Tier 1 Overview
Pumpernickel
Reese River
Alum
Silver Peak
Wilson
  Tier 2 Overview
  Photo Gallery
In the early 1980’s Amax Exploration conducted 3,000 meters of temperature gradient drilling which identified the location for the first deep production well. This prospect is located near the Nevada-California border in Esmeralda County, Nevada, approximately midway between Reno and Las Vegas. A 55 kV power line runs through the 29 square km lease.

Geothermometry suggests a minimum reservoir temperature of 155°C with indications up to 225°C. Using a Monte Carlo simulation the potential geothermal reserves at Alum are estimated to have a 90% probability of generating 41 MW, and a 50% probability of exceeding 90 MW (Source: New Geothermal Site Identification and Qualification, PIER study prepared by GeothermEx, 2004). A 41 MW power plant supplies enough electricity for 33,000 homes.