Turbine runners (blue), speed increasers, and generators.

Siphon Drop Power Plant, 25th Anniversary

On November 21, 2013, the Association celebrated 25 years of service by Siphon Drop Power Plant. The facility, brought online in 1988, was the result of a partnership between the Association and Bard Water District. Power generated by the facility is certified as a renewable resource by the California Energy Commission. This energy is marketed to California entities to help utilities meet their renewable portfolio standards (RPS) requirements. These requirements were set in place by the California Energy Commission, and set benchmarks at which a certain percentage of a utility’s generation be from renewable resources.

Since its construction, the plant has seen a major upgrade of its governor system, and a total rebuild on one of the two turbine/generator assemblies (in 2010). The plant has a design life of 50 years, but it’s anticipated that it will exceed this with proper maintenance, upgrades, and overhaul activities.

Siphon Drop is located at the diversion into the Yuma Main Canal from the All American Canal. Each of the two turbine/generator assemblies are capable of producing 2.2 megawatts, for a total plant capacity of 4.4 megawatts. The overall flow capacity is 2,000 cfs (cubic feet per second).

On to the photos!

 

Guests were treated to a hot dog bar style luncheon.

Guests were treated to a hot dog bar style luncheon.

 

In attendance were employees of the Association, Bard Water District, Wellton Mohawk Irrigation and Drainage District, Yuma Mesa Irrigation and Drainage District, Yuma Irrigation District, U.S. Bureau of Reclamation, Western Area Power Administration, Arizona Public Service, and many more.

In attendance were employees of the Association, Bard Water District, Wellton Mohawk Irrigation and Drainage District, Yuma Mesa Irrigation and Drainage District, Yuma Irrigation District, U.S. Bureau of Reclamation, Western Area Power Administration, Arizona Public Service, and many more.

 

YCWUA Manager Tom Davis opened the event with remarks of the huge benefit to the Association that the plant provides.

YCWUA Manager Tom Davis opened the event with remarks of the huge benefit to the Association that the plant provides.

 

YCWUA Board of Governors President Jim Cuming spoke to the unique nature of how the plant came to be, and the creative financing that allowed the project to begin.

YCWUA Board of Governors President Jim Cuming spoke to the unique nature of how the plant came to be, and the creative financing that allowed the project to begin.

 

Don Bryce, an electrical engineer for the U.S. Bureau of Reclamation (Boulder/Regional power office) spoke to the group about the power history within the Association.

Don Bryce, an electrical engineer for the U.S. Bureau of Reclamation (Boulder/Regional power office) spoke to the group about the power history within the Association.

 

Bard Water District Manager Ron Derma spoke to the guests about the unique partnership that is shared between Bard Water District and the Association.

Bard Water District Manager Ron Derma spoke to the guests about the unique partnership that is shared between Bard Water District and the Association.

 

YCWUA Power Manager Charles Cowan explained the recent history of the plants rehabilitation, steps going forward into the next 25 years, and the plant becoming listed as a California Energy Commission certified renewable resource (as well as how that green energy is marketed).

YCWUA Power Manager Charles Cowan explained the recent history of the plants rehabilitation, steps going forward into the next 25 years, and the plant becoming listed as a California Energy Commission certified renewable resource (as well as how that green energy is marketed).

 

Capping everything off with cake never hurt anybody.

Capping everything off with cake never hurt anybody.

 

Guests were allowed to take a self-guided tour of the power plant. Of the many stations on the tour, this is the operators workstation and SCADA display.

Guests were allowed to take a self-guided tour of the power plant. Of the many stations on the tour, this is the operators workstation and SCADA display.

 

Guests were also treated to a slideshow of the construction of the plant, and a viewing window allows the generation room to be viewed from within the control room.

Guests were also treated to a slideshow of the construction of the plant, and a viewing window allows the generation room to be viewed from within the control room.

 

Turbine governor controls, protective relaying, and unit circuit breakers are some of the many items that are housed within the switch gear throughout the plants control room.

Turbine governor controls, protective relaying, and unit circuit breakers are some of the many items that are housed within the switch gear throughout the plants control room.

 

These instruments give a real-time peek into the operating conditions of each of the two generators.

These instruments give a real-time peek into the operating conditions of each of the two generators.

 

Hydraulic power units provide the necessary power to move the turbine blades and wicket gates to make the most power from the available water.

Hydraulic power units provide the necessary power to move the turbine blades and wicket gates to make the most power from the available water.

 

Turbine runners (blue), speed increasers, and generators.

Turbine runners (blue), speed increasers, and generators.

 

All of the appurtenant equipment to the actual turbines are housed neatly on an upper deck to the turbines themselves.

All of the appurtenant equipment to the actual turbines are housed neatly on an upper deck to the turbines themselves.

 

The day was memorialized with the setting of a new plaque.

The day was memorialized with the setting of a new plaque.

 

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