1. ABARE, 2006. Electricity generation. Data from ABARE eReport 05.9 Australian energy: national and state projections to 2029–30. 〈http://www.abareconomics.com/interactive/energy/excel/ELEC_05.xls〉.
2. Arbeitsgemeinschaft Energiebilanzen, 2005. Auswertungstabellen zur Energiebilanz für die Bundesrepublik Deutschland 1990 bis 2004. Berlin, Germany. 〈http://www.ag-energiebilanzen.de/〉 (Table 2.10.1 and 〈http://www.ag-energiebilanzen.de/daten/str0205w1.pdf〉, 〈http://www.ag-energiebilanzen.de/daten/vorengl.pdf〉, 〈http://www.ag-energiebilanzen.de/daten/gesamt.pdf〉).
3. Danish Energy Authority, 2005. Annual Energy Statistics for 2004, Copenhagen, Denmark 〈http://www.ens.dk/graphics/UK_Facts_Figures/Statistics/yearly_statistics/Homepage/sp_frameset.htm〉.
4. DTI, 2006. Energy Statistics. Department of Trade and Industry (DTI). United Kingdom. 〈http://www.dti.gov.uk/files/file17421.xls〉 (Table 5.6 Electricity fuel use, generation and supply. Data for major power producers).
5. EIA, 2005. Annual Energy Review 2004. Report No. DOE/EIA-0384(2004). Energy Information Administration (EIA). US Department of Energy (DOE). Washington, DC, United States. 〈http://www.eia.doe.gov/aer/elect.html〉 (Table 8.7b Consumption of Combustible Fuels for Electricity Generation and Useful Thermal Output: Electric Power Sector. Table 8.2b Electricity Net Generation: Electric Power Sector, 1949–2004. Table 8.3b Useful Thermal Output at Combined-Heat-and-Power Plants: Electric Power Sector, 1989–2004).