Renewable energy is the big energy industry winner in the stimulus bill signed into law on Feb. 17. By ENR’s estimate, the new law provides $30.6 billion in energy-related spending and tax incentives. But a provision for $50 billion in federal loan guarantees to build new nuclear power plants was dropped from the bill that emerged from the conference reconciling the House and Senate versions. Ties That Bind. Bill aims to stimulate smart-grid development but doesn’t focus on projects. While welcome, cash, tax credits and loan guarantees may not be what’s most needed. “The renewable-energy industry is doing fairly well,
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.