1. 2021 Annual Technology Baseline,2021
2. US Energy Information Administration, Levelized Costs of New Generation Resources in the Annual Energy Outlook 2021, US Department of Energy. , February 2021.
3. Independent Electricity System Operator Data Directory. (accessed August 2021).
4. International Energy Agency website, Greenhouse gas emissions from energy – data explorer. (accessed December 2021).
5. US Energy Information Administration website. (accessed December 2021).