1. Renewable Energy Policy Network for the 21st Century, Renewables 2020 Global Status Report, REN21, 2020. URL:http://www.ren21.net/resources/publications/.
2. Lazard, Lazard’s Levelized Cost of Energy Analysis - Version 14.0, Tech. rep., Lazard (2020). URL:https://www.lazard.com/perspective/levelized-cost-of-energy-and-levelized-cost-of-storage-2020/.
3. Effects of geographical dispersion on wind turbine performance in England: A simulation;Palutikof;At Environ Part A, General Topics,1990
4. Sustainable Energy – without the hot air;Mackay;UIT Cambridge Ltd.,2009
5. M. Park, J. Ryu, W. Wang, J. Cho, Material design and engineering of next-generation flow-battery technologies, Nature Reviews Materials 2 (1). doi:10.1038/natrevmats.2016.80.