Links:
[1] https://usea.org/publication/usea-2016-annual-report
[2] https://usea.org/sites/default/files/USEA_2016_AnnualReport.pdf
[3] https://usea.org/energy-category/renewable-energy
[4] https://usea.org/energy-category/coal
[5] https://usea.org/energy-category/distribution
[6] https://usea.org/energy-category/energy-efficiency
[7] https://usea.org/energy-category/generation
[8] https://usea.org/energy-category/nuclear
[9] https://usea.org/energy-category/oil-gas
[10] https://usea.org/energy-category/transmission