Solar power supports the International Space Station’s life support systems, daily activities and research. Over the past five years, NASA has expanded the station’s power generation and distribution capacity with next-generation International Space Station Roll Out Solar Arrays, or IROSAs.
A technology demonstration aboard the station in 2017 tested the arrays. Their lightweight, compact design launches as a cylinder and unfurls after installation like a yoga mat. An autonomous deployment system helps reduce risks during rollout.
Redwire designed, manufactured and tested the IROSAs under a contract with Boeing. The arrays are about half the size of the station’s legacy panels but can produce about 28 kilowatts of additional power.
