Dam Design and Construction

The U.S. Department of Interior’s Bureau of Reclamation is seeking public input on the Shasta Lake Water Resources Investigation Draft Supplemental Environmental Impact Statement. Reclamation proposes raising the 600-foot-tall Shasta Dam by 18.5 feet, which would increase water storage capacity in Shasta Lake by 634,000 acre-feet or more than 200 billion gallons. “We are pleased...
Small Hydro

The first of two units of the 7.2-MW Song Nhiem 4 hydro project in Vietnam has been connected to the grid, according to Dongfang Electric Corporation. The small hydro plant is located in Niem Tong Commune, Meo Vac District, Ha Giang Province. It is being developed by the Song Da Joint Stock Company 4. The...
Dam Safety

On July 13, while performing weekly inspections, the U.S. Army Corps of Engineers Portland District (Corps) discovered a turbine thrust bearing at its 1,050-MW Bonneville Dam project had leaked 100 gallons of oil into the Columbia River. The Corps has stopped the leak and is in the process of repairing the equipment. Corps officials notified...
New Development

Water authority Conagua says it will prioritize six dam projects in 2020 as part of a plan to “transform the Mexican water sector.” This includes construction of two new dams with combined investment of about MXN12 billion (US$530 million), complementary works for three existing or almost finished dams, and the possibility of reviving an older...
New Development

A consortium comprising local and international companies has presented the only offer to build the US$1 billion Portezuelo del Viento hydro project in Argentina’s Mendoza province. According to BNamericas, the consortium includes two Chinese investors: the China Gezhouba Group and state-owned hydropower construction company Sinohydro. They are partnered with two Mendoza-based construction companies, Ceosa and...
Africa

Ongoing negotiations between Sudan, Egypt and Ethiopia aimed at reaching an agreement on filling and operation of the Grand Ethiopian Renaissance Dam are failing. On Sunday, June 21, Sudan warned against escalation and urged further negotiations over Addis Ababa’s controversial dam on the Nile, as Ethiopia has declared plans to start filling the dam next...
New Development

The Pakistan Water and Power Development Authority (WAPDA) has signed a PKR442 billion (US$2.76 billion) agreement with the Power China-FWO joint venture for construction of the Diamer Basha Dam Project diversion system, main dam, access bridge and 21-MW Tangir Hydropower Project. This signing is part of the company’s efforts to move forward with work on...