BONUS DISTRIBUTION
Energy Storage Conference, April 16-18, Phoenix, Ariz.
LDC Gas Forum Southeast, April 16-18, Atlanta, Ga.
Electric Power Show Issue, April 23-26, Las Vegas, Nev.
PRB Coal Users’, April 23-26, Las Vegas, Nev.
HRSG Users’ Group Conference, April 23-26, Las Vegas, Nev.
CTOTF Spring, April 28-May 2, St. Augustine, Fla.

   
2019 MEDIA KIT IS NOW AVAILABLE
   
COVER FOCUS: Operations and Maintenance
Managing Thermal Quench Damage at CCGT Plants
Most large combined cycle gas turbine (CCGT) power plants are equipped with attemperation equipment to control steam temperatures. The downside of this type of setup is that high-temperature piping exposed to spray water can be damaged by thermal quenching/shock. Three case studies are presented in this article describing ways to manage risks and mitigate ill effects.

Valve Trim Extends the Life of Boiler Feedwater Valves
Some combined cycle power plants are starting and stopping more than 250 times a year. While the ability to cycle a large plant is ideal for fleet flexibility, frequent startups and shutdowns strain many critical components and adversely affect the lifespan of equipment, including feedwater valves. However, retrofit trim packages that alter the performance characteristics of feedwater valves are available to reduce damage caused by cycling.

Improving Safety and Efficiency with Reality Capture
Reality capture uses laser scanning hardware to record the as-built conditions of any environment in a series of scans. These scans, once stitched together, create a holistic picture of structures, equipment, and clearances. Optimizing designs, reducing costs, and improving safety are all improved exponentially through the accuracy and detail of reality capture.
     

FEATURES

Demand for Gas Grows Globally, Despite U.S. Slowdown
The pace of growth for power generation from natural gas has slowed in the U.S., as renewables take market share and more utilities move away from fossil fuels. Global demand growth remains strong, thanks to China, India, Southeast Asia, and the European Union, where low prices for gas give it superior economics to coal. Analysts who talked to POWER say the U.S. will help fuel global demand, though, as exports of liquefied natural gas ramp up.

The Economic Thicket of Generating Cost Comparisons
Comparing the costs of different electric generating technologies has become popular among advocates for particular technologies and those seeking to find the optimum approach to new generation. “How much does it cost?” seems like a simple question, but when it comes to competing power solutions, it’s an extremely gnarly proposition. This article dives into levelized cost of energy calculations.

Optimizing Kaplan Turbine Efficiency with Minimal Cost, Effort, and Time
When the blades of individual Kaplan turbines are not continuously adjusted to achieve peak efficiency, it can result in unnecessarily high mortality of downstream migrating fish. However, a new best-science method of index testing is available to achieve this continuous optimum efficiency, which simultaneously improves fish passage of downstream migrants, increases service life of existing turbine-generating equipment, improves power generation, and increases revenue from power operations.

Is a Faster-Than-Real-Time Energy Management System Within Reach?
Creating a faster-than-real-time energy management system (EMS) is a huge challenge for the power industry. In order to be considered faster-than-real-time, the EMS must be capable of executing within a supervisory control and data acquisition (SCADA) sample cycle—typically five seconds. To date, no commercial EMS has been able to perform at such levels, but a new prototype system has achieved faster-than-real-time performance, and it’s been verified by provincial power system cases.

Controlling Boiler Level When Operating Conditions Change
Many thermal plants were designed for baseload operation, running for days and weeks at a time with minimal load changes, but now, they ramp up and down on a regular basis to balance intermittent production from renewables. This demands more sophisticated control to maintain efficiency over a wider operating range. The right drum level instrumentation is key to keeping boilers on an even keel. Guided-wave radar offers a critical combination of capabilities.

CTOTF Innovation Excellence Award Winners Are Outstanding Performers
The Combustion Turbine Operations Technical Forum (CTOTF) has established an annual awards program to recognize “Innovation Excellence” in the operation of combustion turbines. Awards are given to owners and/or operators of simple cycle or combined cycle power plants in the following categories: operational excellence, technical excellence, management and process excellence, maintenance excellence, safety process excellence, and environmental stewardship excellence. The awards will be presented at the CTOTF Spring Conference and Trade Show in St. Augustine, Florida, April 28–May 2, 2019. This article will highlight winners’ accomplishments that led to their selection.
     

SHOW PREVIEW
ELECTRIC POWER Conference + Exhibition
POWER features a show preview section in selected issues throughout the year. This month, the ELECTRIC POWER Conference + Exhibition will be the focus. The event will be held April 23–26, 2019, at The Mirage Events Center in Las Vegas, Nevada. If your company is exhibiting at the event and would like to submit a press release to be considered for free inclusion in this section, send a 150-word write-up to editor@powermag.com with details about the company and products or services provided. Please include a high-resolution copy of your company’s logo and write “EP Show Preview” in the subject line of your email.
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ENHANCE YOUR BRAND WITH PARTICIPATION AT THESE UPCOMING POWER EVENTS. CONTACT YOUR SALES REPRESENTATIVE FOR COMBINATION ADVERTISING AND SPONSORSHIP PACKAGES.

Connected Plant Conference
Feb. 25-28, 2020, Atlanta, GA
Sponsorship Opportunities
ELECTRIC POWER Conference & Exhibition
April 21-23, 2019, Las Vegas, NV
Exhibit Opportunities
Distributed Energy Conference
October 30 - November 1, Golden, CO
Sponsorship Opportunities
LDC Gas Forums
Southeast, Northeast, Mid-continent, Gulf Coast, US-MEX
Sponsorship Opportunities
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The Evolution of Search: 3 Things to Know in 2019
   
Declining Consumer Confidence and Privacy Regulations
   
Q&A: Using Data to Power Human Connections
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