A self-described “geothermal wildcatter” from Oregon intends to use a waste byproduct of oil and gas production to generate electricity along the Texas coast. Geo Texas Co., a Eugene, Ore.-based startup company led by geothermal pioneer Steve Munson, will pay Texas $386,000 a year for leases up to 30 years on 128,758 acres of state land off the coasts of Brazoria and Matagorda counties, near Galveston, to produce geothermal energy. The company will pay more if it produces energy. Munson plans to build a 20-MW, $50-million demonstration plant on land within two to three years. Research has uncovered an estimated
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.