Utilities and Power Construction in Wyoming

Coal plants, a sodium-cooled reactor and about 600 wind turbines all share one Wyoming grid story, and the owners behind them hire the same trades. TerraPower's Natrium plant at Kemmerer is a 345 MW unit that the NRC decided in early March 2026 to license for construction. The Chokecherry and Sierra Madre wind project south of Rawlins is described by its developer as under construction. Older coal stations are being converted or retired. All of that needs civil work, and much of it needs it at once.

We build the ground-level side of power: access roads, laydown yards, equipment foundations, trenching, control and maintenance buildings, and the site around them. We do not claim the licensed nuclear scope or the turbine erection. We claim the parts of a power project that decide whether the specialists can start on time, which is road, pad, power and a safe place to park a crane.

Utility and power owners buy differently from private manufacturers. They work from standards, prequalification and detailed safety programs, and their schedules are tied to outages and regulatory milestones. We adapt to that rhythm and we plan around the drive and the weather before we plan the work.

Three kinds of power work in one state

The first kind is new generation. TerraPower began non-nuclear construction at Kemmerer in June 2024, and the NRC finished its construction permit review in 18 months against an initial 27 month schedule. A separate operating license is still required, and completion is expected in 2030. The wind project covers a 320,000 acre ranch with roughly 3,500 MW of nameplate capacity and an estimated cost of $5 billion, and the BLM's 2016 assessment anticipated up to 1,000 construction jobs at peak.

The second kind is conversion of existing plants. The Jim Bridger plant, which a Sweetwater County mine supplies with coal, is partly transitioning from coal to natural gas and plans to close fully by 2039. The Naughton Power Plant on the southwest edge of Kemmerer was scheduled to stop burning coal in 2026. The third kind is maintenance of plants that keep running, such as Laramie River Station, a 1,710 MW plant with about 300 workers whose emissions control equipment became operational in 2019.

Prequalification, permits to work and wind

Power owners ask for a safety record in writing before they ask for a price, and they audit what they get. We prepare a site-specific safety plan for every power job: lockout and tagout coordination with the plant, work near energized equipment, excavation near buried cable, and crane operations. Each worker takes the owner's orientation before the gate opens.

Wind is the first hazard on an open site. Turbine locations on high ground see the strongest gusts, and cranes shut down above set limits. We build wind holds into the schedule and secure materials at the end of every shift. Cold is the second hazard. Wind chill, ice on haul roads and short daylight in winter reduce what a crew can do safely, so we plan fewer hours and better ones.

Outages, milestones and the calendar

On a running plant, the outage window is the schedule. A turnaround or a planned shutdown gives you a fixed number of days, and everything we do before it has to be complete and inspected. That includes foundations cured to strength, conduits in the ground, and materials staged. Missing a window can mean waiting a year.

On a new-build site, regulatory milestones govern. The Kemmerer plant cleared an NRC construction permit review and still needs an operating license before it runs. We keep our own scope clear of those gates and plan for the work that is allowed to proceed. If your project is weather-sensitive, we stage civil work for the warm months and move interior and electrical work into winter.

Many authorities, one set of drawings

A power project answers to more than a building department. Federal agencies, the state, the county and the utility each have a say, and each works to a different calendar. The BLM covered 219,707 acres in its review of the wind project. On the building side, Wyoming has no single statewide building code, and localities with delegated authority adopt their own. We keep a register of every approval and every condition, and we assign each to a person.

Site-specific design values matter for foundations and structures. Evanston requires 40 psf minimum snow load and 54 inch footings, Laramie County lists 105 mph wind, and Teton County lists a minimum seismic design category D. The local number governs, so we check it before the engineer sizes the pier.

The work we manage most closely

Power sites are remote, so we schedule and supervise the work that cannot wait for a subcontractor to be available. That includes heavy-haul access roads that carry long loads to the site, and stabilized laydown yards for tower sections, blades, transformers and steel. We build both to the loads that will use them and the thaw conditions that will test them.

Foundations for tall or heavy equipment often call for drilled pier foundations, and we coordinate the geotechnical data, drilling, reinforcing and concrete placement. With a single team responsible for coordinating road, yard and foundation, the specialist installers find a site ready when they arrive.

Camps, drives and the long way around

Power sites are often an hour or more from a town of any size. Kemmerer sits at 6,949 feet with 2,415 residents, so crews bring housing, meals and transport plans with them. At Dave Johnston, in Glenrock, a PacifiCorp-owned coal station sits near I-25, which is much easier to reach. We plan labor logistics site by site, including remote camps when no lodging exists.

Distance changes cost, and it changes risk. A missed delivery can cost a crew a day, and a closed highway can cost two. Our data center and metals and heavy industry work follows the same pattern of long drives and fixed windows, and the lessons carry across.

Send the site and the outage dates

Tell us the site, the milestone dates and the safety requirements. We will tell you what road, pad and foundation work can be ready before your specialists arrive.

Common Questions

Can you work inside a live power plant?

Yes, under the owner's permit-to-work and lockout rules. We separate our work area with barriers, schedule noisy or dusty tasks around operations, and keep tie-ins for planned outages. The plant's operations lead has the final say on any change.

How should we plan for an outage window?

Work backward from the outage date. Foundations, conduit and structures should be complete before it starts, and long-lead items should be on site. We build a detailed hour-by-hour plan for the outage itself and rehearse it with the owner.

What do remote power sites do to cost?

They add travel time, lodging, fuel and a cushion of materials. Delivery delays are common on roads that close in winter. We price those items openly so you can compare sites on total cost, not just land or lease.

Do you build nuclear safety-related structures?

No. That scope belongs to licensed specialists. We build civil work and support structures that are not safety-related, and we coordinate access, laydown and utilities so the licensed contractors can work without delay.