I suspect that if areas outside LA and San Deigo get this additional power, then that would probably free up other power for the LA and San Diego areas.
See the link above:
“The Associated Press reported earlier this month that a Schwarzenegger relative, Robert F. Kennedy Jr., and his former environmental secretary, Terry Tamminen, are part of a private investment group that could score a lucrative payoff if regulators approve the BrightSource complex.”
But at a huge cost. In Canada, Ontario Power Generation signed a contract with a solar plant where they pay seven times the retail rate for 20 years- I suspect that the pricing of this deal is similar.