1. IPCC, AR5 - Working Group 3, Mitigation of Climate Change - Contribution of Working Group III, 2014.
2. S. Few, O. Schmidt, A. Gambhir, Electrical energy storage for mitigating climate change, 2016.
3. International Renewable Energy Agency (IRENA), Electricity storage and renewables: Costs and markets to 2030, 2017.
4. Renewable Energy Policy Network for the 21st Century, Renewables 2020 Global Status Report, 2020.
5. International Energy Agency, Tracking Clean Energy Progress, 2020.