Federal Ministry for Economic Affairs and Energy (BMWi). (2020). Energy Transition in Germany. Retrieved from BMWi. Â Hal 5-25.
Fraunhofer Institute for Solar Energy Systems ISE. (2020). Net Public Electricity Generation in Germany in 2020. Retrieved from Fraunhofer ISE. Hal 12-18.
China National Renewable Energy Centre (CNREC). (2021). Solar Power Development in China. Retrieved from CNREC. Hal 45-60
Renewable Energy World. (2020). China's Great Wall of Solar: The Tengger Desert Solar Park. Retrieved from Renewable Energy World. Hal 23-35
American Wind Energy Association (AWEA). (2020). Wind Energy in Texas. Retrieved from AWEA. Hal 10-22.
Roscoe Wind Farm. (2021). Project Overview. Retrieved from Roscoe Wind Farm. Hal 3-10.
Kenya Electricity Generating Company (KenGen). (2020). Geothermal Development in Kenya. Retrieved from KenGen. Hal 30-45.
International Geothermal Association (IGA). (2021). Geothermal Power in the Rift Valley. Retrieved from IGA. Hal 12-28.
