1. Energy Information Administration (U.S.). Country Analysis Brief: Saudi Arabia. 〈http://www.eia.gov/countries/analysisbriefs/Saudi_Arabia/saudi_arabia.pdf〉; Updated 10 September 2014.
2. BP Statistical Review of World Energy. 〈http://www.bp.com/en/global/corporate/energy-economics/statistical-review-of-world-energy.html〉.
3. Saudi Arabia's Electricity and Cogeneration Regulatory Authority (ECRA Annual Reports) 2014, 〈http://www.ecra.gov.sa/documents/Annual%20reports/ecra_ebook2014.pdf〉.
4. Middle East Economic Survey. KACARE Outlines Saudi Electricity Energy Source Scenario. May 3; 2013, p. 7.
5. Assessment of solar radiation resources in Saudi Arabia;Zell;Sol Energy,2015