What H2scan does

H2scan Corporation is a privately held hydrogen sensor technology company founded in 2002 and headquartered in Valencia, California. The company designs, manufactures, and sells solid-state hydrogen sensing instruments and supporting software, organized around three core product families: HY-ALERTA safety monitors for battery rooms and industrial leak detection, HY-OPTIMA in-line process analyzers for electrolyzers, fuel cells, and industrial gas streams, and GRIDSCAN transformer monitoring solutions (including HY-VAULT for underground networks and the GRIDSCAN 6000 multi-sense monitor). The technology foundation is a patented solid-state sensor platform originated at Sandia National Laboratory and the U.S. Department of Energy, now in its fifth generation, with proprietary AccuSmart self-calibration that validates measurement integrity every 12 hours and delivers 10+ years of maintenance-free operation without calibration gases. H2scan's flagship products are certified to IECEx, ATEX, FM, CE, IP66/IP68, and NEMA 4X standards for hazardous-environment deployments.

H2scan operates a B2B hardware sales model with quote-based enterprise pricing, supplemented by OEM integration partnerships (sensors embedded into monitoring systems by partners such as ABB and Siemens) and a global sales partner/distributor network. Hardware units typically range from $5,000 to $10,000 for transformer monitoring applications to $50,000-$60,000 for multi-gas systems, sold under multi-year contracts. The customer base is concentrated in regulated, mission-critical end markets including electric utilities, oil and gas majors (ExxonMobil, Shell), petrochemicals (Dow), industrial gases (AirGas), aerospace and government (NASA JPL, Boeing), and manufacturing (Georgia-Pacific, Marathon Oil). The H2cloud fleet monitoring platform and Sentinel IoT communicator add a software/data layer intended to convert hardware installs into recurring intelligence subscriptions and deepen switching costs.

The company has raised approximately $100 million+ cumulatively across multiple rounds since 2002, including a $70 million round in February 2022 led by LetterOne with GS Energy participation to fund global expansion, manufacturing scale-up, and R&D. In November 2025, H2scan appointed David Ellis as Chairman and launched HY-GUARD, a dedicated hydrogen monitoring system for battery safety in data centers, telecommunications, and energy storage applications—marking a deliberate expansion into the fast-growing battery energy storage and data center safety verticals beyond its traditional transformer and industrial process core.

Name

H2scan

Legal name

H2scan Corporation

Website

https://h2scan.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

51–100 employees

Short description

H2scan Corporation designs and manufactures patented solid-state hydrogen sensors and analyzers for electric utilities, oil and gas, battery safety, and industrial process monitoring, selling globally via direct enterprise sales, OEM partners, and a distributor network under the HY-ALERTA, HY-OPTIMA, and GRIDSCAN brands.

Ownership category

akta.pro rank

Product category

Industrial Hydrogen Sensors

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Environmental Sensors (Temperature/Humidity/Gas/Air Quality) (HDAHALAD)

akta.pro secondary industries

Process Analytical Instrumentation (Gas analyzers, spectroscopy, pH/ORP, conductivity) (IMAGAFAE), Hydrogen Storage Safety, Monitoring & Integrity (Leak Detection, Sensors, Inspection) (EUAFAEAJ)

Keywords

• Hydrogen gas sensors
• Transformer monitoring systems
• Industrial process analyzers
• Battery room safety
• Dissolved gas analysis

Headquarters

HQ city

Valencia

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Operations, Personnel, Supply Chain, Marketing or Sales

Revenue model

1. Hydrogen Sensor Hardware Sales: H2scan generates revenue through the sale of hydrogen sensor hardware products including safety monitors (HY-ALERTA series), process analyzers (HY-OPTIMA series), transformer solutions (GRIDSCAN series), and display units. The company sells directly to end customers and through OEM integration partnerships where their sensors are embedded into third-party monitoring systems. Products are sold with varying price points based on application complexity, with transformer monitoring systems typically ranging $5,000-$10,000 and multi-gas systems at higher price points.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

H2scan manufactures and sells solid-state hydrogen sensor products for continuous monitoring and leak detection across utility transformers, battery rooms, electrolyzers/fuel cells, and industrial process applications. The portfolio includes HY-ALERTA safety monitors, HY-OPTIMA process analyzers, GRIDSCAN transformer solutions, the H2cloud fleet monitoring platform, and the HY-GUARD battery safety monitor, all built on patented Gen 5 sensing technology with AccuSmart self-calibration enabling 10+ years of maintenance-free operation.

Product overview

H2scan is a hydrogen sensor technology company offering three main product families — HY-ALERTA® (safety monitors for battery rooms and industrial safety), HY-OPTIMA® (process analyzers for electrolyzers, fuel cells, and industrial processes), and GRIDSCAN® (transformer monitoring solutions) — supported by the H2cloud™ cloud-based fleet monitoring platform. The portfolio is anchored by proprietary solid-state Gen 5 hydrogen sensing technology with AccuSmart™ self-calibration, providing 10+ years of maintenance-free operation. Supporting products include the HY-VAULT transformer monitor, Sentinel® PRO IoT communicator, HYVIEW® display, and analog output modules (HYAO-1, GSAO-1, GSAO-2, BRO-1). Products communicate via Modbus RTU over RS-485 and optional 4–20 mA analog outputs for integration with SCADA and legacy systems.

Differentiator

Problem solved

Functional benefit

Brands

• HY-ALERTA: Hydrogen safety monitors for battery rooms and industrial safety applications.
• HY-OPTIMA
• GRIDSCAN
• HY-GUARD
• HY-VAULT
• H2cloud
• Sentinel
• HYVIEW

Products and services

• HY-ALERTA Safety Monitors Solid-state area hydrogen safety monitors for battery rooms, industrial safety, and hazardous environments, offering hydrogen-specific leak detection with no cross-sensitivity to other gases and 10+ year maintenance-free operation via AccuSmart self-calibration. Product family includes intrinsically safe (HY-ALERTA 5320), explosion-proof (HY-ALERTA 2620), fixed area (HY-ALERTA 600B), and general-purpose (HY-ALERTA 5020/5021) variants for utilities, data centers, telecom, and industrial customers.
• HY-OPTIMA Process Analyzers In-line hydrogen process analyzers for electrolyzers, fuel cells, refining, and industrial process streams, providing real-time cross-sensitivity-free hydrogen measurement with Gen 5 solid-state sensor technology. Product family includes general-purpose (HY-OPTIMA 5030), intrinsically safe (HY-OPTIMA 5330 IS Gen 5), and explosion-proof (HY-OPTIMA 2700 Series) variants with Modbus RTU (RS-485) and optional 4-20 mA analog output integration.
• GRIDSCAN Transformer Solutions Hydrogen sensors for transformer dissolved gas analysis (DGA) and fleet-wide condition monitoring, providing maintenance-free continuous monitoring to detect incipient transformer faults before catastrophic failure. Product family includes the GRIDSCAN 5000 hydrogen sensor (10-year calibration-free operation) and the GRIDSCAN 6000 Multi-Sense Monitor (combined hydrogen, moisture, pressure, and temperature measurements) for utility and industrial transformer fleets.
• HY-GUARD Hydrogen Area Monitor Industry's first no-maintenance hydrogen mitigation solution specifically designed for area monitoring of aqueous battery types (lead-acid and Ni-Cad), targeting battery rooms in data centers, telecom facilities, utilities, and industrial facilities. Features solid-state hydrogen sensor technology with AccuSmart self-calibration, eliminating the need for manual calibration for over 10 years.
• HY-VAULT Transformer Monitor Advanced transformer monitoring solution that enhances underground network transformer safety by measuring hydrogen generation as a leading indicator of failure, targeted at utilities operating underground vault transformer installations.
• H2cloud Fleet Monitoring Platform Cloud-based platform providing centralized intelligence for transformer fleet monitoring with real-time alerts and advanced analytics capabilities, aggregating sensor data from GRIDSCAN, Sentinel PRO, and other field devices to support grid intelligence and predictive maintenance initiatives.
• Sentinel PRO IoT Monitor Wireless communicator that delivers transformer data to the H2cloud platform for comprehensive grid intelligence and transformer monitoring for single units or fleets, enabling IoT connectivity for transformer sensors.
• HYVIEW Display Rugged display unit consolidating data from multiple hydrogen sensors, available in explosion-proof and NEMA models (NEMA 4X enclosure, IP66 rated) for transformer and battery safety applications, with alarm output that can wire into SCADA systems.

Quantifiable outcome

• Transformer monitoring costs reduced to $5,000-$10,000 per unit vs $50,000 for multi-gas systems, enabling 6x more transformers monitored on equivalent budget
• +3 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability3 records

Feature5 records

Partnerships

One partnership is on record.

• Sales PartnerscoreChannel Partner/ Reseller/ DistributorH2scan maintains a global network of sales partners and distributors reselling hydrogen sensor products. The company operates a partner portal at h2scan.com/distributor-portal-login/ for partner access and management.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• ABB: Global automation and electrification OEM that competes in transformer monitoring/condition diagnostics and serves as an OEM integration partner embedding H2scan sensors into its monitoring platforms.
• Hitachi Energy: Successor to ABB's grid business and GE's Grid Solutions; supplies multi-gas DGA monitors (e.g., Hydran) used by utilities for transformer fleet monitoring—directly competing with H2scan's GRIDSCAN line.
• Siemens Energy: Major transformer OEM and grid services provider; offers DGA and condition monitoring solutions overlapping with H2scan's utility value proposition, while also serving as an OEM integration partner.
• Honeywell: Industrial conglomerate with a large gas detection portfolio (Touchpoint, Analytics) serving oil & gas, chemicals, and utilities—the same verticals H2scan addresses with its hydrogen-specific sensors.
• Dräger: Global safety and gas detection specialist offering fixed and portable hydrogen monitors (Polytron, X-am) for industrial safety applications overlapping H2scan's HY-ALERTA area monitors.
• MSA Safety: Safety equipment manufacturer with a significant fixed gas detection portfolio (Ultima X series) covering hydrogen detection in industrial facilities, competing for similar safety budgets.
• Industrial Scientific: Gas detection company serving industrial hygiene, oil & gas, and battery room safety—overlapping with H2scan's battery room hydrogen monitoring use case for stationary and connected sensing.

Direct peers

• Vaisala: Provides dissolved gas analysis and moisture-in-oil monitoring for transformers (e.g., OPT100, MHT410), directly competing with GRIDSCAN in the same utility procurement frameworks.

Emerging players

• NevadaNano: MEMS-based gas sensor developer (Molecular Property Spectrometer) offering hydrogen detection for similar battery safety and industrial applications—closest direct competitor on underlying sensor technology.
• Membrapor: Specialty electrochemical gas sensor manufacturer offering hydrogen sensors for industrial process and safety applications, competing with H2scan in gas analyzer OEM channels.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/H2scan
• Facebookfacebook.com/461200390601266
• LinkedInlinkedin.com/company/h2scan-corporation
• Xx.com/h2scancorp

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds10 records

Investors12 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 H2scan