Technology
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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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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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IIOT Power
New Approaches for Transformer Operation and Maintenance
Technology advancements and new regulatory requirements could reshape how power plant owners operate and maintain large power transformers. Experts outline emerging strategies and call attention to overlooked
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Renewables
Growth of Solar Power in China Offers Lessons for U.S., Study Says
The U.S. should capitalize on China’s formidable experience to put its own domestic solar power sector on a more “economically sensible” path, researchers from Stanford University said in a new report. The March 21–released report, “The New Solar System,” which was funded by a research grant from the U.S. Department of Energy (DOE), offers a […]
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Nuclear
How Westinghouse, Symbol of U.S. Nuclear Power, Collapsed
Crippled by financial setbacks stemming from the half-built AP1000 reactor projects in Georgia and South Carolina, Westinghouse Electric Co., a company with a storied legacy symbolic of American nuclear power, has taken the desperate step of filing for bankruptcy protection. While owners of the two nuclear construction projects are monitoring the situation, the development could […]
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Renewables
Big Winds for Big Offshore Wind Turbines From Siemens, MHI Vestas
Siemens has installed the prototype of its towering 8-MW offshore direct-drive wind turbine at a national test center in Østerild, Denmark, marking the company’s foray into the global race to develop mega–wind turbines. The new offshore turbine was installed on a steel tower at a hub height of 120 meters (m) in late January (Figure […]
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Nuclear
New Construction Milestones for AP1000 Units
Construction of four AP1000 units—the first new nuclear reactors in the U.S. in decades—is moving along at Vogtle 3 and 4 in Georgia and at the V.C. Summer nuclear power plant in South Carolina. In January, Westinghouse, which is spearheading construction of the units, marked a key milestone as it placed the first steam generator […]
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Gas
Low LNG Prices Fuel Interest in LNG-to-Power Projects
Stricken by falling prices, producers of liquefied natural gas (LNG) are looking to exploit an emerging trend that integrates the fuel source with power generation. According to Houston-based international law firm Baker Botts, an increasing number of LNG power projects are emerging worldwide as a “new, viable medium” that offers a rapid but long-term power […]
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Distributed Energy
HECO Tests Virtual Power Plant in Hawaii
The Hawaiian Electric Co. (HECO) and technology service company Stem Inc. have successfully tested nearly 1 MW of energy storage systems at 29 commercial sites on Oahu, the companies said on January 30. The novel pilot project, which sought “the ability to connect many customers’ energy storage with the utility,” comprises an energy storage “fleet” […]
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O&M
Eddy Current Tube Inspections Efficiently Find Defects
Eddy current testing is a well-established method of nondestructive testing that is used to examine nonferrous/nonmagnetic materials such as condenser and heat exchanger tubes in power generation plants. Eddy current testing reveals discontinuities in tubing, provides plant engineers with an accurate assessment of a unit’s condition, and is a tool for predicting the remaining useful […]
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