1. BP Energy Outlook (2018) 2018 Edition.https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/pdfs/energy-economics/energy-outlook/bp-energy-outlook-2018.pdf.April 2021
2. BP Energy Outlook (2019) 2019 Edition. https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/pdfs/energy-economics/energy-outlook/bp-energy-outlook-2019.pdf. April 2021
3. BP Energy Outlook (2020) 2020 Edition. https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/pdfs/energy-economics/energy-outlook/bp-energy-outlook-2020.pdf. April 2021
4. Brass JN, Carley S, MacLean LM, Baldwin E (2012) Power for development: a review of distributed generation projects in the developing world. Annu Rev Environ Resour 37:107–136
5. 2030 Climate Target Plan (2020) The 2030 climate and energy framework includes EU-wide targets and policy objectives for the period from 2021 to 2030. https://ec.europa.eu/clima/policies/strategies/2030_en. April 2021