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Between climate protection and competitive fears: EU emissions trading under the microscope

Zwei Industrieschornsteine stoßen dichten Rauch vor einem rot-orangen Abendhimmel aus.

April 15, 2026 | Reading time: 16 minutes

New timeline, laxer rules, dissatisfied pioneers: What companies need to know.

Actually, everything seems quite simple: Entities emitting CO₂ in relevant sectors are obligated to compensate for this by dispensing emission allowances – in other words, paying their way. A mechanism agreed by the European Parliament and the Council of the European Union in 2005 when they adopted the Directive on the introduction of the EU Emissions Trading System (EU ETS). In order to enable companies to compensate for the cost disadvantages arising from emissions trading in international competition, a large share of the certificates are allocated to them free of charge. The number of free authorizations, however, decreases over the years. 

This market economy lever works: According to the Federal Environment Agency, energy-intensive industry, the energy sector and aviation have reduced greenhouse gas emissions by more than 50 percent since then – although the economy has grown at the same time. In view of these shifts, Achim Wambach, head of the Centre for European Economic Research (ZEW), also considers emissions trading to be a genuine success story: Emissions trading has developed into an effective climate protection instrument. "Many people abroad are jealous that Europe has managed to implement this emissions trading scheme," as Wambach related to Deutschlandfunk.

ETS coming under pressure

This position is not universally shared: Especially the chemical industry is exerting pressure on the tested and tried control instrument, which has meanwhile proven its worth for more than 20 years. Critics argue that carbon pricing lifts production costs in the EU, putting export-oriented companies at a disadvantage on the global markets. This is because manufacturing companies from regions with less stringent climate regulations are able to offer their products at lower prices. This could result in European companies relocating their production facilities to countries with less stringent climate protection requirements (known as carbon leakage), putting hundreds of thousands of industrial jobs in the EU at risk. The resulting demand: abolish or reform the ETS.

According to the criticism, this is justified by the fact that the Carbon Border Adjustment Mechanism (CBAM) does not create any balance either. The Carbon Border Adjustment Mechanism is an EU climate protection instrument that will levy a CO₂ price on certain imported goods from 2026. And the criticism points out the following: Although it makes imports more expensive, it provides no protection for European exports to third countries. This argument, however, would amount to discarding the social mandate of climate neutrality instead of revising and tightening up an efficient instrument that has proven its worth.

EU Commission wants to relax ETS requirements

In actual fact, Brussels has made it amply clear that the goal of achieving climate neutrality by 2050 is not up for discussion. The EU Commission, however, is proposing adjustments to the issue of emission allowances given that the situation of the manufacturing industry has worsened in connection with the current explosion in energy prices. The Commission plans to issue free certificates for a longer period than previously planned, while the auctioning of certificates is also set to end later. At the beginning of April, the EU Commission took an initial step towards dealing with the so-called surplus certificates in order to stabilize the ETS price. As an emergency measure, the EU intends to adjust the Market Stability Reserve (MSR). This instrument was previously used to cancel surplus certificates as soon as the reserve exceeded 400 million certificates. In future, according to the Brussels proposal, more securities should remain as reserve and the Commission would like to abolish the expiry mechanism to facilitate coping with price fluctuations. This reduces the costs of CO2-intensive production.

The Commission's proposals must now be approved by the European Parliament and the 27 EU member states. In July, the EU Commission will be presenting a comprehensive proposal on this. Federal Chancellor Friedrich Merz has already spoken out in favor of a reform of CO2 pricing in Europe at an economic summit in Antwerp – and advocated that the next steps should at least be postponed. With such statements, the Chancellor "speaks from the heart of those in the energy-intensive industry that have put the transformation on the back burner. However, it alienates all the companies that have invested on the basis of political guard rails in recent years," says Katharina Reuter, Managing Director of the Bundesverband Nachhaltige Wirtschaft (BNW e.V.).

Are longer ETS deadlines undermining decarbonization?

Salzgitter AG, for example, ranks as one of the decarbonization pioneers. The Group has committed the largest investment in its history to minimize its carbon footprint in steel production. For Salzgitter, the EU ETS is a central planning foundation on which SALCOS® – the company's own decarbonization program – is built. The CBAM CO2 border adjustment is also a functioning measure – albeit with potential for optimization. 

The back and forth "unsettles companies and consumers, paralyzing growth and investment," as Gunnar Groebler, CEO of Salzgitter AG, issues a warning statement. This would prevent Germany from escaping global energy dependencies. The central climate protection instrument ETS must not be undermined at the expense of planning security for decarbonization.

It is difficult, as Groebler went on to state, to change the rules of the game when many investment decisions have long since been made. As a first mover, Salzgitter AG fears that its commitment to the Paris climate targets will not pay off. Consequently, the company is demanding that it should not suffer any economic disadvantages from the extension of the deadline for free certificates. Salzgitter AG is already building a direct reduction plant, an electric arc furnace and an electrolysis facility and is investing large sums in this conversion, which will enable the production of low-CO₂ steel. The argument of selling the CO₂ certificates saved as compensation also does not hold water in view of the expected value reduction of the certificates if the deadlines are extended. Groebler adds: "Green steel is only competitive if the cost of CO2-intensive steel trends upwards." EU emissions trading is an effective instrument for creating climate-neutral industry. Decarbonization strengthens the resilience of the European economy due to the fact that it reduces the dependence on fossil fuels.

Deadlines, costs, border adjustment: EU emissions trading – the most important facts

What is EU emissions trading?

The EU Emissions Trading System (EU ETS) is the central instrument for reducing CO2 emissions in energy-intensive industries. The EU ETS 1 has been in force since 2005 – and it was, and still is the world's largest greenhouse gas emissions trading system. The underlying principle: The higher the emissions, the more certificates will have to be purchased – and the more expensive things will get. The law currently stipulates that the free allocation of certificates will be significantly reduced from 2026 and will expire entirely in 2034. According to current legislation, the auctioning of new certificates is to end after the year 2039. It is expected that industry will then be able to offset its residual emissions by way of negative emissions in order to achieve the net-zero climate target. 

How does EU emissions trading work?

EU emissions trading follows a clearly defined mechanism: The quantity of available certificates will decrease in a binding manner – as from 2039, no new certificates will be available without corresponding negative emissions. Experts speak of "cap and trade": An upper limit (cap) is set for the amount of CO2 that may be emitted in a given period. The cap limits the available quantity of emission allowances. The quantity of certificates is decreasing every year, thereby making the purchase of pollution rights more and more expensive. If companies do not use up their quota because they have invested in climate protection measures, they can sell their surplus certificates to companies that need more than they have purchased at auctions or have been allocated free of charge. "Trade" means precisely this trade.

How much does a certificate cost?

The current price stands at around 70 euros per tonne. Within the context of the European Emission Trading System (EU-ETS 1) this applies to the trading period from 2021 to 2030: A total of 57% of the certificates are auctioned and must be purchased, while the remaining 43% are allocated free of charge. The specific proportion of free allocation and certificates subject to mandatory purchase for individual companies varies quite considerably depending on the decarbonization options available in the respective sectors.

Who has to buy CO₂ certificates?

The EU ETS regulation covers energy-intensive sectors such as the steel and chemical industries or refineries, as well as paper and cement plants. All EU companies that generate electricity or heat from coal, natural gas or oil are also involved in emissions trading, provided their plants have a heat output exceeding 20 megawatts.

Why is the steel industry impacted by ETS?

The steel industry is the largest emitter of greenhouse gases in the industrial sector in Germany – accounting for between 1.6 and 2.2 tons of CO2 being emitted per ton of steel. If Germany wants to achieve its climate targets, it is therefore crucial that the steel industry reduces its emissions. In view of this situation, Salzgitter AG has launched the transformation program SALCOS®. The goal: To respond with a clearly defined, tailored cleantech 

What role does SALCOS® play within the context of the EU ETS?

The SALCOS® – Salzgitter Low CO₂ Steelmaking – transformation program relies on hydrogen-based direct reduction (DRI), and, when fully implemented, is capable of reducing CO₂ emissions in steel production by up to 95%. This fits in with the ETS logic: Every tonne of CO2 that is permanently avoided reduces the need for certificates, which are becoming increasingly expensive. Salzgitter AG therefore expects sustainability to pay off. The current ETS rules, however, must continue to be adhered to. 

Will ETS make all steel products more expensive?

No, in most customer industries the impact is minor: The use of CO₂-reduced steel increases the production costs of a car, for example, by less than one percent. At the same time, however, ETS will increase the CO₂ costs for conventionally produced steel because the free allocations will decrease annually over the longer term. It is therefore only a matter of time before low-CO₂ steel becomes the more favorable choice in terms of overall costs.

What is the connection between EU ETS, CBAM and the EU Safeguards?

The EU Safeguards and CBAM are independent regulations and, in conjunction with ETS, are intended to ensure fair global competitive conditions. CBAM – the CO₂ border adjustment – is not part of the EU ETS, but is closely interlinked with it. This means that steel imports into the EU will incur CO₂ costs for the first time from the outset of 2026. The result: Low-CO₂, European-produced steel will become structurally more competitive compared to imported steel with a high CO₂ load. In October 2025, the European Commission also presented new safeguard measures to protect the domestic steel market from the deluge of imports and ensuing ruinous price competition. The new EU safeguards are intended to reduce import quotas for steel by around half. Customs duties on quantities in excess of this are to be raised to 50 percent. Which means the following: Imports into the EU will remain duty-free as long as they do not exceed fixed quotas. When the quotas are exceeded, the protective duty will take effect.

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