Suriname
fossil fuel: 25.2%
hydro: 74.8%
nuclear: 0%
other: 0% (2001)

Svalbard
fossil fuel: 58%
hydro: 42%
nuclear: 0%
other: 0%

Swaziland
fossil fuel: 58%
hydro: 42%
nuclear: 0%
other: 0% (2001)

Sweden
fossil fuel: 4%
hydro: 50.8%
nuclear: 43%
other: 2.3% (2001)

Switzerland
fossil fuel: 1.3%
hydro: 59.5%
nuclear: 37.1%
other: 2% (2001)

Syria
fossil fuel: 57.6%
hydro: 42.4%
nuclear: 0%
other: 0% (2001)

Taiwan
fossil fuel: 71.4%
hydro: 6%
nuclear: 22.6%
other: 0% (2001)

Tajikistan
fossil fuel: 1.9%
hydro: 98.1%
nuclear: 0%
other: 0% (2001)

Tanzania
fossil fuel: 18.9%
hydro: 81.1%
nuclear: 0%
other: 0% (2001)

Thailand
fossil fuel: 91.3%
hydro: 6.4%
nuclear: 0%
other: 2.4% (2001)