ECB to start work in 2022 to add climate risk to capital buffers

European bank regulators are set to start work later this year on adding climate-change risks to the framework for setting capital requirements, in a shift that would penalize lenders for failing to prepare for losses from extreme weather and the shift to clean energy.

Several members of the European Central Bank’s supervisory board say they expect to begin discussions in the second half of 2022 once they’ve received results from an ongoing climate stress test and accompanying review. Determining the methodology is likely to be contentious and take until next year or beyond, the people said, meaning a new approach to setting individual requirements could still be several years away. 

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This month, the ECB began the most detailed study to date of the losses banks could face from climate change, and called it a “learning exercise” for the industry and regulators alike. Requiring banks to broadly assign more capital on the basis of climate risks would represent a major shift in the way regulators seek to prevent financial-sector blowups, and has been lobbied against by the industry.

An ECB spokesman declined to comment on the process.

Yet the uncertainty over how fast the planet will warm in the coming decades and still-scarce data on climate impact on many banks’ balance sheets has regulators preparing for difficult discussions, said the officials. They expect stark divisions among officials on how hard to push banks, they said, given that the process relies on patchy data and incomplete methodology.

The central bank is also conducting a thematic review on how banks are incorporating climate into their wider operations including governance and risk management.

Climate issues remain high on the ECB’s list of priorities, even as the war in Ukraine poses the threat of near-term losses for banks if an economic downturn materializes. Irene Heemskerk, head of the Frankfurt-based central bank’s climate center, which seeks to cover the impact across policy areas, said Tuesday that the war isn’t influencing the agenda so far.

One possibility would be to give banks scores that would be factored into their respective capital requirements, according to the regulators Bloomberg spoke to. That could reflect both the volume of their loans to borrowers who face climate issues, as well as the lender’s preparation in terms of financial reserves and ability to detect and manage risks, they said.

Banks have to comply with minimum capital requirements set for the wider industry as well as an additional buffer which the ECB tailors for each individual lender based on the risks the firm takes.

Translating the scores into bank-specific requirements will probably prove the most controversial issue for the board because it could penalize institutions that lend to Europe’s industrial backbone, said the regulators. There’s also concern about inadvertently pushing banks to cease giving credit to homeowners or companies in certain areas such as coastal regions, the officials said. 

Climate change can affect banks via physical events such as floods that wipe out the value of buildings that back mortgages or losses on loans to corporate borrowers hit by higher carbon prices or new government regulation for polluters. The ECB has previously said there won’t be a direct effect from this year’s stress test on the capital requirements banks face, but that climate will eventually be treated as other risks.

— With assistance from Alexander Weber.

Bloomberg News
Capital requirements Climate change Risk management Regulation and compliance
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