Susan Petty

President and Chief Technology Officer, AltaRock Energy, Inc.


Susan Petty is the Chief Technology Officer, President, and co-founder of AltaRock Energy, Inc. With more than 30 years of experience in the geothermal industry, her work has included all aspects of testing, evaluation, analysis, modeling, and optimization for geothermal wells, wellfields, and power plants. Petty has also negotiated geothermal lease agreements, power sales agreements, geothermal project financing agreements, and geothermal property sales and purchases, and she has completed policy studies for state and federal agencies. She has driven geothermal electrical generation projects in locations around the world, including California, Nevada, Indonesia, the Philippines, and Central America.

In addition to her extensive experience in the private sector, Petty has worked with the U.S. Department of Energy in performing policy studies on the economic modeling of geothermal pricing and the impact of technology improvement on the cost of geothermal power. She has been instrumental in developing information, planning, and designing software for use in developing public policy in geothermal energy.

Petty holds a BA in Geology from Princeton University and an MS in Groundwater Hydrology from the University of Hawaii.