O&M
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O&M
Three Companies Evaluate Natural Gas Unit Conversion to Hydrogen for Carbon Capture
Three major firms want to evaluate the possibility of converting a natural gas–fired power plant in the Netherlands into a hydrogen-powered plant to possibly capture its carbon emissions. Statoil
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O&M
The Importance of Maintaining Fly Ash Hopper Bin Level Monitoring
The power industry has a critical need to measure the bin level inside fly ash hoppers under electrostatic precipitators (ESPs). The inherent problem associated with these hoppers is that they are usually
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O&M
Capturing Carbon and Seizing Innovation: Petra Nova Is POWER’s Plant of the Year
Winning POWER’s highest honor, the U.S.’s first and world’s largest commercial post-combustion carbon capture system at a power plant is distinctively both a globally significant environmental
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O&M
Flexibility, Efficiency, and Low Emissions Make Repowered Facility a Success
The Glenarm Power Plant has been keeping the lights on around Pasadena, California, for more than 110 years. The historic site has expanded over time and has included a total of 17 different power generation
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O&M
Closed Circuit Reverse Osmosis System Squeezes Money Savings Out of Water Management
In water-strapped California, managing power plant water usage is more important than ever. Southern California Edison implemented novel closed circuit reverse osmosis systems at five of its gas-fired
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O&M
You’re Never Fully Dressed without Flame-Resistant Clothing
“Personal protective equipment (PPE) is inconvenient and uncomfortable, and this will only take a second. Besides, I’ve done this before, and it’s been fine every time. Will skipping PPE once really
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Connected Plant
PID Loop Tuning Pocket Guide Released
Proportional-integral-derivative (PID) control is one of the most common types of automatic control used in the power industry. A PID controller continuously calculates an error value as the difference between
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Legal & Regulatory
How to Develop a Values-Based Compliance Culture
A lot of different methods are available to encourage compliance with company policies and regulations, but some are more effective than others. One that has worked well for GE and its customers inspires
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O&M
Scaffold Safety in Coal-Fired Power Plants
Scaffolding typically ranks near the top of the U.S. Occupational Safety and Health Administration’s most-frequently cited standards. However, developing a strong safety culture and implementing an effective
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O&M
Energy Generation from A-to-Z with Machine Learning
The human brain is an amazing thing, but it has limitations. However, with the advent of machine learning, the limitations of the human brain no longer have to be the limitations of civilization. Machine
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O&M
How to Prevent Circulating Water Flow Reversal
Flow reversal in piping systems can degrade equipment performance and cause significant water hammer, potentially resulting in catastrophic failure. Power plant condenser cooling water systems—or circulating
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O&M
Borescope Inspection Saves Time and Money for Gas Turbine Plant
Inspecting the internal condition of a turbine generator is an important maintenance activity, but tearing a unit apart is a long and expensive process. Borescope inspections offer one way to minimize work
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O&M
Evolving Workforce and Safety Practices for Wind Farms
The renewable revolution has been a catalyst for the wind energy market during recent years, with the global wind market growing at an incredible pace. It’s estimated that over 1.1 million people work in the
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O&M
No Firm Date for Watts Bar 2 Return to Service Yet
Watts Bar 2, the Tennessee Valley Authority’s (TVA’s) nuclear unit that began commercial operation last October, has been shut down indefinitely owing to a major issue with a condenser revealed this March. TVA spokesman Jim Hopson told POWER on May 11 that the reactor—the first new nuclear unit to begin operations in the U.S. in more than […]
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O&M
3-D Printing: The Future of Manufacturing and Maintenance
Power plants are complex systems with countless moving parts, and in turn, countless opportunities for things to go wrong. With the advent of 3-D printing technology, repairing or replacing those moving parts
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O&M
Inlet Air Cooling Systems Improve Gas Turbine Performance
An inlet air cooling (IAC) system offers one of the most cost-effective ways to improve gas turbine (GT) performance—especially during the peak hours of hot summer months. After all, GT output depends on
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O&M
Newly Designed Deluge Valve Improves Functionality
Stanwell Power Station, a 1,460-MW coal-fired power plant located in Queensland, Australia, faced a dilemma. The reliability of its fire protection system was questionable. Many of the plant’s multiple jet
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O&M
GE Power Inks Its Largest Services Deal Ever
GE Power signed a landmark deal to provide operations and maintenance (O&M) services for 10 power plants with a combined capacity of 11 GW. Sonelgaz SPE, a state-owned utility in charge of electricity and natural gas distribution in Algeria, owns the facilities. The agreement includes technology upgrades designed to enhance energy efficiency—allowing more than 420 […]
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O&M
High-Performance Oil Reduces Varnish and Saves Money for Gas Turbine Power Plant
Varnish buildup in oil systems and components can degrade performance and cause erratic valve operation. Some experts have conducted research and formulated new lubricants that could help solve those problems. One such oil proved highly successful during a five-year run at a gas turbine power plant. By eliminating the need for oil changes and valve […]
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O&M
Dissimilar-Metal Weld Is a Misnomer
Most combined cycle professionals understand that a joint between grade 91 steel and an austenitic stainless steel is considered a dissimilar-metal weld. For that reason, it requires special welding
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O&M
Using Rotor-In Major Inspections to Shorten Outages and Drive Safety
Today, some F-class operators continue to opt for rotor-out major inspections, which are cumbersome and inefficient. They involve complex lifts and moves of the rotor, as well as the need for substantial space
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Connected Plant
The Future Is Now: Connected Power Plants Are Here
New technology is being used throughout the power industry to improve plant efficiency, predict trouble with degrading equipment, forecast weather trends, and train workers. A recent conference hosted by POWER
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O&M
Reducing Cycling Damage to Combined Cycle Steam Turbines
Cycling a combined cycle plant places additional stresses on all equipment, but the impacts extend beyond the gas turbine and heat recovery steam generator. Plant owners and managers are beginning to see
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Connected Plant
Facilitating Predictive Maintenance of Electrical Assets with Pervasive Sensing Strategies
Continuous condition-based monitoring of electrical conductors and insulation is an effective way to reduce required plant maintenance activities, cut operating costs, and prevent unplanned shutdowns
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O&M
Enhanced Boiler Defense Strategies for an Aging Coal Fleet
Cyclic operating conditions can be problematic for many coal-fired power plants that were designed to run as baseload units. Implementing a combustion and boiler performance management program can help ensure
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O&M
Strategies for Small Hydro Upgrades
Small hydro is becoming big business as ongoing technological advances make more small sites economic to exploit. Older plants can also see substantial output and efficiency gains by upgrading from decades-old
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O&M
Simplify Outage Planning to Increase Collaboration
Many elaborate planning tools are available to help managers prepare for power plant outages. However, there is something to be said for keeping things simple. One modest tool that some NRG Energy facilities
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O&M
The Oft-Neglected Isolated Phase Bus Deserves Your Attention
A power plant’s isolated phase bus is generally reliable, and therefore, maintenance is frequently overlooked. However, the system is too important to neglect. Assessing its condition during minor outages
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Connected Plant
Cybersecurity: Keeping Current on a Moving Target
What it means to have a secure energy generating facility has changed in recent years as the threat of cyberattacks grows. As the nation’s energy sector becomes increasingly interconnected, it is more
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Legal & Regulatory
U.S. Nuclear: From Hope to Despair
A decade ago, the annual Platts nuclear energy conference in Washington was brimming with optimism over a coming “nuclear renaissance,” as licensing requests poured into the Nuclear Regulatory Commission