ETS Phase 4: Carbon Pricing Impact on Nordic Industry

The EU Emissions Trading System has been the cornerstone of European climate policy since 2005. Its fourth phase, running from 2021 to 2030, was fundamentally reshaped by the 2023 revision (Directive 2023/959)^[1] to align with Fit for 55 targets. For Nordic energy-intensive industries, particularly steel, cement, and chemicals, these changes translate into concrete financial impacts that require strategic response.

The New ETS Mechanics

The revised ETS introduces several mechanisms that compound to create stronger carbon price signals:

Steeper cap reduction. The overall emissions cap decreases by 4.3% per year from 2024 to 2027, then 4.4% from 2028 to 2030.^[2] Combined with a one-off "rebasing" that removed 90 million allowances in 2024, the total supply of allowances drops significantly faster than in Phase 3.

Market Stability Reserve (MSR) strengthening. The MSR continues to absorb surplus allowances at an intake rate of 24% of allowances in circulation. The 400-million-allowance invalidation threshold permanently removes excess supply, providing a price floor mechanism that prevents the kind of price crashes seen in Phase 2.

ETS 2 for buildings and transport. From 2027, a second ETS covers fuel combustion in buildings and road transport.^[3] While this does not directly affect industrial installations, it expands the overall carbon pricing framework and creates political pressure to maintain high prices across both systems.

Impact on Steel Production

The Nordic steel sector is at a critical juncture. Finland's SSAB Raahe plant and Sweden's SSAB Oxelosund and Lulea plants operate traditional BF-BOF routes that emit approximately 2.0 tonnes CO2 per tonne of crude steel. With EUA prices at EUR 65-80 and declining free allocation, the carbon cost trajectory is clear.

Current exposure (2026): A plant producing 2 million tonnes annually with free allocation covering approximately 80% of benchmark emissions faces a net carbon cost of roughly EUR 25 to 35 million per year. This represents 3 to 5% of revenue for a typical Nordic steel operation.

Projected exposure (2030): As free allocation drops to roughly 50% of benchmark and EUA prices potentially reach EUR 100+/tonne (as modelled by the European Commission's impact assessment), the same plant faces EUR 150 to 200 million in annual carbon costs, or 15 to 20% of revenue. This is the economic driver behind SSAB's HYBRIT hydrogen steel project and similar decarbonization investments across the sector.

The benchmark system rewards efficiency. Plants operating below the benchmark emission intensity receive surplus free allowances they can sell. Plants above the benchmark face increasing costs. The benchmark for hot metal, for example, is 1.328 tonnes CO2 per tonne of product^[4], and it tightens annually. Only the most efficient BF-BOF plants in Europe approach this level.

Impact on Cement Production

Cement is the single most carbon-intensive material by volume in the economy. Roughly 60% of cement's CO2 emissions come from the calcination process (heating limestone to produce clinite), which is a chemical process emission that cannot be eliminated through energy efficiency alone.

Finland's cement production (Finnsementti at Parainen and Lappeenranta) produces approximately 700 kg CO2 per tonne of cement. With free allocation declining and no immediate alternative to clinker-based cement at industrial scale, the sector faces a stark choice: invest in carbon capture and storage (CCS) or accept escalating carbon costs that will eventually make domestic production uncompetitive.

The ETS benchmark for grey cement clinker is 0.766 tonnes CO2 per tonne^[5], already below the industry average. As this benchmark tightens, even efficient producers will need to purchase additional allowances. For a plant producing 1 million tonnes of cement annually, the trajectory from EUR 5 million in 2026 to EUR 30+ million by 2030 in net carbon costs is forcing serious CCS feasibility studies.

Impact on Chemical Production

The Nordic chemical industry is diverse, spanning petrochemicals (Neste in Finland, Borealis in Sweden), specialty chemicals, and fertiliser production (Yara in Norway). Each sub-sector faces different ETS dynamics.

Fertiliser production (ammonia/urea) is particularly exposed because it combines energy-intensive hydrogen production with process CO2 emissions. The ammonia benchmark at 1.619 tonnes CO2 per tonne is among the tightest in the ETS, reflecting the difficulty of reducing emissions from steam methane reforming without switching to green hydrogen.

Petrochemicals benefit from relatively lower emission intensity per unit of revenue but face the challenge of Scope 3 emissions from product use, which, while not directly priced under ETS, increasingly affect market access and customer demand under CSRD value chain reporting.

Strategic Response Framework

Short-term (2026-2027): Optimize within existing technology. Energy efficiency investments with payback periods under 3 years should be implemented immediately. Waste heat recovery, process optimization, and fuel switching from coal to natural gas or biomass offer incremental emission reductions that directly reduce ETS compliance costs.

Medium-term (2027-2030): Invest in breakthrough technologies. Hydrogen-based steel (HYBRIT, H2 Green Steel), CCS for cement (Norcem Brevik pilot), and green ammonia (Yara HEGRA project) represent the technologies that can achieve the 50 to 90% emission reductions needed to remain competitive under ETS Phase 4 carbon prices.

Continuous: Automate carbon management. With quarterly compliance deadlines, benchmark tracking, and free allocation adjustments, manual carbon management in spreadsheets creates both compliance risk and missed optimization opportunities. Real-time carbon cost visibility integrated into production planning enables operators to minimize emissions during high-carbon-price periods.

References

[1] Directive (EU) 2023/959 of the European Parliament and of the Council of 10 May 2023 amending Directive 2003/87/EC establishing a system for greenhouse gas emission allowance trading. OJ L 130, 16.5.2023. EUR-Lex: eur-lex.europa.eu/eli/dir/2023/959/oj.
[2] European Commission, "Revision of the EU Emissions Trading System," Art. 9 and Art. 9a of Directive 2003/87/EC as amended by Directive 2023/959 — linear reduction factor of 4.3% (2024–2027) and 4.4% (2028–2030).
[3] Directive (EU) 2023/959, Chapter IVa — Emissions trading system for buildings, road transport, and additional sectors (ETS 2), applicable from 2027.
[4] Commission Implementing Regulation (EU) 2021/447 of 12 March 2021 determining revised benchmark values for free allocation of emission allowances for the period 2021–2025. Hot metal benchmark: 1.328 tCO2/t product. OJ L 87, 15.3.2021.
[5] Commission Implementing Regulation (EU) 2021/447, Annex I — Grey cement clinker benchmark: 0.766 tCO2/t product for the period 2021–2025.

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