71.   It ordered a study of the possibility of tax breaks for hydroelectric plants and how to encourage upgrades of those plants.

72.   Jajce also is the site of important hydroelectric plants.

73.   Leftist guerrillas kidnapped two Swedish engineers after a failed attack on a hydroelectric plant in northwest Colombia, the armed forces announced Thursday.

74.   Months of sparse rains have shrunk reservoirs that drive hydroelectric plants, just as an economic recovery has raised the demand for electricity.

75.   Most of the rest comes from hydroelectric plants.

76.   On a positive note, the rain was helping hydroelectric plants work at full capacity for the first time in several years, according to Vietnam News.

77.   On Friday he plans to tour a fish-friendly hydroelectric plant in Pennsylvania.

78.   Oil-fueled power plants, hydroelectric plants, windmills, solar panels and other sources provide the rest.

79.   One chief from the district housing the hydroelectric plant said the power went out because some workers at the plant were taken hostage.

80.   Rationing was imposed to avert blackouts, after an exceptionally long dry spell that left reservoirs at hydroelectric plants nearly dry.