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Wyoming is the largest coal-producing state in the country — the Powder River Basin in the northeastern part of the state supplies roughly 40% of the coal burned in U.S. power plants — and yet Wyoming's energy future is being written around the retirement of coal assets and their replacement with a combination of utility-scale wind, natural gas, and, most significantly, the world's first commercial advanced nuclear reactor. TerraPower's Natrium reactor project in Kemmerer, Wyoming, backed by Bill Gates and with a $1.9 billion DOE Advanced Reactor Demonstration Program award, is scheduled to begin construction in 2024-2025 with commercial operation targeted for 2030. The 345 MW sodium-cooled fast reactor, combined with a molten salt thermal energy storage system, will replace the capacity of the retiring Naughton coal plant on the PacifiCorp grid. PacifiCorp — Wyoming's dominant investor-owned utility through its Pacific Power and Rocky Mountain Power brands — serves most of the state's western and central load centers, with Black Hills Energy serving Cheyenne and the southeast corridor and Cheyenne Light, Fuel and Power serving the state capital. The Wyoming Public Service Commission (WPSC) regulates investor-owned utilities in a state where energy production accounts for more than 40% of state GDP, making energy regulatory decisions politically consequential in ways that differ from most states. The WECC reliability organization governs Wyoming's interconnection obligations and transmission planning. AI applications in Wyoming's energy sector are shaped by the transition context: predictive maintenance on an aging coal fleet that needs to remain reliable through its retirement date, SCADA modernization for a geographically sprawling grid serving very low population density, and the novel challenge of integrating a first-of-kind nuclear technology with operational AI requirements that don't yet have industry precedent.
Updated June 2026
PacifiCorp operates Wyoming coal plants that are simultaneously serving as the current backbone of the state's power supply and being planned for retirement. Jim Bridger Power Plant in Point of Rocks (four units, approximately 2,000 MW total), Dave Johnston Plant near Glenrock, and the Naughton Plant in Kemmerer are all in various stages of planned retirement or fuel conversion under PacifiCorp's 2025 Integrated Resource Plan. Managing these assets through their remaining service lives requires more AI investment, not less: a coal plant operating in its final 5-10 years has aging hardware that needs more predictive maintenance attention than a mid-life plant, and an unplanned outage during the reliability-critical period before replacement capacity is operational can be a significant grid and financial event. PacifiCorp's wildfire liability in Oregon and California (multiple billions in exposure from Pacific Northwest wildfires) has driven enterprise-wide AI investment in transmission asset monitoring that benefits Wyoming's grid infrastructure as part of PacifiCorp's system-wide modernization. The Bridger Plant's proximity to the Wyoming Gas Pipeline Company infrastructure and the Jonah Gas Field's production creates an interesting operational context: the plant's fuel supply, workforce, and grid role are all part of a larger Wyoming energy ecosystem that AI grid analytics need to model holistically. Black Hills Energy's Cheyenne service territory includes F.E. Warren Air Force Base — the Air Force's primary ICBM base and a large military power consumer — creating a critical infrastructure reliability obligation that justifies advanced SCADA monitoring and predictive maintenance on distribution equipment serving the base's circuits. The Wyoming PSC approved Black Hills' 2024 rate case with provisions for distribution system upgrades that include smart metering and SCADA modernization in the Cheyenne service area.
TerraPower's Natrium project in Kemmerer is the most consequential energy project in Wyoming's history, and it creates AI application requirements that are genuinely unprecedented. The Natrium design — a 345 MW sodium-cooled fast reactor paired with a 1,000 MWh molten salt thermal energy storage system — is designed to dispatch flexibly, ramping its effective output from 345 MW to 500 MW over four hours by drawing on stored thermal energy. This dispatchability makes the Natrium system behave more like a gas peaker than a conventional nuclear baseload plant, and the AI control systems needed to manage the sodium-salt thermal interface are being developed by TerraPower and its partners with significant DOE input. WECC's reliability standards require that new resources perform as described in their interconnection agreements — the Natrium system's novel operating profile needs AI-based performance monitoring that can validate actual dispatch behavior against the modeled behavior that WECC accepted in interconnection studies. The control system challenge is significant: liquid sodium is more reactive than water, and the balance-of-plant AI monitoring systems need to detect sodium-water interaction risks, pump performance degradation, and heat exchanger fouling patterns that have no direct analog in the existing nuclear fleet's operational data. TerraPower is leveraging operational data from EBR-II, the Experimental Breeder Reactor II that operated at Idaho National Laboratory from 1964 to 1994, as the primary training dataset for sodium system AI models — the longest-operating sodium-cooled fast reactor in history provides decades of anomaly-event data. PacifiCorp has an agreement to take Natrium's power output, which means PacifiCorp's Energy Management Center in Portland will need SCADA integration with a generation type it has never operated before. That integration challenge is itself an AI implementation project that is underway.
Wyoming's low population density — roughly 6 people per square mile, making it the least densely populated state in the continental U.S. — creates grid operational challenges that urban-centric AI tools consistently underserve. Transmission lines in Wyoming span hundreds of miles with minimal customer load between substations; distribution feeders serving ranch and agricultural customers run 30-50 miles from the nearest substation. Outage detection and fault location on these rural feeders is a persistent operational problem: customers may not report outages because they have backup generation, and field crews can drive for hours to find a fault that better monitoring would have located in minutes. AI-based fault location tools that triangulate fault position from impedance data at multiple substation measurement points are well-suited to Wyoming's geography and have been piloted on rural feeders in PacifiCorp's southwest Wyoming service territory. Wyoming's wind resource is among the best in the country — the corridor from Cheyenne north through Casper and east toward Gillette hosts some of the highest-capacity-factor wind sites in the Western Interconnection, and PacifiCorp has integrated over 2,000 MW of Wyoming wind into its portfolio. AI wind forecasting for Wyoming's High Plains sites uses terrain-adjusted wind models that account for the barrier effect of the Laramie Range and the channeling effect of the Shirley Basin — standard NOAA GFS forecasts perform poorly on Wyoming wind site output because they lack the spatial resolution to capture these terrain-driven wind patterns. The Wyoming Infrastructure Authority has been an active advocate for additional transmission capacity to export Wyoming wind to population centers in Colorado and the Pacific Coast — the TransWest Express project, a 3,000 MW DC transmission line from Wyoming to Nevada, is under development and its dispatch optimization will require sophisticated AI generation scheduling that accounts for Wyoming wind output forecasts alongside receiving-end demand needs.
Connecting AI systems to existing business infrastructure and workflows
Workflow automation using AI, including Make.com-style automation and RPA
Predictive models, data analysis, and ML pipeline development
Image recognition, object detection, video analysis, and visual inspection systems
PacifiCorp is deploying AI predictive maintenance on Jim Bridger, Dave Johnston, and Naughton plant systems that are critical to maintaining capacity factor through retirement dates. The focus is on turbine-generator condition monitoring (vibration analysis, oil chemistry trending, thermal performance), boiler and pressure-part inspection scheduling, and cooling water system monitoring. The commercial case is retirement-date management: an unplanned outage at a Wyoming coal plant in its final operational years can require expensive short-notice replacement power purchases from the WECC market or trigger capacity market penalties in PacifiCorp's bilateral agreements. Predictive maintenance AI that extends planned outage intervals and reduces forced outage rate typically delivers $2-5 million in avoided cost per unit per year during the final 5-year pre-retirement window.
The Natrium system's molten-salt thermal storage component allows it to dispatch output flexibly between 345 MW and 500 MW on a 4-hour ramp — behavior that no existing nuclear plant exhibits and that WECC and PacifiCorp's Energy Management Center have no operational precedent for. The AI integration challenge is twofold: TerraPower needs AI control systems for the sodium-salt thermal interface that have no existing operational training data (they're using EBR-II's 30-year operational history as the primary dataset), and PacifiCorp needs SCADA and dispatch integration with a generation asset that behaves unlike anything in its current fleet. The DOE's Advanced Reactor Demonstration Program funding includes requirements for performance monitoring and data sharing that create a public dataset for future AI model development as the Natrium system accumulates operational hours.
The Powder River Basin coal phase-down is happening at two levels: mine production is declining as power plant retirements reduce coal demand, and the Wyoming grid is replacing coal capacity with gas, wind, and eventually nuclear. For coal plant operators, AI investment remains justified during the retirement transition because the financial exposure from forced outages increases as the plants age and replacement capacity is not yet operational. For mine operators (Arch Resources, NACCO Industries' Westmoreland Coal), AI is being applied to mine safety monitoring, equipment maintenance scheduling, and transportation logistics as they manage declining production volumes while maintaining worker safety on aging equipment.
AI-based fault location and distribution monitoring for a Wyoming rural feeder (30-50 miles, serving 200-500 customers) typically costs $50,000-$150,000 for instrumentation and cloud analytics per feeder corridor, with USDA ReConnect and REAP grants offsetting 40-50% for qualifying rural utilities. The ROI case is driven by crew response cost reduction: a Wyoming rural feeder fault that requires a 3-hour round-trip to locate and 6 hours to repair costs $2,000-$5,000 in field crew time per event, and AI fault location that narrows the search area from 40 miles to 5 miles can cut that cost by 60-70%. Wyoming Electric Cooperative Network members have accessed USDA REAP funding for similar distribution technology investments since 2022.
PacifiCorp's wind forecasting for its Wyoming portfolio uses a combination of commercial numerical weather prediction services (DTN, The Weather Company) and terrain-adjusted mesoscale models that account for the Laramie Range and Shirley Basin wind channeling effects that standard GFS forecasts miss. The day-ahead wind forecast accuracy for Wyoming's High Plains sites has improved from roughly 12% mean absolute error in 2018 to under 8% in 2024 using these enhanced terrain-corrected models. PacifiCorp's Balancing Authority Area uses AI-based unit commitment optimization that schedules Wyoming wind, hydro, and thermal resources jointly against PacifiCorp's load forecast and available interchange with neighboring BAs — the coordination is managed from PacifiCorp's Portland Energy Management Center and covers Wyoming generation dispatch decisions in real time.
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