Steamboat Field Trip - October 2017 - Reno

26 Oct 2017 2:15 PM | Anonymous

Steamboat 2017.jpg


On October 20th, 2016, the Nevada Chapter of AEE hosted a tour of Ormat’s Steamboat Geothermal Power Plant, which was attended by 18 members and guests.  The plant is one of many owned and operated by Ormat, which has plants in several other states, as well as in Central America, Indonesia, and Africa.

The plant, which began operation in the mid-eighties, generates a total of 72 MW of electricity using 300°F water from the geothermal source that is prevalent in the southern part of Reno.  The average depth of the wells supplying the plant is 5,000 feet, and range in diameter from four inches to about 13 inches.  The heat from the water is exchanged with the working fluid that is used to spin the turbine, which is pentane, used because of its low boiling point of 97°F.  The water is re-injected to the geothermal reservoir at about 165°F.

The plant has six different systems, the latest two of which were developed in 2007, totaling 30 MW.  The electricity generated by the complex is sold to NV Energy under separate long-term power purchase agreements.  The plant normally operates as base load for Reno, but has the flexibility to be operated as a peaking plant if conditions warrant.

           See you on the next field trip!!!


Text by Dave Wyllie

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