AltaRock Energy

What AltaRock Energy does

AltaRock Energy, Inc. is a Seattle-based private company founded in 2007 that develops Enhanced Geothermal Systems (EGS) targeting Superhot Rock (SHR) resources — supercritical water conditions exceeding 375°C and 220 atm at 7-20 km depth, which yield 5-10x more energy per well than conventional geothermal. The company initially pursued moderate-temperature EGS (200-250°C) at Newberry, Oregon but pivoted in 2014 to SHR after determining moderate EGS could not compete on price with solar, wind, or natural gas. Its technology stack includes reservoir engineering and stimulation for impermeable deep rock, high-temperature well completion materials (high-temperature and self-healing cements, downhole electronics, couplings, liners, wellheads), and a partnership with Quaise Energy on millimeter wave (mmWave) drilling to access >7 km depths. Supporting the core are thermoelectric generator (TEG) work with Stanford and the California Energy Commission for 5-30 MW small-scale applications, and a Perfect Well machine-learning collaboration with Oregon State University.

AltaRock operates a B2B enterprise model targeting electric utilities, data center operators, and government/tribal entities as future power purchase agreement (PPA) counterparties. Its flagship is the Newberry SHR Geothermal Energy (NEWGEN) Project at Newberry Volcano, Oregon, projected at up to 10 GWe capacity. Revenue today is effectively none; commercial revenue depends on successful demonstration targeted for 2025 and subsequent long-term PPAs. The company is supported by a broad ecosystem of national laboratories (Brookhaven, Pacific Northwest, Oak Ridge, Sandia-type entities), academic partners (Stanford, Oregon State), and industry players (Baker Hughes, Blade Energy Partners, Quaise Energy, Ozark Integrated Circuits). Cumulative disclosed venture funding is approximately $36.5M across rounds in 2007-2008 from Google.org, Khosla Ventures, Kleiner Perkins, Vulcan Capital, and Advanced Technology Ventures, with ongoing R&D funded through DOE, ARPA-E, California Energy Commission grants and lab partnerships.

Strategically, AltaRock is positioned to commercialize SHR as a dispatchable, baseload renewable that can repurpose existing fossil fuel infrastructure, targeting a projected <$0.05/kWh LCOE versus >$0.10/kWh for conventional EGS and $0.065-$0.075/kWh for conventional geothermal. Headcount is in the 11-50 range and the company is privately held under founder Susan Petty (Founder/President) and Geoffrey Garrison (President/VP R&D), with no disclosed parent company or external institutional equity beyond the 2007-2008 rounds.

Name

AltaRock Energy

Legal name

AltaRock Energy, Inc.

Website

https://altarockenergy.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

AltaRock Energy develops Enhanced Geothermal Systems targeting Superhot Rock resources (supercritical water >375°C at 7-20 km depth) to produce 5-10x more energy per well than conventional geothermal, with a planned 10 GWe demonstration at Newberry, Oregon serving future utilities, data centers, and government/tribal entities via long-term PPAs.

Ownership category

akta.pro rank

Product category

Geothermal Power Generation

NAICS

Geothermal Electric Power Generation (221116), Turbine and Turbine Generator Set Units Manufacturing (333611)

SIC

Oil & Gas Field Exploration Services (1382), Oil & Gas Field Machinery & Equipment (3533), Motors & Generators (3621)

akta.pro primary industry

Enhanced Geothermal Systems (EGS) & Advanced Geothermal (Closed-Loop, Superhot Rock) (EUAMAEAJ)

akta.pro secondary industries

Superhot Rock / Supercritical Geothermal Power Generation (EUACAHAG), Enhanced/Advanced Geothermal R&D (EGS, Closed-Loop, Superhot Rock, Drilling Tech) (EUAMAOAC), Geothermal Drilling & Well Construction (Production/Injection, Directional, Well Services) (EUAMAEAB), Geothermal Equipment & Component Manufacturing (Turbines, Heat Exchangers, Pumps, ORC Units) (EUAMAEAI), Geothermal Reservoir Engineering & Wellfield Management (Modeling, Stimulation, Reinjection Strategy) (EUAMAEAC)

Keywords

• Enhanced geothermal systems
• Superhot rock geothermal
• Geothermal power generation
• Deep drilling technology
• Renewable energy development

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Technology or R&D, Infrastructure, Personnel, Marketing or Sales

Revenue model

1. Power Generation and Sale: AltaRock Energy generates electricity from Superhot Rock geothermal resources and sells power through long-term power purchase agreements (PPAs) to utilities, data centers, and industrial customers. The company is developing the world's first SHR power plant at Newberry, Oregon, with capacity projections of up to 10 GWe.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

AltaRock Energy develops Enhanced Geothermal Systems (EGS) using proprietary Superhot Rock (SHR) technology that taps supercritical water (>375°C, >220 atm) at depths of 7-20 km to produce 5-10 times more energy per well than conventional geothermal. The company develops, owns, and operates large-scale geothermal power generation projects — led by the flagship NEWGEN Project at Newberry Volcano, Oregon targeting up to 10 GWe of capacity — and sells the generated electricity through long-term Power Purchase Agreements (PPAs) to electric utilities, data center operators, and industrial customers.

Product overview

AltaRock Energy offers Superhot Rock (SHR) Geothermal Systems as its core technology product—engineered geothermal systems targeting supercritical conditions (>375°C) that yield 5-10x more energy than conventional geothermal wells. This core system is supported by complementary technology modules including mmWave deep drilling technology (for 7-20 km access), high-temperature well completion materials (cements, electronics, wellheads), SHR reservoir development services (stimulation, numerical modeling), and thermoelectric generators for small-scale applications. The company's flagship demonstration is the NEWGEN Project at Newberry Volcano, Oregon, targeting 10 GWe capacity. All offerings are oriented toward scaling SHR geothermal globally, with the company also providing research services like Perfect Well Analysis using machine learning.

Differentiator

Problem solved

Functional benefit

Products and services

• Superhot Rock (SHR) Geothermal Systems Engineered geothermal systems that exploit supercritical water (>375°C, >220 atm) deep in the earth's crust to produce 5-10 times more energy than conventional geothermal wells, enabling geothermal energy development accessible globally. The offering is sold to electric utilities, data center operators, and large industrial energy consumers via long-term Power Purchase Agreements.
• Newberry SHR Geothermal Energy (NEWGEN) Project Flagship demonstration project at Newberry Volcano, Oregon using SHR extraction technology, with potential to generate up to 10 gigawatts of electricity (GWe) — enough to power 3 million homes. Power is intended to be sold to utilities, data centers, and industrial customers through long-term PPAs.
• Thermoelectric Generator (TEG) Geothermal Field System Solid-state thermoelectric generator system that converts heat from geothermal fluids directly to electricity, designed to enable affordable small-scale development of geothermal energy between 5 and 30 MW. Targeted at distributed generation customers and remote/industrial users.

Quantifiable outcome

• Up to 10 GWe capacity potential from Newberry site alone
• +4 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

14 partnerships are on record, tiered core and supporting.

• Quaise EnergycoreTechnology or IntegrationPartnership to develop millimeter wave (mmWave) drilling technology that uses radiation to vaporize rock and access superhot rock at depths >7 km. This technology is critical to enabling geothermal anywhere globally. AltaRock funding helped get Quaise Energy started.
• Brookhaven National LaboratorycoreTechnology or IntegrationCollaboration on development and testing of high-temperature materials including high-temperature and self-healing cements for SHR environments.
• Pacific Northwest National Laboratory (PNNL)coreTechnology or IntegrationPartnership on high-temperature materials development for SHR environments, including testing and commercialization of advanced materials and devices.
• Ozark Integrated CircuitscoreTechnology or IntegrationCollaboration on development of high-temperature electronics for downhole monitoring and imaging devices capable of operating in SHR conditions.
• Blade Energy PartnerssupportingTechnology or IntegrationPartnership on development and testing of materials and devices for SHR environments, focusing on well completion and reservoir development technologies.
• Baker HughescoreTechnology or IntegrationBaker Hughes conducted reservoir modeling for AltaRock's Superhot Rock projects. Baker Hughes is also adapting drilling and subsurface technologies from oil and gas for geothermal applications.
• Oak Ridge National LaboratorycoreTechnology or IntegrationPartnership for initial large-scale testing of mmWave drilling technology in 2021, working with AltaRock and Quaise Energy.
• Stanford UniversitycoreStrategic or Co-development PartnerCollaboration on thermoelectric generator (TEG) technology testing at Bottle Rock Power facility to prove TEG viability for small-scale 5-30 MW geothermal development. Also partnered on Perfect Well research using machine learning analysis.
• California Energy CommissionsupportingTechnology or IntegrationFunding and partnership for thermoelectric generator testing project at Bottle Rock Power facility near Cobb, CA.
• Oregon State UniversitysupportingStrategic or Co-development PartnerPartnership on Perfect Well research project using machine learning enhanced analysis to identify drilling opportunities and reduce wellfield drilling costs.
• DEEPEN ConsortiumcoreStrategic or Co-development PartnerConsortium of industrial, academic, and national laboratory partners from Iceland, US, Norway, Germany and Switzerland benchmarking and improving exploration techniques for supercritical/superhot geothermal resources. Newberry Volcano selected as one of three global evaluation sites.
• U.S. Geological Survey (USGS)supportingTechnology or IntegrationCollaboration on Umatilla Indian Reservation Geothermal Resource Study to evaluate geophysics, aquatic geochemistry, and field geology on tribal lands.
• HotRock Energy Research Organization (HERO)supportingTechnology or IntegrationPartnership on Umatilla Indian Reservation Geothermal Resource Study to assess geothermal energy resource potential and identify best sites for development.
• Confederated Tribes of the Umatilla Indian ReservationsupportingStrategic or Co-development PartnerCollaboration to evaluate geothermal resources on tribal lands to help the confederation reach its goal of energy independence.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Fervo Energy: Fervo is the leading next-generation EGS developer, using horizontal drilling and advanced stimulation to produce commercial geothermal power. It directly competes with AltaRock for utility-scale EGS PPAs but pursues a less capital-intensive technical path at conventional depths.
• Eavor Technologies: Eavor commercializes closed-loop geothermal ('Eavor-Loop') systems that circulate a working fluid through deep drilled wells without reservoir stimulation. It competes with AltaRock in the advanced geothermal category targeting dispatchable clean power, with a lower seismicity-risk profile.
• Quaise Energy: Quaise is AltaRock's core drilling partner developing millimeter-wave technology to vaporize rock and access superhot resources at >7 km depth. It is a co-developer on the SHR pathway and a direct strategic peer in deep-drilling-enabled geothermal.

Broad incumbents

• Ormat Technologies: Ormat is the largest pure-play geothermal power equipment manufacturer and operator globally, with conventional binary and flash geothermal plants. It is a broad incumbent whose equipment and project development capabilities could compete with or supply into AltaRock's future SHR deployments.
• Cyrq Energy: Cyrq is a US-based geothermal independent power producer operating conventional flash and binary plants. It is a broad incumbent in the same generation category and a potential customer, partner, or acquirer of SHR technology.
• Baker Hughes: Baker Hughes is a core technology partner of AltaRock (reservoir modeling, drilling tech adaptation from oil & gas) and a broad incumbent in geothermal services and equipment with substantial R&D resources targeting next-generation geothermal.

Emerging players

• GA Drilling: GA Drilling is developing plasma-based deep drilling technology targeting superhot geothermal resources — a technical parallel to AltaRock's Quaise partnership. It is an emerging player intersecting with AltaRock's deep-drilling pathway.
• Iceland Deep Drilling Project (IDDP): IDDP is a research consortium that has drilled deep supercritical wells in Iceland and confirmed supercritical conditions. It is an emerging player providing direct empirical data that de-risks (or validates) AltaRock's SHR reservoir assumptions.
• Sage Geosystems: Sage Geosystems develops closed-loop geothermal and repurposes oil & gas wells for baseload power generation. It is an emerging player targeting similar utility and data center customers with adjacent advanced geothermal approaches.

Regional players

• KenGen: KenGen is the leading Kenyan geothermal power producer with extensive experience in East African Rift geothermal development. It is a regional player in the same generation category and a potential technology partner or licensor for SHR deployment in Africa.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/NewberryEGS
• Facebookfacebook.com/AltaRockEnergy
• LinkedInlinkedin.com/company/altarock-energy

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds3 records

Investors5 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about AltaRock Energy