Nevada Geothermal Power Inc.
Nevada Geothermal Power Inc.
A Natural Source of Clean PowerCrump Geyser
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Blue Mountain, Nevada Crump Geyser, Oregon New Truckhaven, California Pumpernickel, Nevada
East and South Brawley, California
North Valley, Nevada Edna Mountain, Nevada

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Click to view Fact Sheet (PDF)
The Crump Geyser area is located in Warner Valley, Lake County, near the hamlet of Adel, which is 53 km east of Lakeview, Oregon, on Highway 140, and 287 km northwest from Winnemucca, Nevada. A power line connection to the regional power grid and a transformer substation are located approximately 0.35 km (0.2 m) to the west on Highway 140 at Adel.

In the past few years, NGP has conducted field studies and surveys in order to plan for drilling and has estimated that the reservoir could produce 40 - 80 MW*.

The Crump Geyser area is located within the moderate to high thermal activity zone, which extends from Washington State and covers much of central and eastern Oregon. The Renewable Northwest Project considers the Basin and Range country of southeastern Oregon one of the most promising geothermal areas in the Pacific Northwest (www.rnp.org).

In November 2010, NGP entered into a joint venture agreement with Ormat Nevada Inc. to place a 30 MW plant in service at Crump Geyser by 2013.

To view the News Release outlining this agreement please click here.

Crump Geyser geothermal project highlights are:
  • The Crump Geyser area is located within a moderate to high thermal activity zone
  • The Renewable Northwest Project considers the area one of the most promising geothermal areas in the Pacific Northwest
  • The water temperature of the original "Crump Geyser" reached a maximum 251°F (122°C) below 32 ft (10 m) depth
  • November 2005: Thermochem confirmed temperatures upwards of 302°F (150°C) from geothermal spring samples of the region.
  • Crump Geyser received a US$1.76 M DOE grant for innovative exploration and drilling
  • NGP entered into a joint venture with Ormat in November 2010 to develop a 30MW plant by 2013
Exploration history

The Crump Geyser was formed as a result of a well drilled by Nevada Thermal Power Company (Peterson, 1959). In the 1950's, the Company conducted a systematic drilling program in this part of Oregon, Nevada, and California, in a search for a source of natural superheated steam. Nevada Thermal Power Company (NTPC) was a division of Magma Power Company of California.

Two days after the completion of the hole, the well erupted sending a column of steam and hot water 45 m in the air. It was, at this time, the site of the largest continuously erupting geyser in the United States. The geyser was vandalized in the early 1960's. Several boulders were thrown in the casing, after which the behavior of the geyser changed. It continued erupting, but only to a height of approximately 18 m, and with periods of inactivity of about 2 minutes. The geyser has been active for several years.

* Ranges shown are based on 90% probability and 50% probability and have been adjusted to reflect a 20-year output

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