Technology
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Gas
Two SCE Gas-Battery Hybrid Projects Revolutionize Peaker Performance
For deploying a novel, groundbreaking gas-battery hybrid technology along with environmentally significant upgrades within a tight installment window, and despite logistical hurdles, Southern California
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O&M
Upgraded Boiler Feedwater Pump Improves Efficiency and Adds Flexibility
Times have changed. Not long ago, baseload units came online and went straight to full load for days on end. Now, those same units are being asked to cycle operations to accommodate for variable renewable
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Research and Development
Useful Tips for Designing Thermal Insulation Systems
Thermal insulation is installed on almost every piping system and much of the plant equipment at power generation facilities. It not only saves energy, but also protects workers, reduces noise, helps protect
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Commentary
Fuel Cells: Key to Our Electric Energy Future
For more than 20 years, I have been championing the use of fuel cell powered cars to connect the natural gas distribution network of this country with the electric distribution network, making them partners in
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Infographics
What 10 Charts from the DOE’s Grid Study Reveal About the State of U.S. Power
The Department of Energy’s (DOE’s) new grid study is based on analyses of federal government data collected between 2002 and 2017, a period it notes fostered critical developments in the nation’s power sector. Here are some of report’s most thought-provoking charts. [gss ids=”109885,109881,109883,109877,109865,109867,109869,109875,109873,109871″] For an in-depth analysis about the DOE’s grid study, see: DOE Grid Study Points Finger […]
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Coal
Mississippi Power Will Absorb Costs for Failed Kemper Gasification Project
A settlement Mississippi Power reached on August 21 with stakeholders of the Kemper County facility will ensure customers won’t be subjected to rate increases associated with the now-abandoned gasification portion of the project. While that will affect revenues, the resolution could soften controversy surrounding the project and avoid protracted legal and financial turmoil, the company […]
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Legal & Regulatory
Cost to Complete Vogtle AP1000 Nuclear Units Could Balloon to $20B
Costs to build the two Vogtle AP1000 units under construction in Georgia could range between $18.3 billion and $19.8 billion—and for now, Southern Co. is pinning its hopes to complete the project on approval from the Georgia Public Service Commission (PSC). Southern Co. CEO Tom Fanning told investors in a second-quarter earnings call on August […]
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O&M
Design Tomorrow’s Combined Cycle Power Plant Using Previous Lessons Learned
Today’s construction boom in the combined cycle/cogeneration sector is great news for suppliers of gas turbines (GTs), heat recovery steam generators (HRSGs), and engineer-procure-construct (EPC) services. But before this boom advances from artist’s sketches (Figure 1) to first fires, the designers of all those next-generation combined cycles should pause to reflect on the lessons learned […]
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O&M
A Proactive Program to Mitigate Coal Dust Reduces the Risk of Explosions
Coal, by its very nature, is a dusty fuel. That poses a serious risk at coal-fired power plants, because coal dust can be highly explosive. However, actions can be taken to reduce the risk. Implementing strict
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O&M
3-D Laser Scanning of Nuclear Plant Piping Systems Reduces Radiation Exposure
It’s no secret that high-radiation areas are scattered throughout nuclear power plant facilities. The challenge is getting work done in those areas while keeping exposure to workers as low as possible. On
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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
Ameren’s TAC Microgrid Seamlessly Integrates Distributed Energy Resources
The microgrid installation at the Ameren Illinois Technology Applications Center (TAC) near the University of Illinois campus in Champaign—designed, engineered, and constructed by S&C Electric Co. of
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O&M
Collaboration and Innovation Produce a Powerful Microgrid Solution
The challenge was to take a facility that was far off the grid, and move it forward as an energy self-sufficient complex while also turning an idea into a commercially viable product. That was the impetus
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History
Microgrids: An Old Concept Could Be New Again
Self-contained, small islands of electric generation, storage and distribution inside the existing grid–microgrids–could be the next big thing in electricity. But some argue they may be just another
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O&M
Stepping Up Cybersecurity: Power Producers Move Ahead
The energy sector has been hit with almost one-third of the cyberattacks against U.S. industrial facilities in recent years. It is among the top issues, along with reliability, environmental regulations, and
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Renewables
New Jersey Backs Studies for Microgrid Projects
New Jersey officials this week said the state’s Board of Public Utilities is funding feasibility studies for a series of microgrids across the state that could provide needed power to municipalities at times of critical need, such as after a natural disaster. The board said the idea is designed to further the State Energy Master […]
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Coal
Retrofitting Electrostatic Precipitators to Meet Current Emission Limits
Electrostatic precipitators (ESPs) offer a tried-and-true technology for particulate matter control. However, existing ESPs can be challenged to meet the latest regulatory requirements. Retrofitting power
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Infographics
Humboldt Bay Generating Station: A Case Study in Emissions Control Troubleshooting
It can be a challenge to keep emissions in check while operating dual-fuel reciprocating engine technology during low-load conditions. However, doing so is especially important under California’s strict
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Infographics
New Capture Technology Holds Key to Reaching Carbon Emissions Targets
Some naysayers have argued that developing carbon capture technology for use on fossil-fueled power plants is pure folly. But research and pilot tests have continued nonetheless, and various solutions have
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Legal & Regulatory
Particle Sizing in Emissions Samples by Scanning Electron Microscopy
With low particulate loading common in stack emissions these days, particulate matter measurement can be difficult using traditional techniques. Microscopical measurement of particle-size distributions offers
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Infographics
Technological Advancements in Cooling Water Treatment
Regulatory agencies are becoming more and more critical of phosphorus-based water treatment chemicals because they can have a negative impact on lakes and waterways. In the past, treating cooling water with
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Infographics
How China Is on the Leading Edge of Environmental Technologies
Coal proponents and climate skeptics often cite China’s current and future reliance on coal power to bolster talking points. What is little discussed is the recent, massive transformation of China’s vast
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Renewables
The Latest in Thermal Energy Storage
As renewables gain a greater foothold in the energy system, the importance of energy storage is going to increase in kind. With the ongoing gradual shift away from traditional baseload energy sources, the
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Coal
Researchers: Power Plant Carbon-Capturing Calcium Carbonate Looping Technology Almost Market-Ready
A novel demonstration underway at Technische Universität Darmstadt (TU Darmstadt), a research university in Darmstadt, Germany, has shown a calcium carbonate looping (CCL) technology retrofitted at existing
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Renewables
Researchers Develop Hybrid Salinity Gradient Power Technology
A hybrid technology created by researchers at Penn State University could be the breakthrough needed to advance efforts to produce power based on the salt concentrations between two water sources. Researchers
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Infographics
Advanced Turbine Dynamics Monitoring System Proven Effective
Grid behavior in today’s power generation environment is a stochastic system that is more variable than in the past. One common issue is the response to economic dispatch, in which formerly baseload thermal
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Coal
Improved Maintenance Strategy and Excellent Planning Turns Coal Plant into a Top Performer
Southern Co.’s Plant Scherer was chosen as the 2017 Powder River Basin Coal Users’ Group Plant of the Year based on a rigorous selection criteria, including safety, fire protection, and risk reduction
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Nuclear
Court Dismisses Westinghouse Claim for $2B Recovery from CB&I
More grim news emerged for financially strapped Westinghouse after the Delaware Supreme Court reversed a chancery court decision that the company was counting on to recoup $2 billion from an acquisition dispute with Chicago Bridge & Iron (CB&I). The court rejected Westinghouse’s contention of CB&I’s calculations of its final purchase price—even though it paid […]