1. United Nations, Sustainable Development Goals Report , UN technical report, 2016
2. International Energy Agency, Energy technology perspectives 2015 – mobilizing innovation to accelerate climate action , IEA technical report, 2015
3. Energy Information Administration, International Energy Outlook 2017 – Reference case projections for electricity capacity and generation by fuel , U.S. technical report, 2017
4. IPCC special report, Global Warming of 1.5 °C , Intergovernmental Panel on Climate Change technical report, 2018
5. The Technology Path to Deep Greenhouse Gas Emissions Cuts by 2050: The Pivotal Role of Electricity