The direct cause of the crisis appears to be the unusually large amount of production capacity that has been shutdown. Whether this has been done to create a shortage and thus high prices is a matter of investigation at this point.
It does indeed take at least a year longer to complete licensing requirements in California than in many other states. But that's not why more plants weren't built. The danger is now that any plan will be accepted regardless of the environmental consequences. Notably coal. The competitive position of wind energy is based to a large extent on environmental considerations.
It was not the intention to suggest that the prime responsibility for California's energy woes lies with environmentalists, but to prick the environmental conscience and suggest that a supportive stance on new renewables power plant from now on was called for. Ed.