1. IEA (2017) Key world energy statistics. International Energy Agency. https://www.iea.org/publications/freepublications/publication/KeyWorld2017.pdf Accessed 12 Oct 2017
2. BNEF (2017) New energy outlook 2017. Bloomberg New Energy Finance. https://data.bloomberglp.com/bnef/sites/14/2017/06/BNEF_NEO2017_ExecutiveSummary.pdf?elqTrackId=431b316cc3734996abdb55ddbbca0249&elq=0714ab8b3c51467a8b29e864d6fff67a&elqaid=7785&elqat=1&elqCampaignId = Accessed 12 Oct 2017
3. DOE (2012) Philippine Energy Plan 2012-2030. Philippines’ Department of Energy. https://www.doe.gov.ph/sites/default/files/pdf/pep/2012-2030_pep.pdf Accessed 09 Sept 2017
4. DOE (2016) Philippine Power Statistics 2015. Philippines’ Department of Energy. https://www.doe.gov.ph/sites/default/files/pdf/energy_statistics/power_statistics_2015_summary.pdf Accessed 01 Jan 2017
5. Kim K, Park H, Kim H (2017) Real options analysis for renewable energy investment decisions in developing countries. Renew Sust Energ Rev 75:918–926. https://doi.org/10.1016/j.rser.2016.11.073