What Changed
Price Move History
- Daily moves over 5%
- 47 252 sessions, September 29, 2025 to September 29, 2026
- Largest daily move
- +39.3% close of February 11, 2026
- 1-year change
- -43% closing prices, September 29, 2025 to September 29, 2026
- 5-year change
- -67.3% closing prices, September 29, 2021 to September 29, 2026
Company Description
SunHydrogen, Inc. (OTCQB: HYSR) is a technology company developing methods to produce renewable, or green, hydrogen using only sunlight and water. According to the company, its patented SunHydrogen Panel technology is designed to generate low-cost hydrogen in a way that resembles how solar panels generate electricity, but instead producing hydrogen fuel. SunHydrogen positions its technology for use across industrial applications such as fertilizer and petroleum refining, as well as fuel cell applications for mobility and data centers.
Business focus and technology concept
SunHydrogen describes itself as the developer of a breakthrough technology that produces renewable hydrogen using sunlight and water. The company’s approach is based on photoelectrochemical (PEC) hydrogen production, where solar collection and hydrogen generation are integrated into a single reactor unit. The company states that its SunHydrogen Panels use sunlight and any source of water to produce green or renewable hydrogen, with the goal of achieving low production cost and enabling emission-free hydrogen production.
The company emphasizes a modular and scalable design. Its technology roadmap includes single PEC modules, commercial-size reactors, and multi-panel arrays that can be deployed in pilot plants. SunHydrogen highlights that its systems are engineered to operate using sunlight and water, and that its PEC reactors incorporate proprietary catalysts, protective layers, and stabilization coatings.
SunHydrogen Panel and PEC reactor development
Across multiple corporate updates, SunHydrogen reports progress on several generations of its renewable hydrogen panel systems, including Gen 2 and Gen 3 panel development. The company has demonstrated hydrogen production using a one-square-meter proof-of-concept prototype composed of multiple hydrogen modules, and it has described efforts to scale individual modules to a size of approximately 1.92 m², which it notes is comparable to a standard photovoltaic module form factor.
SunHydrogen has showcased a 1.92 m² commercial-size hydrogen reactor module that uses only sunlight and water to produce hydrogen. The company reports live demonstrations of this reactor and smaller working prototypes, including demonstrations powered by simulated sunlight sources for indoor events. It states that these demonstrations are intended to show that hydrogen production directly from sunlight and water can move from laboratory-scale experiments toward commercially relevant scales.
The company’s PEC reactors are designed to integrate solar energy capture and water splitting in one device, which SunHydrogen contrasts with approaches that rely on separate electrolyzers or grid-supplied electricity. The company has discussed plans to test its 1.92 m² module in a closed, specially designed proprietary housing unit for continuous operation, where hydrogen and oxygen are extracted while water is recirculated.
Pilot plants and scale-up initiatives
SunHydrogen has announced several initiatives aimed at scaling its technology from prototype to pilot-scale systems. The company has described a more than 25-square-meter proof-of-concept hydrogen production pilot plant design, based on interconnected PEC reactors with active areas of 1.92 m² each. It has contracted The Process Group, LLC (TPG Engineers), an engineering firm with expertise in chemical process design and mechanical systems, to perform front-end engineering design for this pilot facility.
In collaboration with The University of Texas at Austin – Center for Electromechanics (UT-CEM), SunHydrogen plans to install, commission, and operate a more than 30 m² proof-of-concept hydrogen production system at UT-CEM’s Hydrogen ProtoHub research facility. According to the company, this system will feature sixteen 1.92 m² PEC reactor units in a modular, scalable configuration and will represent its first large-scale, multi-panel hydrogen production system operating under real-world conditions. The company expects this pilot to provide performance validation and data to support commercial system development.
SunHydrogen has also described a pilot system at the Hydrogen ProtoHub that will operate over a defined period to validate performance, durability, and scalability. The company notes that this system will be its first multi-panel solar-to-hydrogen system deployed in an outdoor environment, operating solely on sunlight and water, and that data from this deployment will be used to guide commercialization efforts.
Partnerships and collaborations
SunHydrogen highlights several collaborations that support its technology development and scale-up plans. The company has entered into agreements and memoranda of understanding with CTF Solar GmbH, a subsidiary of China National Building Materials Group (CNBM), which has experience in cadmium telluride (CdTe) thin-film solar technology and photovoltaic manufacturing. These collaborations focus on engineering, pilot manufacturing, and large-scale module development for SunHydrogen’s PEC hydrogen production technology, including efforts to align with high-volume manufacturing processes for hydrogen modules, catalysts, and stabilization coatings.
The company has also referenced relationships with Honda R&D and COTEC as development partners in its communications, and it has cited work with vendors such as DuPont and Swagelok in the context of larger-scale, end-to-end hydrogen production planning. In addition, SunHydrogen has engaged The Process Group, LLC for engineering design of pilot plants and is collaborating with GTI Energy and UT Austin on safety review and systems integration for its pilot installation at the Hydrogen ProtoHub.
Events, demonstrations, and industry engagement
SunHydrogen participates in hydrogen and clean energy industry events to demonstrate its technology and engage with potential partners and stakeholders. The company has exhibited at the Hydrogen Technology Expo in Houston, Texas, and at the World Hydrogen Technology Expo in Hamburg, Germany, where it has showcased live hydrogen production demonstrations using working prototypes and displayed its 1.92 m² commercial-size reactor.
At these events, SunHydrogen has reported strong interest from industry leaders, potential partners, investors, students, and representatives from various regions. The company uses these venues to present its core value proposition of producing clean hydrogen directly from sunlight and water in a compact, modular format, and to advance commercial discussions, pilot demonstration opportunities, and connections with collaborators and funding partners.
Market context and stated vision
SunHydrogen cites external estimates that the hydrogen market could reach a value on the order of $1 trillion per year by 2050. The company frames its technology as a response to the environmental impact of hydrogen produced via steam methane reforming (SMR), which it describes as a carbon-intensive process. In its communications, SunHydrogen argues that renewable hydrogen produced economically from sunlight and water can reduce reliance on fossil feedstocks, avoid the complexities of long-distance hydrogen transport, and support decentralized hydrogen production at or near the point of use.
The company states that its vision is to become a major technology supplier in the emerging hydrogen economy. It intends to pursue this vision by developing, acquiring, and partnering on critical technologies that enable emission-free hydrogen production for industrial uses and fuel cell applications. SunHydrogen emphasizes that wherever there is suitable real estate and sun, its approach is intended to support modular, scalable hydrogen production.
Leadership and organizational development
SunHydrogen has reported organizational changes that support its transition from development to commercialization. The company has promoted its former Chief Scientific Officer to the role of Chief Technology Officer, with responsibility for scaling technology from development to mass manufacturing and commercialization, optimizing product design, and improving production efficiency. It has also appointed a Business Operations Director with experience in automation, automotive, and fuel cell technology to oversee business operations, pilot plant development and implementation, and the development of a pipeline of strategic customers for future commercial deployment of renewable hydrogen panels.
In its communications, SunHydrogen links these leadership appointments to its goal of moving from innovation toward large-scale deployment of its renewable hydrogen technology and preparing for market launch.
Stock information and industry classification
SunHydrogen, Inc. trades on the OTCQB market under the ticker symbol HYSR. Based on the provided classification, the company is associated with the Semiconductor and Related Device Manufacturing industry within the broader Manufacturing sector. SunHydrogen’s public statements focus on technology development for renewable hydrogen production rather than on traditional semiconductor products.
Use cases and applications highlighted by the company
In its descriptions, SunHydrogen notes that its green or renewable hydrogen is intended for a range of applications. These include industrial uses such as fertilizer production and petroleum refining, as well as fuel cell applications for mobility and data centers. The company connects these applications to broader themes of emission reduction and the transition to a sustainable energy future.
Stock Performance
SUNHYDROGEN (HYSR) closed at $0.0180 on September 29, 2026. Over the past 12 months, the price has lost 43.0%.
HYSR Metrics & Rankings
Price returns through September 29, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
SUNHYDROGEN has 10 recent news articles, with the latest published yesterday. Of the recent coverage, 8 articles coincided with positive price movement and 2 with negative movement. Key topics include partnership. View all HYSR news →
SEC Filings
SUNHYDROGEN has filed 6 recent SEC filings, including 3 Form 10-Q, 2 Form 10-K, 1 Form 8-K. The most recent filing was submitted on September 25, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all HYSR SEC filings →
Financial Highlights
SUNHYDROGEN generated $1K in revenue in FY2026, operating income reached -$7.5M, and net income was -$6.5M. Diluted earnings per share stood at $0.00. The company generated -$5.1M in operating cash flow. The current ratio was 37.88, measuring current assets divided by current liabilities.
Upcoming Events
Option expiration
JDA expiration
SUNHYDROGEN has 2 upcoming scheduled events. The next event, "Option expiration", is scheduled for February 11, 2028 (in 498 days). Investors can track these dates to stay informed about potential catalysts that may affect the HYSR stock price.
Short Interest History
Short interest in SUNHYDROGEN (HYSR) currently stands at 25.2 million shares, up 10.9% from the previous reporting period, representing 0.4% of the float. Since September 2025, short interest has increased by 65.0%.
Days to Cover History
Days to cover for SUNHYDROGEN (HYSR) currently stands at 1.0 days, down 59.9% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 1.0 to 3.3 days.
HYSR Company Profile & Sector Positioning
SUNHYDROGEN (HYSR) operates in the Solar industry within the broader Technology sector and is listed on the OTC.
Investors comparing HYSR often look at related companies in the same sector, including PRINCIPAL SOLAR INC (PSWW), SINGLEPOINT INC (SING), AURORA SOLAR TECHNOLOGIES (AACTF), GEOSOLAR TECHNOLOGIES INC (GSLR), and SUNPOWER CORP (SPWRQ). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate HYSR's relative position within its industry.