Slovenia
fossil fuel: 35.2%
hydro: 27.3%
nuclear: 36.8%
other: 0.7% (2001)
Solomon Islands
fossil fuel: 100%
hydro: 0%
nuclear: 0%
other: 0% (2001)
Somalia
fossil fuel: 100%
hydro: 0%
nuclear: 0%
other: 0% (2001)
South Africa
fossil fuel: 93.5%
hydro: 1.1%
nuclear: 5.5%
other: 0% (2001)
Spain
fossil fuel: 50.4%
hydro: 18.2%
nuclear: 27.2%
other: 4.1% (2001)
Sri Lanka
fossil fuel: 51.7%
hydro: 48.3%
nuclear: 0%
other: 0% (2001)
Sudan
fossil fuel: 52.1%
hydro: 47.9%
nuclear: 0%
other: 0% (2001)
Suriname
fossil fuel: 25.2%
hydro: 74.8%
nuclear: 0%
other: 0% (2001)
Svalbard
fossil fuel: 57.9984%
hydro: 42.0016%
nuclear: 0%
other: 0%
Swaziland
fossil fuel: 58%
hydro: 42%
nuclear: 0%
other: 0% (2001)