European Commission advances EU carbon market stability rules

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EU carbon market stability rules

Highlights

European Commission backs amendment allowing the Market Stability Reserve to hold up to 700 million allowances, up from the current 400 million limit.
The measure aims to enhance EU carbon market stability and predictability, supporting investors and companies amid the 'One Europe, One Market' roadmap to 2027.
Provisional deal requires formal approval by the European Parliament and Council, with broader reforms to the Market Stability Reserve and EU ETS planned for review on 17 July 2026.

Reserve changes and legislative path

As reported by European Commission, citing the European Commission, the political agreement backs a targeted amendment to strengthen the Market Stability Reserve within the EU's Emissions Trading System after the European Council conclusions of 16 October. The Commission says the measure is intended to support a stable, well-functioning carbon market in the EU and to reinforce the system's resilience to excessive price swings.

Under the current framework, all emission allowances held in the reserve above 400 million are invalidated. Under the new agreement, the reserve would be able to keep as many as 700 million allowances as a buffer to support future market stability and predictability, while preserving the rules-based design of the system and its environmental integrity.

The Market Stability Reserve, introduced in 2019, adjusts the supply of allowances in response to market conditions. It reduces supply when too many allowances are in circulation and releases allowances when scarcity emerges, using predefined rules to limit volatility.

Implications for the EU carbon market

The agreement signals that the EU remains committed to a predictable and reliable carbon market, a message aimed at companies and investors planning capital allocation for the clean transition. The Commission also links the move to the broader 'One Europe, One Market' roadmap designed to strengthen Europe's competitiveness by the end of 2027.

The provisional deal still requires formal adoption by the European Parliament and the Council of the EU. Once adopted, the amendment to the Market Stability Reserve Decision enters into force after publication in the Official Journal of the EU.

The Commission describes the measure as an immediate response to strengthen carbon market resilience, while broader changes remain under discussion in the separate MSR reform and EU ETS review proposed on 17 July 2026. That wider review is intended to modernise how the reserve works over the next decade.

Our earlier article on Mario Draghi’s warning about the policy trade-off between inflation control and long-term growth explained why keeping interest rates above growth rates can worsen debt dynamics and raise pressure for “fiscal dominance.” It also highlighted his argument that central banks should prioritise inflation control while avoiding unnecessary damage to productive investment, alongside calls for deeper EU market integration and targeted public support to sustain investment and productivity.

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