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Coal
Huaneng Power’s Changxing Station ZLD Project, China
To satisfy China’s more stringent water use and air pollution rules, developers of the new 1.3-GW ultrasupercritical coal-fired Changxing Power Plant used a novel forward osmosis–based brine concentration
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Technology
New Best Practices for Power Project Planning and Construction
Effectively managing time, budget, and resources has always been the goal of companies involved in constructing power generation projects, but today the challenges in meeting those goals can be greater than ever. Any power generation company involved in new construction or an upgrade or retrofit project hopes it will see completion safely, without exceeding schedule […]
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Coal
Southern Company Bets Big
Southern Co., one of the nation’s largest investor-owned utilities, appears torn between enormous recent investments in advanced coal and nuclear technologies—the company’s successful strategy in the past—and a competing sense that natural gas and distributed energy might be the company’s ultimate future. The Southern Company, based in Atlanta, Ga., is a regional utility behemoth, mostly […]
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Safety
Consider Busway When Replacing Electrical Cable and Conduit
Electrical cable and conduit offers a reliable and proven way to get power where it needs to go, but that doesn’t mean it is always the best method. Busway can save space, while offering a less-expensive, more-flexible power distribution solution for applications where change and adaptation are important. As is the case in many other […]
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Commentary
Climate Change and Energy: We Need a Bigger Boat
Readers of a certain age will recall a scene in the movie Jaws when the local police chief, having glimpsed the gigantic shark up close from the back of the deck, reels back into the cockpit to observe: “You’re going to need a bigger boat.” In climate change, we have reached the “bigger boat” moment. […]
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Renewables
TenneT Proposes Central Island Hub for North Sea Electricity Interconnection
Dutch power grid operator TenneT on June 10 unveiled plans for a large-scale island transmission hub in the North Sea that could connect numerous offshore wind farms and transmit their generated power to the Netherlands, the UK, Belgium, Norway, Germany, and Denmark via direct current (DC) cables. Those cables, or “spokes” could also serve as […]
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Coal
Indian Water Crisis Shuts Down Multiple Power Plants
A severe water crisis gripping India this year has forced several of the country’s hydroelectric and thermal power plants to shut down. At least 10 of India’s 29 states have been stricken by severe drought after the monsoons failed for two seasons in a row (as of the start of July, the monsoons had still […]
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Legal & Regulatory
Poland Shuns Wind, Doubles Down on Coal-Reliant Future
Poland, a country where hard coal and lignite power plants currently generate about 85% of the power, has passed a law that stymies a wind power expansion and is now mulling draft legislation that will help boost investments in new coal capacity. The eastern European country has bucked the trend toward renewable power that many […]
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Nuclear
POWER Digest
Court Forces Bulgaria to Pay for One of Two Canceled Reactors at Belene. Bulgaria’s National Electricity Co.(NEK) should pay Russia’s Atomstroyexport nearly $620 million in compensation for its canceled two-unit Belene nuclear plant, an international arbitration court in Geneva ruled in mid-June. The 2-GW plant was in the offing for more than two decades before NEK […]
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Commentary
The Progress of Power Technology
I’ve developed something of a love/hate relationship with awards. Initially, it’s exciting to spot outstanding or unusual projects for our POWER awards, but over time, any number of things can happen to those plants, making them appear less than stellar. Sometimes it’s changing policy or market conditions that make a record-setting plant completely uneconomic (see […]
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Legal & Regulatory
South Korea to Partially Liberalize Power Sector
In a major shakeup of a power sector currently monopolized by a state-owned giant, South Korea has moved to partially open its electricity generation market to private companies in a bid to improve efficiency
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Commentary
More Communities Choose Their Own Energy Future
As the effects of climate change have increased and renewable energy is becoming cost-competitive with conventional forms of energy generation, more and more towns, cities, and counties are pushing their local utilities to increase the amount of renewables in their energy portfolios. While many utilities are embracing this shift to renewable energy, others are slow […]
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Legal & Regulatory
Abolished Nuclear Tax Is Relief for Unprofitable Nuclear Operators in Sweden
Sweden, which has been contemplating the role of its 10 nuclear reactors in its future power mix, said in June it will phase out a tax on nuclear power over the next two years and replace aging plants with new ones. The agreement by the Social Democrats, the Moderate Party, the Green Party, the Centre […]
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O&M
All About Lubricant Additives
Lubricant additive technology is a complicated business because it involves several different chemistries. Often, one additive can adversely interact with another additive as they both compete for the same area on substrate surfaces. This kind of interaction can lead to the canceling of the additives’ desired properties. Conversely, the use of different additive chemistries can, […]
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Legal & Regulatory
TVA Uses Advanced Technology to Store and Monitor Coal Ash
At 2:45 p.m., Nicholas McClung’s cellphone chirps during a business meeting. He doesn’t bother to look at it; the special chirp says it all. He politely excuses himself from the meeting and rushes to the Tennessee Valley Authority’s (TVA’s) Advanced Technology for Impoundment Monitoring (ATIM) center in the basement of the company’s Chattanooga headquarters. When […]
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Renewables
Time to Catch the Sea Breeze? Offshore Wind Power Development in China
After years of planning and sluggish development, 2016 may be the year that offshore wind power development takes off in China. Once it does, the market will be large. Offshore wind power has a very important role to play in easing power shortages in coastal areas of China and in responding to climate change effectively. […]
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Coal
Dusseldorf’s Lausward Power Plant Fortuna Unit Wins POWER’s Highest Award
Düsseldorf’s new “Block Fortuna” at the Lausward Power Plant, owned by municipal utility Stadtwerke Düsseldorf, is setting records and giving Germany’s coal-fired power plants some much-needed competition for backing up the nation’s large percentage of variable renewable power. Germany’s Energiewende (literally, “energy turn”) functions as something of a living laboratory, where innovation equals survival, because […]
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Water
Prevent Purified Water from Putting a Damper on Your Next Commissioning
When commissioning a new power plant, requirements for purified water can be large—often more than an unfinished plant can supply. When it’s time to bring in outside help, proper planning can help avoid problems and keep budgets under control. With all the complexity inherent in the commissioning of a power plant, the last thing anyone […]
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Renewables
2016 Power and Utilities Deals Are Outpacing Previous Three Full Years
Power and utility deals through Q2 2016 are already outstripping full-year totals for previous three years.
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Renewables
Exelon, America’s Leading Nuclear Generator, Keeps the Faith on Nukes
The U.S. nuclear power business is in trouble, and Exelon has six units totaling more than 5,300 MW of dependable capacity on the chopping block. How will the Chicago electricity giant respond? Perhaps by acquiring more merchant nuclear capacity?
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Renewables
Turmoil in Turkey Cuts Power to U.S. Military Base
Power supply to a U.S. military base was cut off by the Turkish government following an attempted military coup in the country on Friday.
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O&M
Emissions Catalyst Issues for Fast-Start Combined Cycle Power Plants
When gas-fired plants are required to cycle more than they were designed for, added stress on plant components isn’t the only consequence. You also need to pay closer attention to turbine catalyst systems. Traditionally, many combined cycle gas turbine (CCGT) power plant units were designed and permitted for a baseload or similar operating profile. Startups […]
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Coal
Circulating Fluidized Bed Dry Scrubber Effectively Reduces Emissions
When owners of the Big Stone Plant researched air quality control system technology, they considered all available options and eventually settled on a design that was not in widespread use. Now that the
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Legal & Regulatory
Real-Time Environmental Data Integration Improves Air Quality Reporting
As power plant reporting requirements for emissions regulations increase in number and complexity, yesterday’s data collection and reporting systems can make the job harder than it needs to be. The electrical power generation sector is reportedly the largest source of greenhouse gas emissions in the U.S. As such, it is the focus of the Environmental […]
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Commentary
Power’s Environmental Issues Then and Now
Discussions about environmental issues related to power plants and the regulations governing their operation are as old as the industry, I discovered while thumbing through the bound July through December 1914 issues of POWER. The specifics of the environmental concerns have become more detailed and complex as scientific knowledge, monitoring technologies, and mitigation solutions advance. […]
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Legal & Regulatory
Avoiding Wildlife Impacts from Renewable Energy in Europe
Courtesy: Ad Meskens/Wikimedia Commons Europe has been in the forefront of renewable energy development, and though the scientific research on wildlife impacts is limited, European environmentalists and developers are beginning to create baseline frameworks and guidelines. Developers around the world can learn from their experience. As more renewable energy systems come online, providers hope to […]
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Legal & Regulatory
Weighing the Environmental Impacts of Wind and Solar
Renewable generation is usually characterized as more environmentally friendly than fossil fuels, and in many respects, that’s true. But there is a growing recognition that solar and wind generation have their own impacts, and an increasing number of manufacturers and generators are looking for ways to minimize them. Iceland might be about the last place […]
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Coal
PRB Coal Users’ Group Plant of the Year: Ameren’s Rush Island Energy Center
Rush Island Energy Center has successfully fired Powder River Basin (PRB) coal for two decades, as proven by the plant’s excellent performance stats, dedication to minimizing its environmental footprint, and sterling safety record. The PRB Coal Users’ Group top award recognizes the plant staff’s long-term dedication to continuously improving its safe handling and efficient combustion […]
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Legal & Regulatory
Securing Pipeline Infrastructure for Gas-Fired Generation in New England
Increased reliance on natural gas as a fuel for electric generation has prompted regulatory reforms by the Federal Energy Regulatory Commission (FERC) to improve coordination between the two industries. Many in the power industry believe critical constraints in gas pipeline infrastructure serving New England pose a significant threat to electric reliability and prices during periods […]
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Legal & Regulatory
The Coal Refuse Dilemma: Burning Coal for Environmental Benefits
The niche alternative energy industry that generates power from hazardous piles of coal waste that litter the U.S. is facing an environmental Catch-22. The torrent of coal mined and processed in the U.S. since