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Tech Briefs


Collection of articles related to hydropower technology from March 2014

A Model to Predict Juvenile Salmon Swim Paths


The relation between measured fish swim paths and flow field information can be represented by probability distributions. These distributions, together with a particle tracking algorithm, can be used to predict fish behavior under various flow conditions not only at the site where swim paths were measured but also at other locations.

Partnering to Mitigate TDG through Spillway Modifications


Seattle City Light and Avista Corporation combined their knowledge to study, test and develop a method to modify the spillways at two dams to reduce total dissolved gas (TDG).

Iceland's 95-MW Budarhals hydroelectric plant inaugurated


Iceland's 95-MW Budarhals hydroelectric plant is now in operation following an inauguration ceremony earlier this week.

Replacing a Failed Runner at the Stockton Plant


Work is under way to replace the single turbine at the 45.2-MW Stockton Power Plant on the Sac River in Missouri. The original unit suffered from blade failure in February 2009 that was attributed to rough operation. The new unit will increase capacity of the facility to 53.5 MW and be commissioned in mid-2014.

Hydro Currents


The latest hydroelectric power news and information for March 2014

U.S. seeks firms to replace valve in fish pump system at 810-MW Lower Granite Dam


The U.S. Army Corps of Engineers seeks information on firms able to replace a currently inaccessible 10-inch valve in the fish pump system of 810-MW Lower Granite Dam on the Snake River in Washington.

Pakistan seeks turbine runner, wicket gates for 243-MW Warsak hydro project


Pakistan's Water and Power Development Authority (WAPDA) seeks bids to rehabilitate a turbine runner and wicket gates of the 243-MW Warsak hydroelectric project on Pakistan's Kabul River.

Canadian, UK groups sign MOU for tidal energy technology development


Included in the agreement are the province, the Offshore Energy Research Association of Nova Scotia (OERA) and the U.K.'s Technology Strategy Board.

U.S. seeks firms for bridge crane drive control upgrade at 810-MW Lower Monumental Dam


The U.S. Army Corps of Engineers seeks information on firms able to upgrade bridge crane VFD drive controls at 810-MW Lower Monumental Dam in Washington.

India's BHEL wins contract for 206-MW Shahpurkandi hydroelectric project


India's Bharat Heavy Electricals Limited (BHEL) has been awarded a contract to outfit the 206-MW Shahpurkandi hydropower project being built in the state of Punjab.

FERC sets workshop on reactive supply, frequency regulation and response


The Federal Energy Regulatory Commission has scheduled a workshop to gather information on third-party provision of reactive supply and voltage control, and frequency regulation and response.

U.S. extends bidding for new control structure at Saylorville Dam


The U.S. Army Corps of Engineers has extended the deadline for bids to construct a new diversion dam control structure at Saylorville Dam in Polk County, Iowa.

Consultants sought to advance Congo Republic's 1,000-MW Sounda Gorge hydro project


The World Bank invites expressions of interest from technical, environmental and electricity market consultants to advance development of the 400- to 1,000-MW Sounda Gorge hydroelectric project in the Congo Republic (CR).

Andritz wins contract for 27-MW Bramois hydropower project rehab


Andritz Hydro AG has won a US$12.4 million contract to replace turbine generators at the 27-MW Bramois hydropower project in Switzerland.

Making marine dreams come true


It’s great news that a series of recent developments suggest marine hydro kinetic technologies are rapidly reaching maturity as both commercial investors and governments continue to plough cash into the sector.

Scotland's EMEC developing new tidal energy monitoring system


The European Marine Energy Centre has been awarded a share of the Scottish Government's Marine Renewables Commercialisation Fund (MRCF) which will be used to further the development of an "integrated site characterization and measurement platform".

California utility awards contract for small hydropower plant equipment


Manufacturer ORENCO Hydropower has been selected to supply a 320 kW water-to-wire equipment package for the Lincoln Metering and Hydroelectric Station.

U.S. seeks testing of station service, control system batteries at 132.3-MW Gavins Point Dam


The U.S. Army Corps of Engineers seeks bids to perform load testing of station service and power plant control system batteries at 132.3-MW Gavins Point Dam on the Missouri River.

Officials sign agreement for Canary Islands wave power development


Officials from Langlee Wave Power and the Tenerife Island Council have signed an agreement to promote wave energy development off the coast of the Spanish island.

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