Tracking private climate finance, together with flows of public finance, is a key task in monitoring progress in the international effort to address climate change. Yet, there are significant data, methodological and knowledge gaps on climate-related private finance, and available information is scattered. Further research and better co-ordination of on-going initiatives are therefore required to improve their identification, measurement or estimation and reporting.

The Research Collaborative is an open network, co-ordinated and hosted by the OECD, of governments, research institutions and international finance institutions. The goal is to partner and share best available data, expertise and information to advance policy-relevant research in a comprehensive and timely manner. The project is designed to serve as a co-ordinating platform for identifying research priorities and gaps, sharing information, weaving a coherent narrative across what would otherwise be disparate research outputs, as well as communicating results to raise awareness in this area.

latest publications 

18 December 2015
Release of “Sector-level approach to estimating mobilised
private climate finance: the case of renewable energy”

20 November 2015
Release of "Estimating mobilized private finance for
adaptation: exploring data and methods”

This OECD working paper explores the extent to which currently-available secondary data make it possible to estimate private finance mobilised by developed countries for renewable energy projects in developing countries.

Findings underline the need for improved primary data collection, in particular by public climate finance providers on private co-finance, building upon the recent progress already achieved.

The paper also highlights that very careful and transparent use should be made of private finance leverage ratios, as they are highly sensitive to underlying calculation methods as well as to varying mandates of development agencies and institutions.

This Climate Policy Initiative report in collaboration with the OECD, advances understanding of how to assess publicly-mobilised private investment in climate resilience.

It does so by developing, testing and evaluating a range of methodological options to estimate the amount of private finance mobilised by developed countries’ public finance interventions for climate adaptation in developing countries.

While on-going climate finance tracking efforts focus on measuring private finance mobilised directly, this study also explores possibilities to estimate private finance mobilised indirectly by e.g. by public finance for capacity building or project demonstration.

Research Collaborative - WKP No 98 Sector-level approach to estimating mobilised private climate finance (cover page) Research Collaborative Climate Policy Initiative Cover Page



7 October 2015
Release of "Climate Finance in 2013-14
and the USD 100 billion goal”

4 March 2015
Release of “Estimating mobilised private climate finance:
methodological approaches, options and trade-offs”

This OECD study, in collaboration with Climate Policy Initiative provides an aggregate estimate of public and mobilised private climate finance by developed countries for climate action in developing countries, based on a transparent methodological framework. 

The estimate reaches USD 62 billion in 2014, up from
USD 52 billion in 2013 and making an average of
USD 57 billion annually over the 2013-14 period.

Mobilised private finance accounts on average for 26% of the total. It was estimated based on private co-financing data from bilateral and multilateral development finance institutions as best-available evidence of mobilisation.

This joint OECD-World Resources Institute paper places Research Collaborative findings from work conducted to date within a framework that steps through key decision points involved in estimating publicly mobilised private climate finance and assesses a range of methodological options to address these.

Based on this assessment, the analysis: (i) Highlights methodological options that could pragmatically be implemented to estimate mobilised private climate finance in the short term, and (ii) Outlines possible longer-term action points towards achieving more systematic and comparable data and methods.

The intent is to help guide on-going and future efforts to further develop, implement and test different methodological approaches.

‌‌OECD-CPI Climate Finance Report -cover

‌‌‌‌‌‌‌‌Research Collaborative - Estimating mobilised private climate finance - working paper no. 83