FRIDAY, JULY 10, 2026 POCATELLO, IDAHO
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Economy

Bannock County Explores Small Nuclear Reactors as Solution to Growing Power Demand

Electric transmission tower

Community Forum Weighs Emerging Technology for Regional Energy Security

Bannock County is examining small modular reactors as a potential path to energy independence, following a community forum held Wednesday in Downey that drew representatives from Idaho National Laboratory, Idaho Advanced Energy Consortium, Idaho State University, and the Portneuf Valley Development Corporation.

The discussion reflected growing regional interest in nuclear technology. A countywide survey conducted ahead of the forum drew more than 700 responses, with nearly 90 percent of participants expressing positive views of nuclear energy—a strong signal of local appetite for exploring advanced power generation options.

Why Idaho Needs New Generation Capacity

The case for new energy infrastructure rests on straightforward demand projections. The United States currently consumes roughly 4.5 terawatts of power annually. That figure is expected to climb sharply, with emerging technology alone projected to add 1.3 to 1.5 terawatts of demand within the next five to ten years—requiring a 30 percent increase in generation capacity over that timeframe.

Idaho has historically exported more electricity than it consumes, a position of strength that is trending toward reversal. The state faces a choice between importing power from elsewhere or developing new domestic sources. Small modular reactors represent one option being seriously studied.

“Nuclear energy is a natural fit for Idaho because it builds on the state’s long history of leadership in clean, reliable energy and advanced nuclear innovation,” said Jess Gehin, an associate laboratory director for Nuclear Science & Technology at Idaho National Laboratory.

Technology, Scale, and Site Considerations

Small modular reactors—or SMRs—operate on a dramatically different scale than conventional nuclear plants. A typical SMR unit occupies roughly 50 acres, a fraction of the footprint required by traditional generation sources. By comparison, one proposed solar development in the region would require 4,000 acres of Bureau of Land Management land.

The technology is not theoretical. Idaho State University has operated a small research reactor since the 1960s, generating 5 watts of power and serving as a platform for nuclear education and innovation in the state.

Fuel efficiency offers another practical advantage. An SMR fuel pellet—roughly half an inch in diameter—is designed to power the equivalent of about 1,800 homes for 80 to 90 years. By contrast, conventional nuclear reactor fuel rods require servicing every eight to nine months, a significant operational consideration.

Forum organizers identified potential sites for development. A proposed location near Interstate 15 and Highway 40 in Downey encompasses roughly 400 acres, with setbacks ensuring at least a half-mile distance from the nearest residence. Additional sites under discussion include the former Hoku plant site and Pocatello Regional Airport, both located in Pocatello.

Economics and Competing Technologies

Cost comparisons highlight the trade-offs between different energy sources. Nuclear construction costs work out to approximately 60 cents per kilowatt-hour, while solar development costs roughly 40 cents per kilowatt-hour. An estimated $54 million price tag for building a small modular reactor represents a significant capital investment, though the long fuel lifespan and compact footprint offer long-term advantages.

The forum did not result in immediate policy decisions or commitments. Rather, it served as a venue for county officials and technical experts to present emerging technology options and gauge public interest—which the survey data suggests is robust.

Idaho’s energy independence remains a regional priority. As electricity demand grows and the state transitions toward net importer status, local officials are evaluating options that balance affordability, reliability, land use, and environmental considerations. Small modular reactors have earned serious consideration in that conversation.

What Comes Next

No timeline for reactor development has been announced. The forum and survey represent an initial information-gathering phase. County officials and development partners will likely continue studying feasibility, regulatory requirements, and financing mechanisms. The strong public response to nuclear energy in the survey suggests that community acceptance, at least in principle, should not prove to be a limiting factor in moving forward with more detailed planning.

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