During US EVAs 74 and 75 the IROSA (ISS Roll Out Solar Array) was installed on the ISS P6-2B Solar Array channel. This is one of six IROSA's that will be installed on ISS to increase solar power generation. Each IROSA brings 20kW of power. Once all six IROSAs are deployed, the total ISS solar panel system power generation will increase from 160 kilowatts to 215 kilowatts.

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