SunHydrogen, Inc. (OTCQB: HYSR), the Coralville, Iowa-based developer of a technology to produce renewable hydrogen using sunlight and water, provided an update on Oct. 13, 2026, covering field testing at its Austin pilot plant, its participation in UT Austin Hydrogen Days, and new efficiency results from its work with CTF Solar.

New Modules Delivered to Austin Pilot Plant

The company recently shipped four new modules to its pilot plant at the Hydrogen ProtoHub, a facility co-managed by The University of Texas at Austin Center for Electromechanics (UT-CEM) and GTI Energy.

Since installation, the modules have shown two weeks of consistent performance under real outdoor conditions. The new modules incorporate improvements the SunHydrogen team made after initial commissioning.

According to the company, data collected in Austin continues to guide its engineering work as it moves the technology from controlled laboratory testing to outdoor operation.

Hydrogen Days Demonstrations at the ProtoHub

On October 9, 2026, SunHydrogen President and CEO Tim Young spoke at UT Austin Hydrogen Days, held at the Hydrogen ProtoHub.

Following his remarks, Young and Hans Peter Klein, US Managing Director, answered questions from attendees and led demonstrations of SunHydrogen modules producing hydrogen on site.

"Hydrogen Days gave us the chance to show people our technology working outside the lab," Young said. "Seeing the modules produce hydrogen in person, and answering direct questions about how they work, is the best way to explain what we are building."

Young thanked Michael Lewis, Director of the Center for Electromechanics at The University of Texas at Austin, and Austin Mabrey, Research Engineer and lead operator of the Hydrogen ProtoHub, for hosting the event and for their continued support of the pilot plant. He also thanked GTI Energy for its safety review and on-site systems integration support.

Klein said the questions received during the event were practical and thoughtful. "People wanted to understand cost, durability, and where this technology fits. Those are the same questions guiding our work in Austin," he said.

12.3% Solar-to-Hydrogen Efficiency Validated at Honda R&D

In collaboration with CTF Solar GmbH, SunHydrogen has developed small-scale modules using a new cell layout with improved solar cell output, which the company described as a key metric for water splitting.

In laboratory testing, these modules reached an active-area solar-to-hydrogen (STH) efficiency of 12.3%, measured at the Honda R&D Co., Ltd. research facility in Japan. That figure is up from the 10.8% STH efficiency of Honda R&D previously validated for SunHydrogen.

"This result is evidence that our cell design work with CTF Solar can deliver higher efficiencies, and higher efficiency is a critical part of the path toward more economical hydrogen," Young said.

"Our next step is to carry these gains to larger prototypes, with the goal of eventually bringing them to the full-size panels we are testing in Austin, which are designed to be manufactured commercially using existing manufacturing infrastructure."

Company Acknowledges Challenges in Lab-to-Field Transition

In a message to shareholders, Young thanked investors for their patience and support, acknowledging that moving from the lab to real-world testing in Austin has brought challenges, which he said is expected for any new technology.

He said the team, together with partners at The University of Texas at Austin, GTI Energy, CTF Solar, and Honda R&D, is working through those challenges one by one and expressed gratitude for the commitment of employees and partners.

Company Background and Market Outlook

SunHydrogen is developing technologies to produce renewable hydrogen in a market that Goldman Sachs estimates to be worth more than USD 1 trillion per year by 2050. Its patented SunHydrogen Panel technology, currently in development, uses sunlight and water to produce low-cost renewable hydrogen.

The company's stated vision is to become a major technology supplier in the hydrogen economy, producing panels that generate renewable hydrogen in the way solar panels generate electricity.

By developing, acquiring, and partnering with other critical technologies, the company intends to enable emission-free hydrogen production for industrial applications such as fertilizer and petroleum refining, as well as fuel cell applications for mobility and data centers.

The company's release also contained a standard safe harbor statement noting that matters discussed may contain forward-looking statements and that actual results could differ materially from those expressed or implied, with risks and uncertainties described in the company's reports filed with the Securities and Exchange Commission.

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