Pioneering hydrogen intelligence, from sensor to system.
For decades, H2scan has pioneered hydrogen sensor innovation — trusted by industry giants such as ABB, ExxonMobil and NASA. Our proprietary solid-state technology originated at Sandia National Laboratories with the U.S. Department of Energy, and today it safeguards more than $3.2 billion of transformer assets worldwide. Small, accurate and low-cost, our Gen 5 sensing helps operators monitor and protect their most critical assets.
+ billion
sensor hours
in the field
+ countries
across six
continents
+ billion dollars
of transformer
assets monitored
+ patents
in hydrogen-specific
sensing
We stand to bring visibility and intelligence to critical physical assets
Innovators and technologists
Proprietary, patented hydrogen sensing from Sandia origins, advanced by continual R&D.
Always field-proven
20,000+ transformer and 6,500+ process and safety sensors deployed in mission-critical roles.
Trusted accuracy
Hydrogen-specific measurement with no cross-sensitivity — precise readings you can act on.
Safety and sustainability first
Technology that supports decarbonization and the safe adoption of hydrogen.
Built to endure
Operating life that surpasses other commercially available systems, with no consumables.
Integrity throughout
Ethical business practices and responsible sourcing across our supply chain.
Leadership
H2scan’s senior management and board bring decades of experience across utilities, clean energy, engineering and semiconductor technology — supported by advanced technical talent and access to resources such as Sandia National Laboratories.
David Ellis
President & CEO
David Ellis is an experienced energy and technology executive with more than 30 years in utilities, clean energy and private equity.
Rachna Singh
CFO
Rachna Singh joined H2scan in 2025 as a senior financial executive, bringing over two decades of experience in strategic finance.
Michael Nofal
VP of Sales & Business Development
Michael has over 35 years of senior executive experience in many different process and safety industries.
John DiLeo
VP of Engineering
With over 20 years of experience, John is an accomplished engineering professional with success in developing and leading multi-disciplined engineering project teams.
Abdallah Zakaria, PhD
R&D Director
Abdallah Zakaria is a semiconductor engineering leader with more than 20 years of experience in advanced manufacturing,
Rani Mouchamel
Director of Production
Rani is an experienced production leader with a passion for driving innovation and excellence in production.
Decades of making hydrogen visible
From national-laboratory science to the world's most trusted hydrogen sensing platform
H2scan’s solid-state hydrogen sensing originates at Sandia National Laboratories with the U.S. Department of Energy.
H2scan is founded in Valencia, California to commercialize the technology.
First HY-OPTIMA™ analyzers and HY-ALERTA™ monitors ship
Adoption by NASA, ExxonMobil, ABB and global utilities
GRIDSCAN transformer sensors deployed worldwide — with no after-sale calibrations required since 2012.
The self-calibrating Gen 5 platform brings fleet-scale continuous DGA and area monitoring to market.
26,000+ sensors protecting assets in 110 countries
Trusted where failure is not an option.
Latest Intelligence from H2scan
Evidence-led thinking for operators managing transformer, battery, process and hydrogen infrastructure risk
Latest news
View all news →20 AUG 2026
Hottest July Ever Stresses Aging Transformer Fleets
Extreme temperatures stress electrical grid and accelerate transformer issues, but monitoring can help detect issues before failure occurs
Read more25 NOV 2025
H2scan Corporation today announced that the Company's Board of Directors has appointed David Ellis, a notable energy and technology executive with more than 30 years of global leadership experience as the Chairman of the Board.
Read more20 NOV 2025
HY-GUARD® Hydrogen Safety for Battery Rooms
H2scan’s HY-GUARD™ delivers accurate, maintenance-free hydrogen monitoring for safer, code-compliant battery rooms and backup power systems.
Read more25 MAR 2025
The Heathrow power failure on March 21, 2015 highlights the need for online monitoring to detect internal transformer issues before they fail.
Read more25 MAR 2025
H2scan Advances Transformer Monitoring with Expanded GRIDSCAN® Sensor Portfolio
New Gridscan 5010, 5015 and 5000 Hydrogen Sensors provide additional capabilities for utilities and industrial customers for transformer fleet monitoring.
Read moreUpcoming events
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Why H2scan
Pioneers in hydrogen
Decades dedicated to understanding hydrogen. From pioneering hydrogen specific sensing at Sandia National Laboratories to protecting critical infrastructure at a global scale, our expertise helps customers see more, know sooner and act with confidence.
Engineered for mission-critical environments
Built to the standards of regulated industries. FM Approved and ISO 9001 certified, with every product engineered for the environments we serve.
Trusted across the world
Operators across 110+ countries and six continents rely on H2scan — on transmission and distribution networks, in plants and across data and energy storage facilities.