With the reliever airport in the Ivanpah Valley south of Las Vegas not likely to be operating until 2037 at the earliest, ...

The long-term answer is a new airport — specifically, the Clark County’s planned Southern Nevada Supplemental Airport in the Ivanpah Valley ... multibillion-dollar plan to expand Terminal ...

That means that two of the plant’s three units may no longer be operational next year, assuming that California regulators back the plan. Ivanpah originally was supposed to run until 2039.