The objective of this Report is to explore financing requirements and possible business models for deployment of 40 GW of rooftop solar by 2022, and also assess the requirements and utilization of public finance for deploying and integrating 175 GW RE by 2022 – a major theme towards achieving the stated RE targets. While the report focuses on financing requirements for generation tariff parity in details, it also touches upon the finance requirements for grid expansion, grid integration, manufacturing and human resource aspects.