Hydroelectric Plants in the USA - Arizona & New Mexico
Abiquiu
Location: NM
Operator: Los Alamos Dept of Public Utilities
Configuration: 2 X 6.75 MW, 1 X 3 MW Francis
Operation: 1990-2011
T/G supplier: Harbin, Andritz, Indar
EPC: Tudor, AECOM
Quick facts: Abiquiu Dam was built in 1963 and impounds a 5,200ac reservoir in northern New Mexico. The earthfill dam is 1,800ft long and 104m tall. It was raised in 1986 and the hydroelectric facilities completed 4yrs later. In 2006, the FERC license was amended to allow the addition of a 3-MW low-flow unit. Construction began in Nov 2009 and the new unit was was commissioned in Apr 2011.

Photograph courtesy of AECOM
Posted 7 Aug 2010

Arizona Falls Rebuild
Location: AZ
Operator: Salt River Project
Configuration: 1 X 750 kW
Operation: 2003
T/G supplier: Bouvier, Leroy Somer
Quick facts: Arizona Falls was the site of the first hydroelectric plant in Phoenix, completed in 1902. The plant was rebuilt by SRP from 1911-1913 and operated until 1950. The new plant includes the Phoenix Art Commission's "WaterWorks at Arizona Falls" project, designed by Boston artists Lajos Heder and Mags Harries.

Photograph courtesy of Salt River Project
Posted 25 Mar 2005

Childs
Location: AZ
Operator: Arizona Public Service
Configuration: 3 X 1.8 MW
Operation: 1918 (ret 2005)
T/G supplier: ??
Quick facts: In 1976, the Childs-Irving hydro complex was named the 11th ASME National Historic Mechanical Engineering Landmark. The project was cited for innovations in design and construction including steel transmission towers, forged penstocks, and the use of mule teams to move components to the remote sites on Fossil Creek in the Mogollon Rim country. The projects were initiated to support regional mining activities. In 1991, APS filed FERC relicensing applications for the Childs-Irving complex, but, after lengthy discussions with other stakeholders, APS announced in 1999 that it had decided to decommission the Childs-Irving plant and restore full flow at Fossil Creek. In Jul 2010, APS completed the 5yr, $11mn decommissioning project.

Photograph courtesy of Arizona Public Service Co
Posted 7 Aug 2010

Crosscut Hydro
Location: AZ
Operator: Salt River Project
Configuration: 1 X 3 MW Francis
Operation: 1915-1939
T/G supplier: James Leffel, Electric Machinery
EPC: US Reclamation Service, Martin and Gillis
Quick facts: Crosscut HPP in Tempe was built from 1912 to 1914 on the new Crosscut Canal between the Grand and Arizona canals. It was the largest hydro plant on the SRP system unitl the late 1930s. Original constructiuon cost $424,000 and six, 700-kW Pelton watrwheels with Westinghouse generators were installed operating at 25hZ. Units 3-6 of the original installation units were decommmissioned and a new 60hZ, 3-MW T/G set was installed in 1939. Diesel gensets were added at the site from 1937 forward, all now retired, and a steam plant operated at Crosscut from 1941-1974. The original hydro Units 1-3 operted through the mid-1950s and were then removed. The "new" unit was refurbished in 1976 and finally went offline in 2013 after a transformer failure. Subsequent diminished canal flows have made it uneconomic to repair.

Photograph courtesy of Salt River Project
Posted 1 Jun 2016

Elephant Butte
Location: NM
Operator: US Bureau of Reclamation
Configuration: 3 X 9 MW Francis
Operation: 1940
T/G supplier: AC
Quick facts: This is the second largest hydroelectric plant in New Mexico. Congress authorized the construction of Elephant Butte Dam in Feb 1905 and in May 1907, $1mn of nonreimbursable funds were appropriated as the State Department's share for allocation of 60,000 ac-ft of water annually to Mexico by treaty. Additional project works include Caballo Dam and the Elephant Butte power plant.

Photograph courtesy of USBR
Posted 28 Dec 2004

Davis Dam
Location: AZ
Operator: US Bureau of Reclamation
Configuration: 5 X 51 MW Francis
Operation: 1950-1951
T/G supplier: BLD, GE
Quick facts: Davis Dam is in Pyramid Canyon and was authorized in April 1941, but construction was halted after the War Production Board revoked priority ratings needed to obtain the necessary materials for construction. Work resumed in 1946, and project was completed in 1953. The site was named in honor of Arthur Powell Davis, Director of Reclamation from 1914 to 1932.

Photograph courtesy of USBR
Posted 28 Dec 2004

Glen Canyon
Location: AZ
Operator: US Bureau of Reclamation
Configuration: 8 X 162 MW Francis
Operation: 1964-1966
T/G supplier: BLD, GE
EPC: Merritt-Chapman, Scott Corp
Quick facts: At 710ft, Glen Canyon Dam is the second highest concrete-arch dam in the USA. The total cost was about $314mn. Construction was authorized in 1956 and first concrete was in 1960.

Photograph by Kenneth Zimmerman
Posted 31 Jan 2006

Irving
Location: AZ
Operator: Arizona Public Service
Configuration: 1 X 1.6 MW
Operation: 1916 (ret 2005)
T/G supplier: ??
Quick facts: The Irving Development includes a diversion dam in Fossil Creek, a 3½mn conduit, a surge tank,  a penstock, a powerhouse with a 2,100hp turbine, a tailrace discharging into the forebay of the Childs Flume, a step-up substation and a 6.6mi, 69kV transmission line.

Photograph courtesy of Arizona Public Service Co
Posted 7 Aug 2010

Roosevelt Dam
Location: AZ
Operator: Salt River Project
Configuration: 1 X 36 MW Francis
Operation: 1973
T/G supplier: Neyrpic, WH
Quick facts: Theodore Roosevelt Dam was the first major structure constructed by BuRec on the Salt River. The site is 30mi nortwest of Globe AZ. The dam is 357ft tall with a crest length of 1,210ft. The dam was the largest cyclopean, rubble-masonry, thick-arch dam in the world when completed in 191. From 1989 to 1996, the dam was rebuilt with much of the the original structure encased by concrete thereby creating a concrete-gravity. This $430mn project ws undertaken by J A Jones Construction Co. SRP operates the hydro plant.

Photograph courtesy of USBR
Posted 17 Nov 2013

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 01-Jun-2016

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