The hydropower sector retained access to federal tax credits in the GOP tax bill passed this summer. But the industry is confronting a once-in-a-generation problem too.

Regions that depend on it are having to look to other sources of energy — which can cost more.

“Forecast-informed reservoir operations” may help planners deal more effectively with flood or drought conditions.

Facing a prolonged megadrought, Western states must prep for huge water-use cuts.