United Kingdom: fossil fuel: 69.38%

hydro: 1.55%

nuclear: 26.68%

other: 2.39% (1999)

United States: fossil fuel: 69.64%

hydro: 8.31%

nuclear: 19.8%

other: 2.25% (1999)

Uruguay: fossil fuel: 3.86%

hydro: 95.44%