POWER
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Renewables
China Sets a New Renewable Portfolio Standard
China in mid-September increased its renewable portfolio standard (RPS) to 35% of electricity consumption by 2030. The country has already heavily invested in wind and solar, and it anticipates more gains will
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IIOT Power
Advanced Process Control for Optimizing Flue Gas Desulfurization
Coal-fired power plants can significantly improve wet limestone scrubbing with advanced process control. One optimization system implemented at a Japanese facility utilized enhanced regulatory control
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Legal & Regulatory
A Legal Guide to Power Generation Mergers and Acquisitions
A myriad of issues come into play when parties execute power industry mergers and acquisitions. Part 1 of this two-part series examines what dealmakers need to know before making any transactions
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Nuclear
Big Gains for Tiny Nuclear Reactors
As the hubbub of interest and activity surrounds development of small modular reactors (SMRs) hovering between 60 MW and 300 MW, and medium-sized nuclear reactors of under 700 MW, several nuclear technology
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Renewables
New Zealand’s Largest Geothermal Plant Comes Online
New Zealand’s largest geothermal plant was synchronized to the country’s national grid in October. The project took just more than three years to complete. Eastland Group, a Gisborne, New Zealand-based
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Nuclear
Takahama a Model for Japanese Nuclear Restarts
The challenges for Japan’s nuclear power industry have been many in the wake of the Fukushima disaster. Returning units to commercial operation requires meeting new government safety standards, along with
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O&M
Using Throttling Valves for Blowdown and Other Power Plant Applications
Understanding which valve to use in which application is essential to operate a steam power plant as efficiently and cost-effectively as possible. For example, a critical step in steam power generation is
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Commentary
Latest Carbon Fee Initiative May Succeed Where Others Have Failed
Washington state’s latest effort to fight climate change, Initiative 1631 (I-1631), is on the November ballot. With a broad coalition of support from business, environmental, and special interest groups
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Renewables
POWER Digest [November 2018]
Ørsted Snaps Up Deepwater Wind in Major U.S. Offshore Wind Deal. Danish offshore wind farm developer Ørsted in October entered into an agreement with U.S.-based D.E. Shaw Group to buy a 100% equity interest
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Coal
Advanced Coal Technologies Improve Emissions and Efficiency
New coal-fired generating plants are not showing up in the U.S. Elderly plants are retiring in large numbers. But other parts of the world continue to develop coal generation. Advances in combustion and
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O&M
LiDAR Technology Mated with Wind Energy Quickly Becoming an Industry Standard
The profitability of a wind farm depends directly upon reducing uncertainty when wind resources are being assessed and when wind turbines are being fine-tuned. Project risks vary from site to site, depending
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History
The Rise of Natural Gas Generation in Europe
Spurred by the shale gas revolution, natural gas’s stunning rise to dominate the U.S. power profile has been echoed by a number of countries, particularly in the Middle East. In Europe, where domestic natural gas production is actually in decline—and consensus is that shale gas won’t likely play a major role on the continent—natural gas […]
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Infographics
THE BIG PICTURE: A Power Sector Carbon Decline
The U.S. Environmental Protection Agency (EPA) suggests that if states fully implement the Affordable Clean Energy (ACE) rule—which it proposed in August 2018 to replace the 2015 Clean Power Plan—by 2025, U.S. power sector carbon dioxide emissions could be about 34% below 2005 levels. At the end of 2016, they had fallen 24%, and by the end […]
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General
Coal-to-Gas Power Shift Driven by Economics
The Tennessee Valley Authority’s third coal plant conversion to gas combined cycle generation, at the venerable Allen plant near Memphis, Tennessee, created the most-efficient combined cycle plant in its
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O&M
Aftermarket Parts Substitutions Can Shut Down a Power Plant
Every power generation facility is unique, as are the functions and maintenance requirements for their equipment. Keeping equipment in working order and avoiding downtime is critical. Plants will sometimes use
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O&M
Equipment Showcase: Corrosion Prevention and Water Treatment
Corrosion products can form quickly in power plant systems if water, air, and metal are allowed to occupy the same space. Localized corrosion can take any of several distinct forms, such as stress corrosion
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Gas
Transparency Instrumental in Successful Power Plant Project
Public perceptions can make or break a project. One municipal utility found that out firsthand. When resistance grew strong against a new power plant it needed, the company rebooted and engaged with local
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Gas
Combined Cycle Plant Showcases ‘Cool’ Innovation to Help Meet Turkey’s Power Demand
Advanced cooling system technology is among the features of a gas-fired plant representing Saudi Arabia’s first foray into the Turkish power market. Turkey is a country in the midst of political and social
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Commentary
Court Upholds Water Intake Rule, Offering Some Certainty for Power Plants
The U.S. Court of Appeals for the Second Circuit in July issued a long-awaited decision in the case Cooling Water Intake Structure Coalition v. U.S. Environmental Protection Agency (EPA), upholding the EPA’s
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Renewables
Wind and Solar Powering Greek Island
The Greek island of Tilos may provide the model for a renaissance of renewable energy across the European Union (EU). Technicians this summer have tested a system that will allow the island to produce and run
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O&M
Jobsite Safety Check: Mitigating Risk and Improving Safety at Power Plants
Safety should be the top priority on any job site and goes hand in hand with operational excellence. Risk mitigation and safety are exceptionally important for power plants due to the nature of the industry
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O&M
Intense Summer Heatwaves Rattle World’s Power Plants
Scorching temperatures during the summer of 2018 forced a swathe of power plants across the world to reduce power or shut down temporarily, owing to warmer-than-usual temperatures of cooling water and other
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Renewables
Dam Collapse May Slow, but Not Stop, Laotian Hydropower Projects
The Laotian government in August said the approval process for new hydroelectric dams in the country should be suspended as it continued to review construction practices. The move came after more than three
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IIOT Power
Using Predictive Analytics to Keep Up with Energy Demand
Silicon Valley Power implemented a system using machine-learning technology to monitor critical power plant components. The solution has proven to reduce downtime and save money. Furthermore, its wireless
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Commentary
If You’re Not Leading the Pack the View’s Always the Same
We’ve all heard that phrase about leading or following. In today’s energy world, and more so in tomorrow’s, this saying takes on a new meaning that can be summed up in two words: distributed generation
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Renewables
POWER Digest [October 2018]
Gasification Plant Under Construction in Saudi Arabia. A Pennsylvania company has partnered with two Saudi Arabian energy firms on construction of a gasification-to-power plant project in Saudi Arabia. The
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O&M
Best Practices for Welding Critical Power Plant Systems
Innovative welding techniques can produce consistently better-quality joints. Special alloys, appropriate pre- and post-weld heat treatment, and proper weld procedures can all help prevent catastrophic failure
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O&M
A Modern Gas Power Plant Thrives on Ancient Wisdom
Built and developed in accordance with the principles of vaastu shastra, this 1.5-GW “mega” gas power plant in India imbues positivity and proactivity into all aspects of plant operation. It has resulted
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Gas
Another World Record for Combined Cycle Efficiency
The Nishi Nagoya power plant in Japan is more than just the showcase of a successful fuel-conversion project. It’s the holder of a world record, thanks to a GE Power gas turbine that again has set the global
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IIOT Power
Advanced Digital Technology Offers Utilities Profound Changes
Advanced digital technologies, including robotics, artificial intelligence, and machine learning, are transforming the way electric power companies do business, in ways that benefit the companies and their