Latest
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Nuclear
Nuclear Reactor Baffle Bolt Problems Are Widespread Concern
Public Service Enterprise Group (PSEG) anticipates extending Salem Nuclear Generating Station’s Unit 1 refueling outage, which began on April 14, so it can inspect, repair, and replace damaged baffle bolts within the plant’s reactor vessel, according to information presented in the company’s first quarter earnings announcement. A PSEG spokesperson told POWER that visual inspections at […]
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O&M
NRC Approves Measurement-Related Uprate at Duke Energy’s Catawba Reactor
Duke Energy’s request to increase the generating capacity of Unit 1 at its Catawba Nuclear Station by 1.7% by more precisely measuring feedwater flow has been approved by federal regulators. Staff at the Nuclear Regulatory Commission (NRC) found on May 4 that Duke Energy could safely increase the reactor’s output “primarily through more accurate means […]
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Coal
Dynegy to Shut Down 30% of Southern Illinois’s Power Generation Capacity
Dynegy Inc. announced on May 3 that it plans to shut down multiple Illinois coal-fueled units due mainly to the failure of the plants to recover basic operating costs in recent Midcontinent Independent System Operator (MISO) capacity auctions. According to the company, the generation that will be lost is 2,800 MW—about 30% of the total […]
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Energy Storage
Practical Considerations for Siting Utility-Scale Battery Projects
Getting the most cost-effective use out of a battery storage system isn’t just a matter of plug-and-play. Where and how you site a battery can make a big difference in how well it does its job. Several battery experts who spoke to POWER explain what you need to think about. So you want to buy […]
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O&M
The Importance of Including Balance-of-Plant Systems in Condenser Maintenance
Keeping a power plant’s surface condenser in proper working order requires paying attention to balance-of-plant systems as well. Failure to monitor and maintain cooling towers and vacuum pumps in particular can lead to performance penalties or worse. The surface condenser at a power plant has a significant effect on power generation—specifically, the efficiency with which […]
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IIOT Power
Are Open System Controls Coming to Power Plants?
In the information technology world, open-source platforms and software, as an alternative to proprietary ones, have long been commonly accepted. In process controls, not so much. That could be changing if some large customers have their way. For decades, the norm with industrial plant distributed control systems (DCS) has been that you buy a proprietary […]
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Instrumentation & Controls
Why Power Generators Can’t Ignore the Ukraine Cyberattack
Although the December attack on Ukraine’s power infrastructure mostly affected the distribution grid, generators are just as vulnerable to cyberattack, in part because they tend to rely more on outside contractors working remotely. Here’s the latest on the attackers’ path and methods, areas in generation that are potentially vulnerable, and recommendations to address the vulnerabilities. […]
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Commentary
Thriving During the Energy System Transition
Today’s energy system is ripe for disruption. Whoever designs the next generation of energy systems will own the platforms that will enable tomorrow’s products and lock in the emerging consumer base from the developing world. This disruption will be as great as the shift from whale oil to rock oil, altering the energy landscape permanently. […]
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Coal
Dominion Resources Broadens Its Reach
Dominion Resources, a large electric and gas utility holding company serving mostly Virginia and North Carolina, has big ambitions to spread its wings nationally and internationally in gas, while carefully hedging its electricity business. The company’s strategy is eclectic. “Eclectic.” Miriam-Webster’s Collegiate Dictionary, 11th Edition, defines the word as “1: selecting what appears to be […]