Research and Development
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Energy Storage
First Year in Operation: Performance Lessons From a 100-MW/400-MWh CAISO Battery
Battery energy storage promises fast response, grid flexibility, and predictable output, yet most discussions rely on modeled projections rather than actual operating data. This article presents first year performance results from Caballero, a 100-MW/400-MWh battery energy storage system (BESS) active in the California Independent System Operator (CAISO) grid since early 2025. It also examines a […]
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advanced nuclear
Aalo Atomics’ Test Reactor Reaches Criticality at INL, Fourth DOE-Authorized Advanced Reactor by July 4
Aalo Atomics’ Aalo-X Critical Test Reactor (CTR)—dubbed “Project First Light”—has reached criticality at Idaho National Laboratory (INL), marking the fourth Department of Energy (DOE)–authorized advanced reactor startup under the federal push to accelerate reactor testing and demonstration. The U.S. Department of Energy (DOE) said July 6 that Aalo’s test reactor, which DOE referred to as […]
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Nuclear
AMPERA Produces First 3D-Printed Nuclear Reactor Module
Advanced energy technology group AMPERA announced the company has completed production of what it called the first full-scale, 3D-printed nuclear reactor module.
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Legal & Regulatory
NRC Proposes Landmark Reactor Licensing Overhaul, Bundling Decades of Modernization Into One Rule
The Nuclear Regulatory Commission (NRC) has proposed what may be its most consequential reactor-licensing overhaul in a generation, a 553-page rulemaking that seeks to rewrite core pieces of the regulatory framework governing how commercial nuclear plants are sited, licensed, built, modified, operated, renewed, fueled, and ultimately decommissioned. Issued July 1, the proposed rule, “Modernizing Reactor […]
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Full Coverage
Deployable Energy’s Unity Nuclear Reactor Achieves Criticality at INL, Third Under DOE Nuclear Push
Deployable Energy’s Unity demonstration reactor has achieved criticality at Idaho National Laboratory (INL), making it the third Department of Energy (DOE)–authorized advanced reactor to reach the milestone ahead of the July 4 deadline set under President Trump’s May 2025 nuclear executive order. The U.S. DOE on July 1 said Deployable Energy’s Unity reactor completed a […]
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Data Centers
Blue Energy, GE Vernova Advance ‘Gas Bridge’ Model to Unlock Nuclear Finance
At a recent energy conference, power sector stakeholders agreed the looming fleet of hyperscale data centers will require vast amounts of clean, firm capacity. But while nuclear looks like the most plausible
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Nuclear
NRC Charts a Disposal Path for Nuclear Waste Stuck at a ‘Dead End’
For decades, the most radioactive category of low-level waste in the U.S. has had a disposal plan that exists only on paper: a deep geologic repository that was never built. Late last week, the Nuclear Regulatory Commission (NRC) moved to replace that plan with one that can actually be licensed. The agency proposed a sweeping […]
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Geothermal
Ormat Bets on Standardization to Win the Geothermal Race
Electricity demand is climbing at a pace the power industry hasn’t seen in a generation, and the companies trying to feed it with geothermal energy are mostly racing in one direction: drill faster. Ormat Technologies is making a different bet. The company that has built and run geothermal plants for six decades thinks the constraint […]
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Geothermal
Geothermal Has Its Own Ghawar Fields—Nobody Is Looking for Them Yet
The global hunt for clean, always-on power is intensifying. Data centers powering artificial intelligence (AI) are signing long-term energy contracts at extraordinary speed. Against this backdrop, geothermal energy—carbon-free and available around the clock—is attracting serious capital for the first time in a generation.
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Gas
On-Demand Webinar: Simplifying real-time natural gas monitoring with integrated process Raman and flow measurement
Sponsored by:Thermo Fisher ScientificThis webinar explores an integrated approach to natural gas monitoring that combines real-time, in-line process Raman spectroscopy with advanced flow measurement and control. Process Raman technology provides continuous gas composition and heating value (BTU) measurements, while the flow computer platform delivers standardized flow calculations, operational monitoring, and remote visibility from wellhead to pipeline. Attendees will […]
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advanced nuclear
Valar Atomic’s Ward 250 Becomes Second Reactor to Go Critical Under DOE Pilot Program
Valar Atomics has achieved self-sustaining criticality and completed zero-power testing at Ward 250, its Gen IV tri-structural isotropic (TRISO)-fueled modular high-temperature gas reactor (HTGR), at the Utah San Rafael Energy Lab in Emery County. The project is the second advanced reactor to go critical under the Department of Energy’s (DOE’s) Reactor Pilot Program and the first DOE-authorized […]
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Research and Development
Quantum Sensor Ambitions: A New Horizon for Utility Innovation
Meeting the increasingly important but complex needs of the energy industry requires not only excellent design and engineering, but also advanced sensor capabilities that extend beyond the limits of current technology. A piece of the solution for enhanced technology will come from quantum sensors, which leverage quantum mechanics to deliver tools that will push past […]
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Commentary
Utilities Aren’t Afraid of AI, They’re Afraid of Bad AI
Utilities have long been accused of slow-walking innovation. Fair or not, the advent of artificial intelligence (AI) tools, and the subsequent wariness from those responsible for maintaining our most critical infrastructure, has only intensified that perception. But make no mistake: we’re in the midst of the most-rapid technological evolution of utilities in the power grid’s […]
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Coal
A New Coal Plant in the U.S.? Once Unthinkable, Now a Strong Maybe
A $350 million Department of Energy (DOE) coal-revival program has put $18.5 million toward the TerraSpark Energy Campus, a 1.6-GW greenfield project in West Virginia pairing Babcock & Wilcox (B&W) supercritical boilers with Mantel Capture’s molten borate carbon capture. In responses to POWER, developer TerraSpark laid out a 2030 startup target, a 95% to 98% […]
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Commentary
Wildfire Risk Is Rising. Electric Cooperatives Are Acting—Congress Must Too
Wildfires are no longer isolated disasters limited to the western United States—they are a growing threat to communities, infrastructure, and electric grid reliability nationwide. For the 42 million Americans served by electric cooperatives, the risk is especially acute. Co-ops power more than half the nation’s landmass, primarily in rural areas where wildfire danger is highest […]
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Technology
Advanced Weather Forecasting: How Sub-Kilometer Models Are Reshaping Utility Risk and Wildfire Decisions
As fire-weather risk expands beyond California, utilities are turning to sub-kilometer, asset-level forecasts to support public safety power shutoff decisions they can defend in front of regulators. When the National Weather Service (NWS) issued routine convective outlooks on the morning of May 27, 2025, public guidance for the Houston metro called for widespread 30 to […]
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T&D
How the Power Sector Is Bracing for a More Violent Climate
Utilities, federal agencies, and the national labs have finally assembled the tools to harden the grid against an increasingly hostile environment. The question is whether they can put them together fast enough. When a line of storms tore across the Northeast in late April 2025, racing from Ohio into central Pennsylvania, meteorologists recognized the signature […]
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Fusion
Pacific Fusion Touts Funding, Technical Achievements on Way to Fusion Power
Another U.S.-based energy company said its technology has achieved key performance metrics that advance its goal of commercial fusion by the mid 2030s. California-headquartered Pacific Fusion on June 2 said its core pulsed power technology is on track to achieve net facility gain by 2030. That’s the state where the “entire fusion machine produces more […]
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Solar
Design and Construction Planning of Solar Power Projects Under Extreme Weather Conditions
According to the State of the Global Climate 2024 report released by the World Meteorological Organization (WMO), the continued rise in global temperatures is driving a measurable increase in both the frequency and intensity of extreme weather events. Among these, tropical cyclones, including hurricanes and typhoons, as well as extreme precipitation events, have emerged as […]
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Nuclear
Thea Energy Raises $100 Million in New Funding to Advance Fusion Technology
New Jersey-based Thea Energy, one of several U.S. companies working to commercialize fusion energy, said the company has raised $100 million in Series B funding. Thea is advancing stellarator technology to provide baseload fusion power. The company, which has several investors, is moving toward beginning construction of its Helios power plant (Figure 1) by the […]
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Nuclear
More Nuclear-Powered District Heating Planned in Finland
Finnish energy group Steady Energy has signed a letter of intent with Alva-yhtiöt, the city of Jyväskylä’s water and energy group, to study the suitability of small-scale nuclear power as a source of district heating for the city.
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Interview
The POWER Interview: Quantum Computing’s Importance for Utilities and Power Generators
Dr. Remy Notermans, director of Strategic Planning for Atom Computing, a Boulder, Colorado-based group developing large-scale quantum computers, recently provided POWER with information about how quantum computing works. Notermans discussed how quantum computing can benefit electric utilities and the power generation sector.
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Commentary
Managing AI’s Footprint in a Carbon-Constrained World
Behind even the smallest convenience powered by AI is a massive surge of computing power for training models and inference. All that computing power requires energy.
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Technology
Star Catcher Raises $65 Million to Build First Power Grid in Space
Florida-headquartered Star Catcher Industries said it has raised $65 million in an oversubscribed Series A funding round, as the company continues its effort toward building the first space-based power grid. Star Catcher, based in Jacksonville, said the new investment—led by B Capital and co-led by Shield Capital and Cerberus Ventures, the venture arm of Cerberus […]
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Fuel
Beyond Carbon: How Emerging Fuels and Technologies Can Help
For years, the case for emerging fuels and technologies has often been told through the lens of decarbonization. That lens still matters, but it does not reflect the entire value proposition. Energy strategy is now being shaped by artificial intelligence (AI)/data centers, policy volatility, geopolitical disruption, supply-chain constraints, rising system complexity, and rapidly rising demand, […]
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T&D
77 Miles, One Drone: Rewriting the Rules of Infrastructure Inspection
Transmission corridors can be difficult to inspect, sometimes requiring helicopters and boots on the ground. A Daytona Beach, Florida, company is using drones to improve the process—at roughly a quarter of
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Renewables
Policy Problems Aside, Solar Continues to Shine
Industry analysts say faster construction timelines, along with lower energy costs, are fueling consistent growth in a solar power sector increasingly constrained by regulators.
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Energy Security
ZettaJoule Pursues a Second Act for Japan’s High-Temperature Nuclear Reactor
A Houston-based nuclear technology startup is advancing a high-temperature gas-cooled reactor (HTGR) design that targets outlet temperatures of 950C (1,742F)—well beyond the range of most advanced reactor
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advanced nuclear
DOE Opens Nuclear Energy Launch Pad and DOME Test Bed to Industry Applicants, Sets July 8 Deadline
Two days after naming its first four participants, the U.S. Department of Energy’s (DOE’s) National Reactor Innovation Center (NRIC) on April 29 issued a request for applications (RFA) for its Nuclear Energy Launch Pad, formally opening the program to a broader pool of advanced nuclear developers and setting a July 8, 2026, deadline for initial […]
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Nuclear
From Pilot to Launch: DOE Names First Four Nuclear Energy Launch Pad Developers
The Department of Energy’s (DOE’s) Office of Nuclear Energy and the National Reactor Innovation Center (NRIC) have announced the first four developers selected for the freshly launched Nuclear Energy Launch Pad—a restructured deployment-support initiative that succeeds the DOE’s Reactor Pilot Program and Fuel Line Pilot Program and broadens federal assistance to cover the full nuclear […]