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Photo of the Week

01 / 16

Air Quality Control

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Louisville Gas & Electric's 1,472-MW coal-fired Mill Creek Generating Station undertook one of the largest air-quality control system installations in the United States, upgrading equipment on all four of the plant's units.</p> <p align="right"><i>Photo courtesy: LG&E</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-1/features/best-new-projects-of-2016.html" target="_blank" rel="noopener noreferrer">BEST NEW Projects of 2016</a></p> <p style="margin-left: 40px; font-size: 15px;"><b>By Tim Miser,</b> <i>Associate Editor</i><br> The winners of the 2016 "Projects of the Year" (POTY) awards were announced Dec. 13 in front of a capacity crowd during the keynote session at POWER-GEN International in Orlando, Florida. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-120/issue-12/features/power-plant-performance-in-2015.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

02 / 16

CHP Plants

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The Battleground Cogeneration Expansion Project required the upgrade and relocation of a 25-year-old combustion turbine generator from one existing plant to a location within a neighboring operating chemical plant.</p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-9/features/evaluating-chp-projects-benefits-and-challenges.html" target="_blank" rel="noopener noreferrer">Evaluating CHP Projects: Benefits and Challenges</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Ajay Kasarbada and Andy Trump</b></i> <br> According to the U.S. Department of Energy (DoE), the 2016 U.S. electricity markets included 81 gigawatts of installed combined heat and power (CHP) capacity in approximately 4,300 industrial and commercial facilities. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-9/features/evaluating-chp-projects-benefits-and-challenges.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

03 / 16

Carbon Capture

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The Petra Nova project applies carbon capture technology to an existing coal-fired power plant near Houston to capture 1.6 million tons of CO2 per year. The project, which was completed in January 2017, will capture 90 percent of the CO2 emissions from a 240-MW slipstream of flue gas off of Unit 8.</p> <p align="right"><i>Photo courtesy: NRG Energy</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-120/issue-12/features/petra-nova.html" target="_blank" rel="noopener noreferrer">Petra Nova</a></p> <p style="margin-left: 40px; font-size: 15px;"><b><i>By Anthony Armpriester and Ted McMahon</i></b><br> World's Largest Post-combustion Carbon Capture Project Nearing Completion <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-120/issue-12/features/petra-nova.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

04 / 16

Coal Construction

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Cold weather tenting for the Atkinson Heat and Power Plant retrofit project at the University of Alaska Fairbanks campus. The plant is being overhauled at a cost of $245 million. </p> <p align="right"><i>Photo courtesy: Stanley Consultants</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-5/features/don-t-freeze-in-the-dark.html" target="_blank" rel="noopener noreferrer">Don't Freeze in the Dark</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By John Solan, P.E., Mike Ruckhaus, P.E., and Chilkoot Ward, P.E.</b></i> <br> On a quiet Friday at 5 p.m. in December, 1998, the outdoor thermometer at the University of Alaska Fairbanks showed minus 20 degrees Fahrenheit. Inside the UAF Atkinson power plant, an aging tube in the Unit 1 power stoker burst under 625 pounds per square inch of pressure, filling the facility with steam. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-5/features/don-t-freeze-in-the-dark.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

05 / 16

Combined Cycle Plants

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The high dispatch efficiency of the Irsching Combined Cycle Power Plant in Germany leads to lower CO2 emissions and the flexibility required to firm renewables.</p> <p align="right"><i>Photo courtesy: Siemens Energy</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-6/features/dispatch-efficiency.html" target="_blank" rel="noopener noreferrer">Dispatch Efficiency</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>by Bonnie Marini, Phd</b></i> <br> A New Way to Look at the Economics of Modern Flexible Combined Cycles <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-6/features/dispatch-efficiency.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

06 / 16

Combined Cycle Plants

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Cane Run, a 640-MW natural gas combined cycle unit owned and operated by Louisville Gas & Electric, was completed in June 2015 and features two SGT6-5000Fee gas turbines from Siemens, a Siemens SST6 5000 steam turbine and a heat recovery steam generator from Vogt Power International. </p> <p align="right"><i>Photo courtesy: Black & Veatch</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-3/features/fast-start-combined-cycles-how-fast-is-fast.html" target="_blank" rel="noopener noreferrer">Fast Start Combined Cycles: How Fast is Fast?</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Mike Eddington, Mark Osmundsen, Indrajit Jaswal, Jason Rowell, and Brian Reinhart</b></i> <br> In recent years, the term "fast start" has become commonplace in the power generation industry. Specifically, many new combined cycle units being conceptualized or designed incorporate elements of fast start. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-3/features/fast-start-combined-cycles-how-fast-is-fast.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

07 / 16

Emissions Control

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Longview unit 1 is the most efficient coal-fired plant in the U.S. with a best-in-class heat rate of 8,900 Btu/kWh (9,390 kJ/kWh). Longview's advanced supercritical boiler, low cost fuel source, and other project efficiencies combine to produce the lowest cost of dispatch of any coal-fired plant in the PJM region.</p> <p align="right"><i>Photo courtesy: Longview Power</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-2/features/performance-improvements-through-intelligent-sootblowing-optimization.html" target="_blank" rel="noopener noreferrer">Performance Improvements through Intelligent Sootblowing Optimization</a></p> <p style="margin-left: 40px; font-size: 15px;"><b>By Jared Custer and Timothy A. Fuller</b><br> The Longview Power plant is the newest coal-fired plant in the 13-state PJM Interconnection. The plant was commissioned in December 2011 following construction by a consortium of Siemens Power Generation Inc. and Aker Kvaerner Songer Inc. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-2/features/performance-improvements-through-intelligent-sootblowing-optimization.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

08 / 16

Optimizing Output

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Each Turbophase module is self contained in an 8-ft. x 40-ft. sound attenuated enclosure. A gas-fired engine-compressor set produces compressed air that is added to the combustion turbine’s compressor discharge section to reduce the effect of a high ambient temperature or altitude performance derate.</p> <p align="right"><i>Photo courtesy: Powerphase</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-11/features/a-flexible-generation-and-energy-storage-solution.html" target="_blank" rel="noopener noreferrer">A Flexible Generation and Energy Storage Solution</a></p> <p style="margin-left: 40px; font-size: 15px;"><b><i>By Peter Perri</i></b><br> The expected outcome of utility integrated resource planning (IRP) is the optimum combination of power generation resources that will produce the most cost-effective and reliable generation for the rate-payer.<br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-11/features/a-flexible-generation-and-energy-storage-solution.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

09 / 16

Plant Performance

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Among the nation's top 20 power-producing combined cycle plants in 2015, Tampa Electric's Bayside Power Station was No. 9, generating 8,916 gigawatt-hours of electricity for the year. The plant was No. 17 on the same list in 2014. </p> <p align="right"><i>Photo courtesy: Tampa Electric</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-120/issue-12/features/power-plant-performance-in-2015.html" target="_blank" rel="noopener noreferrer">Power Plant Performance in 2015</a></p> <p style="margin-left: 40px; font-size: 15px;"><b>By Russell Ray,</b> <i>Chief Editor</i><br> Natural Gas Use Climbs in U.S. as Power Producers Switch Fuels <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-120/issue-12/features/power-plant-performance-in-2015.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

10 / 16

Planta MAN

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The Planta MAN 140 power plant in Los Brasiles, Nicaragua. The 140-MW plant replaces older diesel power plants and balances electrical generation fluctuations.</p> <p align="right"><i>Photo courtesy: MAN Diesel & Turbo</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/2017/07/video-man-diesel-turbo-finishes-power-plant-in-nicaragua.html" target="_blank" rel="noopener noreferrer">MAN Diesel & Turbo Finishes Power Plant in Nicaragua</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Editors of Power Engineering</b></i> <br> MAN Diesel & Turbo has completed installation of eight type 18V48/60 engines in the Planta MAN 140 power plant in Los Brasiles, Nicaragua. <br><a adhocenable="false" href="http://www.power-eng.com/articles/2017/07/video-man-diesel-turbo-finishes-power-plant-in-nicaragua.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

11 / 16

Power Plant Construction

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The construction and delivery of a heat recovery steam generator for a new 540-MW combined cycle power plant in New Jersey was the largest project of its kind in the U.S. It was the largest HRSG ever remotely built in the U.S.</p> <p align="right"><i>Photo courtesy: Durr Mechanical Construction Inc.</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-11/features/off-site-build-and-transport-a-unique-solution-to-a-unique-problem.html" target="_blank" rel="noopener noreferrer">Off Site Build and Transport - A unique solution to a unique problem</a></p> <p style="margin-left: 40px; font-size: 15px;"> PSEG's new Sewaren 7, a 540 MW combined cycle generating facility in Woodbridge, New Jersey was put out to bid for mechanical contractors in August of last year. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-11/features/off-site-build-and-transport-a-unique-solution-to-a-unique-problem.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

12 / 16

Reciprocating Engines

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> RICE Technology offers several advantages over combustion turbines, making them a very attractive option. </p> <p align="right"><i>Photo courtesy: MAN Diesel & Turbo</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/questions-and-considerations-for-rice-generation-facilities.html" target="_blank" rel="noopener noreferrer">Questions and Considerations for RICE Generation Facilities</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Arvind A. Patel, P.E., Nelson Rosado, P.E, and Adam Redd, P.E</b></i> <br> Today's U.S. power market continues to shift away from large baseload centralized coal-fired generation for multiple reasons, including low natural gas prices. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/questions-and-considerations-for-rice-generation-facilities.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

13 / 16

Energy Storage

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The Hybrid Enhanced Gas Turbine system, or Hybrid EGT, is the byproduct of a partnership between Southern California Edison, General Electric and Wellhead Power. <i>Photo courtesy: SCE</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/2017/04/ge-southern-california-edison-reveal-world-s-first-battery-gas-turbine-hybrid.html" target="_blank" rel="noopener noreferrer">GE, Southern California Edison Reveal World’s First Battery-Gas Turbine Hybrid</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Editors of Power Engineering</b></i> <br> GE and Southern California Edison revealed the world’s first battery-gas turbine hybrid system deployed in Norwalk, California. <br><a adhocenable="false" href="http://www.power-eng.com/articles/2017/04/ge-southern-california-edison-reveal-world-s-first-battery-gas-turbine-hybrid.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

14 / 16

Wind Power

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> Last year, Siemens developed and erected a 115-meter concrete hub for MidAmerican Energy in Adams County, Iowa. Taller hub heights don't just allow for longer blades. The taller heights allow turbines to access stronger and more consistent winds at higher elevations, which can boost power production by 10 percent or more, according to Siemens.</p> <p align="right"><i>Photo courtesy: Siemens.</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/wind-power-thinking-big.html" target="_blank" rel="noopener noreferrer">Wind Power: Thinking Big</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>By Robert Evatt,</b> <i>Online Editor, Power Engineering</i> <br> Engineers are known for taking on numerous technical issues to improve the efficiency and output of electrical generators. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/wind-power-thinking-big.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

15 / 16

3D Printing

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The latest Thermal Barrier Coatings are applied layer by layer with a high velocity high temperature Plasma Spray process on the component surface.</p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-7/departments/gas-generation/the-additive-age.html" target="_blank" rel="noopener noreferrer">The Additive Age</a></p> <p style="margin-left: 40px; font-size: 15px;"> <i><b>BY PAUL BROWNING</b></i> <br> Materials Science and Engineering has provided the chapter titles in the book of human history: The Stone Age, the Bronze Age, and the Iron Age. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-7/departments/gas-generation/the-additive-age.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>

16 / 16

Wind Power

<div style="padding-bottom: 2em; padding-top: 2em; padding-right: 2em; background-color: rgb(230, 231, 233, 0.5); border:1px solid rgba(5, 5, 5, 0.4); "> <p style="margin-left: 40px; font-size: 16px"> The world's largest turbine blade, manufactured by LM Wind Power, stretches a full 88.4 meters long, allowing for a total diameter of nearly 177 meters. The blade may have been the largest object ever transported on roads in Denmark. Its 218-kilometer trip to a testing facility in Aalborg took just six hours, but it required nine months of planning and coordinating to pull off. </p> <p align="right"><i>Photo courtesy: LM Wind Power</i></p> <div style="font-size: 12px;"> <p style="margin-left: 40px; font-size: 24px;"><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/wind-power-thinking-big.html" target="_blank" rel="noopener noreferrer">Wind Power: Thinking Big</a></p> <p style="margin-left: 40px; font-size: 15px;"><b>By Robert Evatt,</b> <i>Online Editor, Power Engineering</i><br> Engineers are known for taking on numerous technical issues to improve the efficiency and output of electrical generators. <br><a adhocenable="false" href="http://www.power-eng.com/articles/print/volume-121/issue-4/features/wind-power-thinking-big.html" target="_blank" rel="noopener noreferrer">READ FULL ARTICLE</a></p></div> </div>