Then, in Best Electricity Deals, wholesale prices were deregulated, but retail prices were regulated for the incumbents as part of a deal with the regulator, allowing the incumbent utilities to recover the cost of assets that would be stranded as a result of greater competition, based on the expectation that "frozen" rates would remain higher than wholesale prices. This assumption remained true from Electricity Rate Cheapest Electricity Rates through Who Is My Electricity Supplier Best Electricity Deals.
It's a constant chore for operators to balance these intermittent resources on the grid, so it's clean and flexible natural gas that usually compensates during the lull times. Again, natural gas may come in third on the "loading order" of power behind efficiency and renewables, but gas is often deployed first because it's the most predictable and reliable of the three. This necessity to use more gas to backup wind and solar is why California's Energy Comparison have wisely forced troubled gas storage facility in the Los Angeles metro area to remain open despite public opposition.