H2Sonics / HPA Sonics logo

H2Sonics / HPA Sonics

High Purity Alumina & Hydrogen co-created with Less Cost, Less Time, Less People and Zero Greenhouse Gas Emissions.

4 employees · est. 2011 · Glastonbury, United States

VS
Hystar logo

Hystar

We make the world's most efficient PEM electrolysers for large-scale green hydrogen production.

78 employees · est. 2021 · Oslo, Norway

H2Sonics / HPA Sonics is the older company (2011 vs 2021); Hystar is the larger of the two.

Side-by-Side Comparison

H2Sonics / HPA Sonics Hystar
Founded
2011 older 2021
Headquarters
Glastonbury, United States Oslo, Norway
Employees
4 78 larger
Industry
Energy, Manufacturing, Oil and Gas Not tracked yet
Funding Stage
Series A Grant
Total Funding
$1.97M $50.00M
Funding Rounds
2 3
Services
Production of High Purity Alumina, Aluminum Oxy-Hydroxide Product Manufacturing, Supply of Micron and Sub-Micron Size Products Supply of PEM Electrolyser Stacks, Modular Hydrogen Solutions, Automated Electrolyser Production
Target Customers
Synthetic Sapphire Industry, Thermal Coatings Industry, Companies in Growth Markets Energy Companies, Technology Integrators, Sustainability-focused Enterprises
Taxonomy
Alternative Energy, Alumina Production, Green Technology, Hydrogen Production, Sonic Energy, Patent-protected, Emerging Technology, Clean Energy, Environmental Technology, Sustainable Manufacturing, Startup, Investment, Proprietary Technology, Minority-owned Business PEM Electrolyzers, Green Hydrogen Production, Advanced Cell Design, Carbon Emission Reduction, Energy Technology, High Efficiency Energy Systems, Sustainable Energy Solutions, Clean Technology, Large-scale Hydrogen Production, Energy Innovation, Environmental Technology, Hydrogen Economy, Clean Energy Transition
Website
h2sonics.com hystar.com
H2Sonics / HPA Sonics logo

About H2Sonics / HPA Sonics

H2Sonics / HPA Sonics, founded in 2011, is an emerging player in the energy and manufacturing sectors, primarily focusing on high purity alumina and hydrogen production. The company leverages its proprietary, patent-protected technology utilizing sonic energy, aiming to revolutionize industrial proc...

Hystar logo

About Hystar

Hystar is a high-tech Norwegian company founded in 2021, specializing in the development of the world's most efficient PEM electrolysers for large-scale green hydrogen production. Aiming to transform energy sectors, they offer a sustainable solution to the prevalent issue of carbon emissions associa...

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Frequently Asked Questions

H2Sonics / HPA Sonics — High Purity Alumina & Hydrogen co-created with Less Cost, Less Time, Less People and Zero Greenhouse Gas Emissions.. Hystar — We make the world's most efficient PEM electrolysers for large-scale green hydrogen production.. Both companies operate in related markets but may differ in funding stage, team size, and product focus.
H2Sonics / HPA Sonics has raised $1.97M while Hystar has raised $50.00M.
H2Sonics / HPA Sonics and Hystar operate in overlapping markets and are frequently compared. Track both companies on Bounce Watch to monitor their growth signals in real time.

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Compiled from the BounceWatch company index. We last looked at H2Sonics / HPA Sonics on 14 Sep 2024, and Hystar on 11 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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