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EU and UK ETS

EU and UK Emissions Trading Systems (ETS)

The EU Emissions Trading System (EU ETS) and the UK Emissions Trading Scheme (UK ETS) are market-based climate policies, designed to reduce greenhouse gas emissions from energy-intensive sectors.

Both systems place a price on carbon. This means that companies operating in regulated sectors must purchase and surrender allowances for each tonne of carbon they emit.

For businesses covered by these systems, carbon becomes a direct and variable operating cost, making emissions exposure an increasingly important consideration.

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What are the EU and UK ETS?

Both the EU and UK ETS operate using a cap-and-trade model.

Regulators set a limit ("cap") on the total emissions permitted across covered sectors and issue a corresponding number of allowances. Companies are required to monitor and report their emissions annually and surrender allowances equal to those emissions. Allowances can be purchased at auction or traded in the market, allowing companies to manage how and when they meet their compliance obligations.

The UK ETS was introduced in 2021 following the UK's departure from the EU and closely mirrors the structure of the EU ETS.

Who does the EU and UK ETS impact?

Both the EU ETS and the UK ETS cover sectors with high energy consumption and installations above a specified threshold (20 megawatts of thermal input capacity).

Covered industrial activities usually include: the production of refined oil products, steel, iron, aluminium, other metals, cement, lime, glass, ceramics, pulp, paper, cardboard, acids and bulk organic chemicals.

Aviation

The EU ETS also covers aviation within the European Economic Area and departing flights to Switzerland and the UK. The UK ETS covers emissions from UK domestic flights and flights departing the UK to EEA states.

Shipping

From January 2025, the EU ETS was expanded to include maritime transport, covering ships of 5,000 gross tonnage and above, calling at EU/EEA ports regardless of their flag.

Under the UK ETS, maritime emissions are not yet fully included, however, from July 2026 the UK government has confirmed plans to extend the scheme to domestic maritime activity for ships above 5,000 gross tonnage threshold. International maritime coverage is also under consideration.

ETS 2

ETS 2 is due to start in the EU in 2028, covering emissions from the buildings and road transport sectors.

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How does the EU and UK ETS impact you?

For companies operating in covered sectors, the EU and UK ETS introduce direct financial exposure to carbon pricing.

Businesses must purchase carbon allowances to meet their compliance obligations. With both the EU and UK carbon markets volatile, allowance prices fluctuate leaving companies exposed to changing compliance and production costs.

For organisations participating in the EU ETS and UK ETS, effective procurement and management of allowances is essential for regulatory compliance and cost control.
Learn more about allowances

How can you manage UK and EU ETS obligations?

How Redshaw Advisors can help

Businesses covered by the UK or EU ETS can manage their obligations through a combination of compliance planning, emissions reduction and market strategy. This can include:

  • Implementing robust monitoring, reporting and verification (MRV) systems to accurately measure annual greenhouse gas emissions
  • Reducing emissions by improving energy efficiency, optimising production processes and investing in low-carbon technologies such as electrification or carbon capture
  • Monitoring regulatory developments, such as changes to free allocation benchmarks
  • Developing a carbon procurement strategy which may include purchasing allowances in advance, hedging against price volatility or banking allowances for future compliance periods

Redshaw Advisors helps clients to navigate these processes by providing expert market intelligence, strategic advice, and specialist procurement support.

Explore your next steps

How Redshaw Advisors can help

Businesses covered by the UK or EU ETS can manage their obligations through a combination of compliance planning, emissions reduction and market strategy. This can include:

  • Implementing robust monitoring, reporting and verification (MRV) systems to accurately measure annual greenhouse gas emissions
  • Reducing emissions by improving energy efficiency, optimising production processes and investing in low-carbon technologies such as electrification or carbon capture
  • Monitoring regulatory developments, such as changes to free allocation benchmarks
  • Developing a carbon procurement strategy which may include purchasing allowances in advance, hedging against price volatility or banking allowances for future compliance periods

Redshaw Advisors helps clients to navigate these processes by providing expert market intelligence, strategic advice, and specialist procurement support.

Explore your next steps

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