Ascent Solar Technologies Inc. (NASDAQ: ASTI) announced it has delivered test samples to two customers to evaluate its lightweight, flexible CIGS thin-film photovoltaic (PV) solutions in extreme environments. The first customer, an ocean monitoring technology company, will test the solar technology's functionality and durability in aquatic terrestrial applications for autonomous underwater vehicles. The second, a maker of power lasers for space and defense, will assess the PVs' space-based power beaming receiving capabilities for inter-satellite power transmission.
These tests mark Ascent's continued push into markets beyond its traditional aerospace focus. The company's CIGS PV modules are known for being featherweight, flexible, and durable, performing well in low-light and extreme temperature conditions. According to CEO Paul Warley, "We see underwater and space applications as unique opportunities for thin-film PV to thrive, as the technology's lightweight, flexible and durable design allows it to withstand the immense pressures and tempestuous conditions that define these environments."
The ocean monitoring market for solar is projected to grow from $1.2 billion today to $3.5 billion by 2033, while the space industry represents a $6.8 billion opportunity by 2040. Ascent's ability to deliver solar arrays in six to eight weeks, compared to competitors' nine to 12 months, gives it a competitive edge. The company's products are manufactured at its 5MW facility in Thornton, Colorado.
Ascent has previously partnered with NASA's Marshall Space Flight Center and Glenn Research Center to develop space-based power systems using its CIGS modules. In summer 2025, it signed a deal with NOVI Space Inc. to provide rollable PV array blankets for AI-powered satellites. These test deliveries aim to replicate that success in maritime and defense industries.
The growing demand for environmentally friendly power solutions, coupled with regulations and advances in solar efficiency, is driving interest in Ascent's technology. By enabling persistent operation of ocean monitoring equipment and satellite power transmission, Ascent is positioning itself as a key player in extreme-environment solar applications.
