Plant Design
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Coal
Southern Co. Kemper IGCC Delays, Cost Surges Are Under SEC Scrutiny
The U.S. Securities and Exchange Commission (SEC) is conducting a formal investigation concerning costs and delays plaguing Mississippi Power’s Kemper integrated gasification combined cycle (IGCC) plant. Southern Co., Mississippi Power’s parent company, revealed the investigation in a recent 10-Q financial filing. The company said that while it is fully cooperating with the SEC, it believes the […]
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O&M
Core Shroud Head Bolt Retainer Tool Saves BWRs Time and Money
A new tool that can be used to help ensure the proper positioning of core shroud head bolt assemblies in boiling water reactors (BWRs) was recently invented by Jason Cocke, engineering, tooling, and logistics
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Nuclear
A Supercritical CO2–Cooled Small Modular Reactor
A small modular reactor (SMR) system that uses a supercritical carbon dioxide (CO2) Brayton cycle instead of the steam Rankine cycle is under development at the Korea Advanced Institute of Science and
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O&M
Battery-Monitoring System Improves Safety, Reliability, and Efficiency
When management decided to purchase and install a new, vented lead-acid battery system at the Dogwood power plant, decision-makers also investigated the benefits of adding a continuous battery-monitoring
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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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O&M
Resilience and Change in a Digital Future
Two senior power sector executives opened the 2016 ELECTRIC POWER Conference and Exhibition in New Orleans April 19 with a message that generators need to “think big” and embrace possibilities of disruptive technologies—or risk being run over on the road to the future. Leo Denault, chairman and CEO of Entergy Corp., delivered the opening keynote […]
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Commentary
Is EOR a Dead End for Carbon Capture and Storage?
In April’s editorial, “When Technology Tails Wag Power Dogs,” Editor Gail Reitenbach mused about whether the use of captured carbon dioxide (CO2) for enhanced oil recovery (EOR) represents a viable way forward for carbon capture, use, and sequestration (CCUS). This is a subject both of us have covered in various ways over the past few […]
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Coal
Kemper County IGCC Costs Rise and Delays Loom—Again
In what has become a regular occurrence with the Kemper County integrated gasification combined cycle power plant, Mississippi Power announced in a filing with the Securities and Exchange Commission on April 1 that costs have risen from the most recent projections and further delays in its in-service date are possible. Though the $18 million in […]
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O&M
Covered Piping Systems O&M Programs for CCGT Plants
A great level of risk is present when operating pressurized systems. Over the years, industry safety concerns have increased with the occurence of catastrophic events. To help prevent further loss and damages
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O&M
Solar PV O&M Best Practices in a Rapidly Changing Market
In 2000, the world had installed just 1 GW of solar photovoltaic (PV) capacity (in DC terms—see the sidebar, “AC or DC?”), a number that had surged to 39 GW by 2010 and 176 GW in 2014. Fueled by