In This Issue
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O&MCooling Towers: Efficiency Waiting to Happen
Cooling towers serve the vital role of cooling water for power plant heat exchange equipment. Sustaining excellent system performance is important because a one-degree increase in water temperature can cause a 2% increase in energy usage. Proper maintenance and a few upgrades could improve a cooling tower’s efficiency, while also saving water in the process. […]
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WaterUsing Reclaimed Water in Power Plant Cooling Applications
Using reclaimed water as a makeup supply for cooling tower systems has become a popular option for reducing impacts on local water resources, but it comes with its own challenges because of its unique
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Coal
Reclaimed Water Reduces Stress on Freshwater Supplies
Power generation need not be another source of strain on diminishing freshwater resources. Well-established water reclamation technologies are enabling producers to conserve resources—and money. Meeting the
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FinanceNew and Improved Insurance Offerings Provide Power Plants with More Options
Risk is inherent in all businesses, but power plants face unique perils that require the right protection. Property and casualty insurance may not be enough; equipment breakdown, business interruption, weather risk transfer, and cyber coverage are just a few examples of insurance that may also be worth considering. The right coverage could mean the difference […]
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Commentary
The Changing of the Guard
There’s a new sheriff in town—Washington, D.C., that is. President Donald Trump has taken the reins from Barack Obama, and he’s come out with guns blazing. It’s true—the new administration has wasted little time shaking things up since taking office. While hundreds, if not thousands, of pages have been written by the media about President […]
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RenewablesA 100% Renewable Grid: Pipe Dream or Holy Grail?
The boom in renewable energy, spurred by dramatically falling costs, has led some experts and political figures to begin talking seriously about what was once science fiction: A world powered entirely by renewable generation. But is it truly feasible or economic? One series of studies suggests it is—with some important caveats. In the first half […]
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RenewablesBig 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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Commentary
Progress on GHG Emissions Reduction in Canada’s Electricity Sector
Reducing emissions from the electricity sector continues as a primary transformational goal of government policy-makers, and the private and public companies managing electricity generation in Canada. Impressive progress has been made. National Overview Emissions from electricity generation made up just 11% of Canada’s total in 2014. Over 79% of generation is non-emitting: hydropower (63%), nuclear […]
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RenewablesUAE to Rely on Renewables Over Long Term
A long-term energy strategy unveiled by leaders of the United Arab Emirates (UAE) in early January suggests that the federation on the Arabian Peninsula will increasingly rely on renewables to power its soaring economic growth. The UAE’s energy strategy was unveiled by Vice President Sheikh Mohammed bin Rashid Al Maktoum, who is prime minister of […]
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T&DDuck Hunting at the California Independent System Operator
California’s excess of solar power challenges the statewide independent system operator’s ability to balance its system without curtailing low-carbon supplies and ramping up natural gas generation. It’s
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NuclearNew 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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Business
POWER Digest
Rolls-Royce SMR Design Gets Research Center’s Technology Support. Efforts to bring a proposed small modular reactor (SMR) developed by Rolls-Royce to the UK market will have the backing of the Nuclear Advanced Manufacturing Research Centre (Nuclear AMRC), a collaboration of academic and industrial partners underpinned by the University of Manchester, and other industry partners, including […]
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Legal & RegulatoryA Comparison of ELG Compliance Options for Flue Scrubber Wastewater
Meeting the requirements of the Effluent Limitations Guidelines (ELG) means careful consideration of the various options. Both biological treatment and zero liquid discharge (ZLD) approaches have their place, but ZLD may offer more flexibility for the future. On September 30, 2015, the Environmental Protection Agency (EPA) issued the final effluent limitation guidelines (ELGs) rule for […]
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GasLow 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 EnergyHECO 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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Cybersecurity
Europe Tackles Cybersecurity
Several European countries have moved to adopt distinct cybersecurity measures as a result of the increased interconnectivity within Europe’s energy system along with a changing paradigm that includes decentralized power sources, the integration of electric vehicles, new digital infrastructure, and connected operational technology. According to a 2016 survey by the European Commission, at least 80% […]
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O&MEddy 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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Connected PlantProtecting Critical Infrastructure
Society is highly reliant on the safety and stability of critical infrastructure. From boiling a kettle to maintaining national security, an interruption in the electricity supply can cause serious damage to
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Legal & Regulatory
Trump’s Two-for-One Special on Federal Regulations
On January 30, as part of a flurry of new policies, President Donald Trump signed the “Presidential Executive Order on Reducing Regulation and Controlling Regulatory Costs.” The stated purpose of this order is to reduce the federal regulatory burden on the U.S. economy. The outcome, at least in the short term, is likely to be […]
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WaterLowering Cost and Waste in Flue Gas Desulfurization Wastewater Treatment
Many informative articles have been published about options for treating flue gas desulfurization wastewater, but new technologies are rapidly changing the treatment possibilities. This article reviews key economic considerations and introduces an innovative treatment solution that lowers costs and the amount of waste generated. Flue gas desulfurization (FGD) wastewater varies widely depending on the source […]
