The International Transition Plan Network published research associating complete corporate climate-transition plans with an average 80-basis-point reduction in effective borrowing costs. The study examined financial and climate-disclosure data for nearly 8,000 listed companies across developed and emerging markets. It found the complete-plan group’s average cost of debt was 11.7% lower than the comparison group’s. The report and outside academics cautioned that the analysis did not establish a definitive causal relationship.
ITPN developed the report with SCS Consulting Services using CDP disclosures from 2016 through 2024 and financial outcomes covering 2016 to 2023. More than 3,300 companies in the sample disclosed at least one transition-plan component, while 1,540 disclosed all assessed components at some point. The analysis controlled for company size, sector, region and several financial characteristics. It measured cost of debt as annual interest expense divided by total outstanding debt.
BORROWING-COST ASSOCIATION
The reported 80-basis-point difference would equal about $10 million in annual interest expense for a company with the sample’s median debt of roughly $1.25 billion. The estimate for complete plans was statistically significant only at the 10% level, indicating greater uncertainty than a conventional 5% test. Partial disclosure showed smaller and less consistent associations.
The relationship varied by sector and market. The Financial Times reported that it was strongest in financial services and real estate in developed economies and in healthcare in developing economies. That variation limits the use of the 80-basis-point figure as a universal pricing benchmark.
CAUSALITY REMAINS UNCERTAIN
The report said reverse causality and omitted management-quality factors could partly explain the results: companies that can prepare complete plans may also be better managed or better financed. The Financial Times quoted external academics who questioned whether the analysis separated causation from correlation and whether aggregate interest expense could distinguish different debt instruments. ITPN therefore presented the finding as an association rather than proof that disclosure itself cuts borrowing costs.
For lenders, the study adds evidence that transition information may be relevant to credit assessment, but it does not support an automatic pricing discount. Issuers may nevertheless view more complete plans as useful evidence for discussions with creditors if the underlying targets and financing needs are credible. The next test will be whether longer time series and instrument-level debt data reproduce the result across sectors and regions.