ISS STOXX Launches Sovereign Climate Impact Report for Investor Portfolio Climate Analysis

ISS Sustainability Solutions has launched the Sovereign Climate Impact Report, a new solution enabling investors to assess, measure and report on climate transition risks and impacts within their sovereign bond portfolios. Incorporating more than 180 current and forward-looking metrics, the solution covers carbon footprinting, transition analysis and climate scenario alignment, and supports disclosure under ISSB, TCFD, CSRD and SFDR requirements.

The Sovereign Climate Impact Report extends ISS's existing corporate-issuer Climate Impact Report to cover sovereign and sub-sovereign exposures, responding to market demand for equivalent analytical tools for government bond portfolios. Key features include transition risk analysis focused on the energy profile of sovereigns — including fossil fuel reserves and dependency, subsidies and energy mix — compared to the International Energy Agency's Net Zero scenario, and portfolio scenario alignment to net zero by 2050 using Network for Greening the Financial System scenarios. The solution aligns sovereign exposures to the latest Partnership for Carbon Accounting Financials methodology.

Sovereign bond portfolios represent a major component of institutional investor allocations globally, yet climate risk analysis for government issuers has historically lagged behind the tools available for corporate credit and equity portfolios. As climate-related financial disclosure requirements expand under CSRD, SFDR and national equivalents to TCFD, institutional investors are required to report on the climate risk across their entire portfolio including sovereign holdings. The inclusion of fossil fuel dependency metrics and energy mix analysis enables investors to identify which sovereign exposures carry higher transition risk as global decarbonisation accelerates.

For investors with significant exposure to Indian sovereign bonds, including foreign portfolio investors and global asset managers, a standardised sovereign climate impact framework could enable more systematic assessment of India's trajectory on climate targets, energy transition progress and fossil fuel dependency. India's NDC commitments, its renewable energy capacity additions and its continued reliance on coal-fired power generation are all factors that would feature in a sovereign climate impact analysis. ISS STOXX's Till Jung said the firm is a 'trusted partner to the global institutional investor community' and that further climate solution innovations are planned in 2025.

Key figure — More than 180 current and forward-looking metrics in the Sovereign Climate Impact Report