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In everyone’s interest

This study investigates the feasibility, design, and macroeconomic implications of introducing a green interest rate into the European Central Bank’s (ECB) monetary policy framework. Building on recent advancements in green finance taxonomy and regulatory disclosure, the report argues that preferential interest rates for loans financing taxonomyaligned green investments would be legally and operationally viable in the ECB’s forthcoming operational framework, subject to adequate safeguards and policy calibration. Using bank-level data from 47 EU banks, the study estimates that at least €10 billion in eligible green lending could be supported each year. The analysis demonstrates that targeted support for investments in energy efficiency, renewables, energy grid, and sustainable transport can reduce Europe’s vulnerability to energy price shocks, with potential disinflationary effects in the medium term.

Recommended citation:

Jourdan, Stanislas (2025) In everyone’s interest: How the ECB can  support the energy transition with green interest rates. WWF-EU. Available at: https://wwfeu.awsassets.panda.org/downloads/in-everyones-interest-december-2025.pdf.
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A green interest rate for the Eurozone

The current high interest rates slow down the energy transition, making the Eurozone more vulnerable to fossilflation. With a green interest rate programme, the ECB can offset this effect. In this paper we analyse the most relevant design choices for such a green interest rate programme, like how to define ‘green’ and the structure and size of such a programme. Using data from the 2023 Taxonomy-alignment reports of banks we find that a green rate can accelerate the energy transition throughout the Eurozone against modest costs.

Recommended citation:

Jourdan, S., Van Tilburg, R., Kramer, B., Simić, A. and Bronstering, G. (2024) A green interest rate for the Eurozone: evaluating the design choices. Sustainable Finance Lab. Available at: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5015926.
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Aligning Monetary Policy with the EU’s Climate Targets

This policy research, co-authored by the Veblen Institute for Economic Reforms and Positive Money Europe, examines the structural misalignment between the European Central Bank’s (ECB) Corporate Sector Purchase Programme (CSPP) and the European Union’s broader climate policy objectives. Through a granular analysis of the CSPP portfolio, the study finds that 63% of acquired assets belong to high-carbon sectors—including fossil fuel extraction, automotive manufacturing, and energy-intensive utilities—reflecting an uncritical adherence to the “market neutrality” principle. This approach effectively subsidizes carbon-intensive industries by maintaining low capital costs and favorable debt issuance conditions for polluting firms.

The authors argue that the ECB’s current strategy ignores “transition risks” and fails to fulfill procedural obligations under Article 11 TFEU, which requires all EU institutions to integrate environmental protection into their policies. To rectify this, the report proposes a radical shift from neutrality to a sustainability-based framework.

Key recommendations include:

  • Revising the Collateral Eligibility Framework to include environmental impact “haircuts,” effectively raising refinancing costs for carbon-intensive assets.The report urges the ECB to abandon “market neutral” for a climate-aligned strategy. By mandating carbon disclosure and integrating environmental risks into refinancing, the ECB can use its financial power to back EU 2030 climate goals, not subsidize fossil fuels.
  • Implementing mandatory carbon footprint disclosure as an eligibility criterion for CSPP reinvestments by 2020.
  • Phasing out bonds from the fossil fuel sector while increasing the share of green bonds and sustainable transport securities (e.g., rail).

This policy note suggests a way to integrate carbon emissions as a criterion in its own right, shaping central banks’ investment decisions and the collateral framework used for refinancing purposes. As the ECB intends to maintain its balance sheet volume at its current level even after the Quantitative Easing officially ends, the most urgent decisions concern the reinvestment of revenues from programs such as the CSPP. Technical difficulties related to estimating carbon emissions for different financial assets are real but surmountable and should not justify inaction.

Recommended citation:

Jourdan, S. and Kalinowski, W. (2019) Aligning Monetary Policy with the EU’s Climate Targets. Positive Money Europe, Veblen Institute. Available at: https://www.positivemoney.eu/wp-content/uploads/2019/04/Aligning-Monetary-Policy-with-EU%E2%80%99s-Climate-Targets.pdf.