The ECB will apply a “climate factor” to reduce the value of collateral from non-financial corporate bonds vulnerable to climate-related transition risks.
The measure aims to strengthen monetary policy resilience by integrating forward-looking climate scenario analyses.
Implementation is set for the second half of 2026 and will be regularly reviewed to align with evolving data and regulatory frameworks.
The European Central Bank (ECB) will introduce a new climate-focused measure within its collateral framework to safeguard the Eurosystem against the financial risks posed by climate-related transition shocks.
The ECB’s Governing Council approved the introduction of a “climate factor” that will adjust the value of eligible marketable assets pledged as collateral by non-financial corporations and their affiliates. The adjustment will depend on each asset’s exposure to transition risks associated with climate change.
“The value of collateral from counterparties in the Eurosystem’s refinancing operations is sensitive to climate change-related uncertainties,” the ECB stated. “This acts as a buffer against the possible financial impact of uncertainties related to climate change.”
Set to take effect in the second half of 2026, the measure will initially target marketable debt instruments issued by non-financial corporations. Calibration of the climate factor will rely on multiple inputs, including:
Sector-level data from the Eurosystem’s 2024 climate stress test
The issuer’s CSPP (Corporate Sector Purchase Programme) climate score
The asset’s residual maturity
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This forward-looking risk control mechanism will be incorporated into the ECB’s broader risk management framework to enhance the resilience of monetary policy implementation. According to the ECB, the measure “will complement the Eurosystem’s existing risk management toolbox by considering forward-looking climate scenario analyses.”
The Governing Council will review the climate factor regularly, adjusting it in response to improved climate-related data, enhanced risk models, and regulatory developments. The calibration will also ensure that collateral availability within the Eurosystem remains adequate.
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