.

There is a strong case for a coordinating body perhaps a dedicated taskforce within a single Department with a clear remit to lead on post-mining land transition. This could include establishing a closure strategy review process at key planning and environmental assessment stages.

4. Build on Strategic Momentum Already Underway
NSW isn’t starting from scratch. The last 3-5 years has seen a material change in thinking and a real alignment to starting to strategically think about the post mining world. Not just by the miners, but by local governments, communities, think-tanks, Universities, now the wider community. For example, the Hunter Regional Plan 2041 explicitly addresses post-mining land use, highlighting the role of former mine sites in supporting energy transition and industrial innovation.

Meanwhile, the Hunter Joint Organisation (HJO) has developed a $20 million proposal to deliver:

• Place-based mine closure strategies
• A regional audit of mining lands and infrastructure
  \Master plans for legacy sites in Singleton, Muswellbrook, and Lake Macquarie

This local-regional alignment with state planning signals a shift in how mine closure is approached, not just as environmental remediation, but as part of long-term economic development.

5. Learn from Best Practice Across Australia and Beyond
WA and Queensland offer useful templates. In WA, closure planning must now include an agreed post-mining land use, while Queensland’s residual risk payment scheme (whilst not without its challenges) aims to offe a transparent way to manage liabilities after relinquishment. Canada and Germany also offer structured models for verification, transition governance, and post-closure funding.

NSW can adapt these lessons, but also improve upon them by ensuring local governments, mining companies and private developers are part of the planning conversation from the outset.

Post-mining land use is not just about safe closure; it’s about successful transition. NSW has the vision, the groundwork, and the regional leadership to become the benchmark in this space. What’s needed now is execution.