He's talking about the interconnection queue. You see the 100MW of solar they're wiring up, but not the hundreds of gigawatts in the queue.

I imagine it'd be a lot easier to get a giant datacenter through the queue and connected if said datacenter also generated more than it's own needs with solar and grid scale battery. You'd essentially be asking the grid to act as a backup and sink for spare generation. Avoiding a need for central generation capacity buildout.