Alta Rock Energy

AltaRock Energy, Inc., a leading renewable energy development company, focuses on the research and development of Engineered Geothermal Systems (EGS) and applications of EGS technology to improve existing geothermal power sites. Founded in 2007 by President and Chief Technology Officer, Susan Petty, AltaRock Energy holds a portfolio of patents for various EGS technologies and exclusive licenses for related intellectual property. AltaRock operates in two primary project arenas: EGS technologies research and development; and stimulation services, focused on improving existing geothermal well-fields. AltaRock’s current activities include the Newberry EGS Demonstration project in central Oregon, as well as several other proprietary field and R&D projects. The company makes regular contributions to the scientific community through publications, conferences and events in the US and abroad.
Company Growth (employees)
Seattle, US
Size (employees)
18 (est)
Alta Rock Energy was founded in 2007 and is headquartered in Seattle, US

Alta Rock Energy Office Locations

Alta Rock Energy has an office in Seattle
Seattle, US (HQ)
400 4010 Stone Way N

Alta Rock Energy Metrics

Summary Metrics

Founding Date


Total Funding

$26.3 m

Latest funding size

$26.3 m

Time since last funding

over 8 years


Alta Rock Energy's latest funding round in August 2008 was reported to be $26.3 m. In total, Alta Rock Energy has raised $26.3 m

Alta Rock Energy Online Presence

Alta Rock Energy Company Life

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