NSW EPA introduces mandatory greenhouse gas and coal mine methane reduction conditions for Environment Protection Licences

Overview

The NSW Environment Protection Authority (EPA) has announced a landmark regulatory change that will embed mandatory greenhouse gas (GHG) reduction conditions directly into Environment Protection Licences (EPLs). For the first time in New South Wales, climate change obligations will sit alongside traditional pollution control requirements within the state’s licensing framework. The new conditions specifically target high-emitting industrial facilities and coal mining operations, requiring measurable emissions reductions and, for coal mines, the active abatement of ventilation air methane (VAM). This represents a fundamental shift in how environmental regulators approach climate accountability at the facility level.

Key details

The new EPL conditions will apply to facilities emitting more than 25,000 tonnes of carbon dioxide equivalent (CO2-e) per year. This threshold aligns with the existing reporting obligations under the National Greenhouse and Energy Reporting (NGER) scheme, but critically, it converts what has historically been a reporting requirement into an enforceable compliance obligation at the state level.

Key elements of the new framework include:

• Mandatory GHG reduction targets embedded directly into EPL conditions, with phase-in commencing from 2027.
• Ventilation air methane (VAM) abatement requirements for coal mines where methane concentrations exceed 0.20 per cent. Operators must demonstrate active abatement rather than simply venting dilute methane to atmosphere.
• Non-compliance treated as a licence breach, exposing operators to the full penalty provisions under the Protection of the Environment Operations Act 1997 (POEO Act), including potential prosecution and significant financial penalties.
• Alignment with federal frameworks while adding a state-level enforcement mechanism that goes beyond the Commonwealth’s Safeguard Mechanism.

The EPA conducted industry consultation prior to finalising these conditions. However, the final requirements are notably strict, particularly regarding the VAM abatement threshold. Low-concentration methane streams have historically been considered uneconomical to abate, and this new threshold signals the EPA’s position that economic difficulty does not exempt operators from their environmental obligations.

Australian context

This announcement places NSW at the forefront of state-level climate regulation in Australia. While the federal Safeguard Mechanism (reformed in 2023) already requires large emitters to reduce their net emissions, the NSW approach goes further by integrating these obligations into the state’s existing environmental licensing regime. This is significant because EPLs carry direct, well-established enforcement mechanisms under the POEO Act, including monetary penalties, licence suspension, and criminal prosecution for serious breaches.

Other Australian states and territories are likely watching closely. Queensland’s Environmental Authority framework and Victoria’s Environment Protection Act 2017 both provide potential vehicles for similar integration of climate obligations into site-level licences. The precedent set by NSW could accelerate a national shift towards embedding GHG reduction within state pollution control frameworks.

For the coal mining sector specifically, the VAM requirements are particularly relevant. Australia’s coal mines are among the most methane-intensive globally, and the Hunter Valley and Illawarra regions host many of the operations that will be directly affected. The 0.20 per cent concentration threshold will require significant capital investment in regenerative thermal oxidisers or catalytic oxidation systems, technologies that have seen limited deployment in Australian coal operations to date.

Practical implications

Environmental consultants, site managers, and compliance officers should consider the following actions:

• Emissions inventory review: Facilities currently near the 25,000 tonne CO2-e threshold must prioritise accurate greenhouse gas accounting. Borderline facilities need to determine their exact regulatory exposure before the 2027 phase-in.
• EPL condition gap analysis: Existing licence holders should conduct a gap analysis comparing current EPL conditions against the anticipated new requirements to identify areas requiring operational changes or capital investment.
• Remedial action on VAM: Coal mine operators must assess their current ventilation air methane concentrations and begin scoping abatement infrastructure. The lead time for procuring and commissioning thermal or catalytic oxidation systems can extend beyond 18 months.
• Compliance system updates: Internal compliance management systems will need updating to incorporate GHG monitoring, reporting, and target tracking alongside traditional pollutant management.
• Regulatory engagement: Early engagement with the NSW EPA during the transition period is advisable to clarify implementation timelines, measurement methodologies, and any available flexibility provisions.

References and related sources

Original source: Newshub
Source published: 22 March 2026
Added to Enviro News: 22 March 2026

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Related regulatory references:

• Protection of the Environment Operations Act 1997 (NSW)
• NSW EPA
• National Greenhouse and Energy Reporting (NGER) Scheme

How iEnvi can help

iEnvi’s team of environmental professionals can assist operators and site managers in navigating these new regulatory requirements. Our contaminated land and remediation specialists have extensive experience with EPA licensing, compliance audits, and environmental management frameworks across New South Wales and other Australian jurisdictions. Whether you need a gap analysis of your current EPL conditions, assistance with greenhouse gas accounting, or strategic advice on meeting new abatement requirements, iEnvi can provide practical, technically rigorous support.