What’s more, hydropower is the backbone of Washington’s clean energy grid, providing 80%-90% of clean energy in Washington, ...

An explosion at a dam in central Washington state Thursday afternoon injured six employees, NBC News reported. The workers were transported to area hospitals — some by ambulance, others by airlift — ...

To many Native American tribes in the Columbia River watershed, which begins in British Columbia and flows through Montana, Idaho, Washington and Oregon, dams have prioritized shipping and ...

Add Yahoo as a preferred source to see more of our stories on Google. State and federal agencies are investigating a recent mineral oil spill at Priest Rapids Dam as cleanup efforts conclude. Newly ...

Rep. Dan Newhouse, R-Wash., has filed a package of nine bills to reverse parts of a new agreement that he sees as the de facto breaching of the lower Snake River dams and to remind the White House who ...

Washington's emergency management officials say the state's dam system is successfully controlling flood levels while managing pressure on the dams. As heavy rainfall continues to impact the region, ...

EPHRATA, Wash. (AP) – A 65-foot-long crack in a Columbia River dam in central Washington has prompted officials to begin lowering the water level by 20 feet so inspectors can get a better idea of how ...

The Bonneville Dam on the Columbia River east of Portland. Washington and Oregon produce more than one-third of the nation’s hydropower. Amelia Templeton / OPB Hydropower generated for electricity ...

SPOKANE, Wash. -- An eastern Washington man has been arrested on federal charges accusing him of threatening to blow up Grand Coulee Dam. Richard Vialpando, 40, is charged with nine counts of ...

Federal regulators have been dispatched to Washington state to review a 65-foot-long crack discovered in a major dam, utility officials said. At only two inches wide, the crack was found by divers on ...

Hydropower generated for electricity from Oregon and Washington dams fell to historically low levels last year, and experts expect it could drop further by year’s end. Officials at the U.S. Energy ...