The synergies between rooftop solar PV (RPV) and energy efficiency (EE) investments in the built environment include lower specific transaction costs, optimized RPV systems, shorter project payback periods (compared to RPV-only projects), and, for EE, enhanced project visibility. These synergies...

This brief summarizes an analysis of 37 winning bids for utility-scale solar PV plants procured through auctions in 13 developing countries between 2013 and 2016. For comparison, the full report, obtainable from the authors, also describes examples of a failed PV auction in Indonesia and a...