The InvECAT project aims to mobilize voluntary energy efficiency and sustainable energy investment by companies and financial institutions through the development of standardized frameworks and tools. InvECAT developed a toolkit for energy and climate target setting and monitoring those companies, financial institutions, regulators and policy makers can exploit to support domestic and global energy and climate goals. The market uptake of the toolkit by all stakeholders (companies, financial institutions, policy makers and civil society) is supported by the extensive outreach and strong networks that the consortium members have developed in over 20+ years of experience. The core objective of the proposal was to introduce a new practice to the financial sector: setting climate targets aligned with the Paris Agreement, negotiated with governments, and then manage the climate impact of investment and lending portfolios, notably by engaging with investee companies. However, this dynamic led to the emergence of two different philosophies for defining and measuring the contribution of the finance sector: evidence-based, as supported by 2DII, or theory-based, not supported by 2DII. The debate and the related work have basically opened a new field of research, at the crossroad of measurement techniques and legal analysis. This situation created the need for the development of a technical measurement framework beyond what has been produced. An Evidence for Impact Working Group composed of researchers and financial institutions has been initiated in Q1 2020 to help perform this work.