It is already built. Power lines are already connected to it.
Its operating costs are what matters.
Two dozen people at top-dollar rates?
There’s also the fact that California is sometimes electricity short and has to resort to brownouts.
The bigger problem with electricity supply in California is that the electric utilities have not been able to maintain lines safely and now have to pay many billions to rebuild communities. The electric utility system in California might even collapse economically.
Yes, a typical modern gas turbine plant needs 24 x 7 operating staff at 4-6 people per shift x 4 rotating shifts. A few more on dayshift for EHS, paperwork, admin, and parts and maintenance planning/monitoring.
This things regular maintenance even to the level of every reflector controller and regulator and mirror.
From Wikepedio: “The plant has a gross capacity of 392 megawatts (MW).[8] It uses 173,500 heliostats, each with two mirrors focusing solar energy on boilers located on three 459-foot-tall (140 m)[9] solar power towers.”
I’d suspect that the cost of existing contracts makes it uncompetitive, that PGE wants a buyout and to turn to more efficient and cheaper sources.