The largest solar array in space serves the International Space Station. It generates ~215 kilowatts.
Here's the power needed for a contemporary data center:
A single AI server rack requires 50-150 kilowatts compared to 10-15 kilowatts for conventional computing, driven primarily by dense GPU clusters that operate continuously at maximum capacity.And, remember: that's per rack!! Cookie monster. One rack eats most (more recent estimates bump that power demand higher) of the largest orbiting array power in existence.
Now, what's the average data center count of racks? According to Google, it depends
1 MW About 1,000 - 2,000 rack serversBack of the envelope? 1 MW is 4 times what the ISS has, and that's not continuous power, since Mother Earth gets in the way for a significant slice of the orbit. So, LEO or geosync? The latter allows for continuous contact with Mr Sun, likely never to be feasible not to mention cost effective. LEO can be gotten to, but building such big structures there? Not my kettle of fish.
10 MW About 10,000 - 20,000 rack servers
50+ MW Up to 100,000+ rack servers
Doesn't sound all that practical. By no means obvious. Well... if you want to depreciate, at Uncle Sugar's expense, all those 'reusable' rockets it might be!!!

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