The Cool Down on MSN1d
World's largest 'water battery' is now fully operational as it reaches a historic milestone: 'It's inspiring'
The station took more than 11 years and $2.6 billion to build. World's largest 'water battery' is now fully operational as it ...
Portland Water Bureau targets zero-emissions plan with newest project
The Portland Water Bureau is looking micro hydropower for its electricity at the Washington Park Reservoir in Southwest Portland.