SpaceX Secures 100 GW HJT Solar Production Deal for Starmind Satellite Network
SpaceX has entered a $69 million agreement with Singulus Technologies to establish manufacturing lines for high-efficiency heterojunction solar cells, according to reporting from Interesting Engineering. The partnership supports the Starmind initiative, which seeks to deploy significant orbital computing power through massive satellite arrays manufactured at a Texas-based facility.
Context from Industry Pulse
The transition to in-house heterojunction cell production signals a shift in satellite engineering toward high-density orbital energy generation. By integrating crystalline and amorphous silicon, SpaceX aims to overcome the efficiency limitations of standard space-grade photovoltaics. This infrastructure supports the Starmind AI1 satellites, which demand significantly higher power than traditional communications hardware. The 100 GW annual production target aligns with SpaceX's broader strategy to utilize its launch frequency for large-scale orbital infrastructure. The use of laser links to connect Starmind to Starlink suggests a hybrid architecture where orbital processing and global data distribution are deeply integrated, requiring a massive increase in energy harvesting capabilities to sustain peak computing loads in sun-synchronous orbits.
"SpaceX has ordered 100 GW/year of HJT solar manufacturing equipment from Singulus in Germany. This is for Starmind to create a sentient sun."
SpaceX is establishing an internal manufacturing pipeline for advanced solar technology through a strategic partnership with German equipment manufacturer Singulus Technologies. As Interesting Engineering reports, the deal involves the delivery of turnkey production lines designed to produce heterojunction solar cells. These specific cells utilize a crystalline silicon wafer layered with amorphous silicon to minimize electrical charge loss and maximize sunlight conversion efficiency. The first equipment delivery is expected in the first half of 2027 to support operations at the Bastrop, Texas, manufacturing site.
The scale of the procurement is aimed at supporting the Starmind program, which Elon Musk has characterized as a sentient sun initiative. According to Interesting Engineering, the order encompasses equipment capable of producing 100 gigawatts of solar capacity annually. This manufacturing infrastructure will supply the power requirements for a new class of satellites, including the AI1 model. These orbital units feature a 75-meter wingspan and carry computing payloads that require an average of 175 kilowatts of power, reaching peaks of 250 kilowatts during operation.
Financial and technical collaboration between the two companies began in early 2026, involving multiple rounds of funding provided by SpaceX through secured loans. Interesting Engineering notes that the production process will integrate various specialized stages, such as wet-chemical processing, physical vapor deposition, and plasma-enhanced chemical vapor deposition. The goal is to provide a reliable supply of high-throughput solar components for satellites operating in sun-synchronous orbits.
Long-term objectives for the Starmind network involve deploying up to 100 gigawatts of power to orbit each year, a feat that would necessitate thousands of annual launches. While SpaceX indicated in securities filings that a commercially viable business could exist at lower deployment levels, the current equipment order reflects a commitment to the maximum planned scale. The satellites will serve as orbital computing hubs, transmitting processed data back to Earth via laser links integrated with the existing Starlink network.
The Industry Pulse Bottom Line
SpaceX is evolving from a launch provider into a high-volume energy and hardware manufacturer, leveraging German vacuum coating expertise to build the massive solar capacity required for orbital AI processing.