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Why is it important to understand the reasons behind the decline in EU carbon prices?

Carbon prices in Europe fell this week sharply to their lowest levels since August 2025. Shares of some power companies and EU industrials also dropped.

What you need to Know about the Emissions Trading System (ETS), and what happened, in Europe.

What is an emissions trading system?

A cap is set by an ETS on the CO2 emissions that can be produced by a particular sector or group of sectors. The cap is reduced each year to ensure that?emissions?fall with time. The system creates EU Allowances for CO2 emissions that companies must purchase for every metric ton they emit.

Who is covered?

Launched in 2005, the EU's ETS covers approximately 40% of all EU emission, and requires manufacturers, power plants, and airlines flying within Europe, to submit EU carbon permits every year for their emissions.

Why did the price fall?

The prices fell by around 7% after German Chancellor Friedrich Merz announced late Wednesday that Europe's Carbon Market should be "revised" or even delayed at a meeting with industry executives.

On Thursday, other EU leaders supported the idea as they met in Belgium to discuss European?competitiveness. Some demanded that the EU intervene on the carbon market in order to lower prices.

The benchmark EU carbon contract, which was around 71 euro/metric ton last Friday, has dropped almost 20% since the start of the year.

Some EU legislators said that the EU should slow down the pace of reduction in sectoral emission caps. The European Commission said that it also plans to overhaul its support for industries with high emissions to stop them from moving to areas where pollution standards are lower.

Some industries such as steel and aluminum plants are already given a free allocation. The carbon permits are based on industry benchmarks, and they decrease over time.

Why did the carbon fall impact company shares?

The carbon costs are embedded in the European electricity prices. Gas- and coalfired power plants pay for every ton of CO2 they emit, and this cost is added to the price of electricity. Low carbon prices are a boon to polluters, but a disadvantage for firms that produce low-emission electricity such as nuclear and renewable power generators.

On Thursday, shares of the offshore wind giant Orsted and Finland's nuclear energy producer Fortum both fell by almost 4%.

Shares of cement manufacturers Heidelberg Materials and Holcim also fell.

Analysts at Berenberg stated that carbon regulations have been positive for the cement industry, leading to increased efficiencies and prices of cement in order for manufacturers to recover their carbon costs.

Carbon credits are often purchased by companies years in advance. Analysts predicted that prices would continue to rise as the cap on emissions is reduced. If prices continue to drop, companies with large hedges in carbon?permits may find that they've paid more for future coverage.

What do businesses say?

Many business leaders have emphasized the need for reforming carbon pricing to help Europe's competitiveness.

Jim Ratcliffe of the European chemicals giant Ineos said that the chemicals industry in the EU "will not survive" without lower electricity and carbon costs. He called on the EU this week to suspend carbon taxes for five years.

Some firms, like utilities, claim that changing regulations can undermine investments in clean energy technology. IETA, the industry group for emissions trading, said that long-term investment decisions depended on a reliable and credible regulatory framework. It warned against increased political interference in the market.

What happens next?

EU plans to review ETS and a proposal is due in Q3. The EU is already planning to review the ETS, with a proposal due in Q3.

(source: Reuters)