Nope. There's O&M which for this plant is huge. Fuel for conventional plants costs money, but other O&M costs are much lower.
When solar panels collect dust and grime, they lose much of their effectiveness, so they must be cleaned frequently. Where, exactly, are we going to get the water needed for cleaning in the middle of the desert? And who’s going to be out there wiping down 500,000 acres of panels?
Furthermore, the more distant a source of electricity is from where it’s used, the more of it you lose during transmission, as much as 50% over 115 miles.