H
Hystar
Energy · Bærum, Norway · Founded 2021
Makes advanced PEM electrolysers for large scale green hydrogen production MoreLess
Hystar is a forward-thinking company that specializes in the development and production of PEM (Proton Exchange Membrane) electrolysers, which are used to generate green hydrogen through water electrolysis. Green hydrogen is a clean energy source that can significantly reduce greenhouse gas emissions, making it a crucial component in the global transition to sustainable energy.
Hystar emerged as a spin-off from SINTEF, one of the largest independent research organizations, which underscores its strong foundation in research and innovation. The company operates in the green energy market, focusing on providing solutions that make the production of hydrogen from renewable electricity more efficient and cost-effective.
Hystar offers two main product lines of PEM electrolyser systems. These systems are designed with a modular approach, allowing for easy and flexible implementation across a broad range of applications. This flexibility makes Hystar's products suitable for various clients, including industries looking to reduce their carbon footprint, energy companies seeking sustainable alternatives, and governments aiming to meet environmental regulations.
The company's business model revolves around the development, manufacturing, and sale of these advanced electrolyser systems. Hystar generates revenue by selling these systems to clients who are looking to produce green hydrogen efficiently. Additionally, the company may offer maintenance and support services, ensuring that their clients can maximize the performance and longevity of their electrolysers.
Hystar is well-financed and growth-oriented, with a diverse and passionate team dedicated to advancing green technology. The company prides itself on its ethical approach, transparency, and commitment to delivering on its promises. By making green hydrogen production more affordable and accessible, Hystar is playing a pivotal role in the global effort to combat climate change.
Keywords: PEM electrolysers, green hydrogen, water electrolysis, SINTEF spin-off, renewable energy, greenhouse gas reduction, modular systems, sustainable technology, energy transition, innovative solutions.
Company overview
Hystar company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2021
- Headquarters
- Bærum, Norway
- Employees
- 64
- Open positions
- None listed
- Dealroom signal
- 79.9
Valuation & funding
Hystar funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES COther financing | May 2025 | $36M | $144M | SINTEF TTO & Venture · AP Ventures · Nysnø Climate Investments · Firda | ↗ |
| GRANTOther financing | Oct 2024 | $29M | — | EU Innovation Fund | ↗ |
| SERIES BOther financing | Jan 2023 | $26M | $104M | Trustbridge Partners · Finindus · Firda · Mitsubishi | ↗ |
| EARLY VCOther financing | Apr 2021 | $5.9M | $24M | SINTEF TTO & Venture · AP Ventures · Firda | — |
| SPINOUTOther financing | Jan 2021 | $0 | — | SINTEF · SINTEF TTO & Venture | — |
Financials
Revenue and workforce over time
Available revenue and workforce history. Fields without reported data are omitted.
| Year | Revenue | Growth | Employees |
|---|---|---|---|
| 2026 | $1.8M | 0% | 64 |
| 2025 | $1.8M | 0% | 61 |
| 2024 | $1.8M | -38.9% | 79 |
| 2023 | $2.9M | +16.2% | 51 |
| 2022 | $2.5M | +196.3% | — |
| 2021 | $851K | — | — |
Growth signals
Hystar website traffic
Latest recorded traffic for Hystar is 3.2K monthly website visits, down 31.9% over the last three months. Hystar's team grew 4.9% over the past year.
Comparisons
Hystar compared with similar companies
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Talent graph
Hystar's talent
Source: Dealroom Talent Intelligence.
Investors
14 investors on Hystar's cap table
Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.





Global footprint
Where Hystar has talent and traffic
team presence
In the news
Latest news about Hystar
Recent press, funding announcements, and product moves mentioning Hystar — open to read from the original sources.
Market sentiment
What the market is saying about Hystar
An AI-synthesized read of the highest-engagement posts about Hystar on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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