The sprawling federal research complex on the high desert of eastern Idaho built its reputation on nuclear science, and for decades that was its defining identity. Now the laboratory is positioning itself for a second act, at the center of the broader energy transition — and drawing new industries and talent to the region in the process.

The pivot builds on the lab's nuclear heritage rather than abandoning it. As interest revives in advanced reactors and small modular designs as sources of carbon-free power, the accumulated expertise on the Idaho desert becomes newly relevant, and the lab has become a hub for developing and testing the next generation of nuclear technology.

But the second act extends beyond fission. The laboratory has expanded into research on grid integration, energy storage, hydrogen, and the systems needed to knit diverse energy sources into a reliable whole. It is work aimed squarely at the practical challenges of decarbonizing a modern economy.

For eastern Idaho, the laboratory's reinvention is an economic anchor. It sustains high-wage research jobs, spins off companies, and gives a region far from the state's booming western corridor its own claim to the technological future. The desert that once hosted the dawn of nuclear power is angling to help shape what comes after it.