POWER

  • TOP PLANT: Ningde Nuclear Power Plant, Fujian Province, China

    China is on an epic build-out of its nuclear generating capacity, and developing indigenous expertise and technology is central to that goal. The first completed plant leveraging the nation’s CPR-1000 design

  • TOP PLANT: Peach Bottom Atomic Power Station, Delta, Pennsylvania

    Owner/operator: Exelon Generation and PSEG Nuclear/Exelon Generation When decision-makers choose to increase the maximum output of a nuclear power plant through an uprate, it sets in motion a process that can take many years and countless man-hours to complete. The success of Peach Bottom station’s extended power uprate project shows that all the long hours […]

  • Advanced CFB Technology Gains Global Market Share

    Circulating fluidized bed (CFB) technology is taking a growing share of the international coal-fired power generation market, particularly in the Pacific Rim and China. Indigenous designs are also growing in

  • Next-Generation FGD Wastewater Bioreactor Technology Introduced for ELG Compliance

    Compliance with one of the latest federal environmental regulations, the Effluent Limitations Guidelines (ELG), can be both costly and complicated. A newly available option offers features and capabilities that may make it a more attractive alternative than conventional approaches. In September 2015, the U.S. Environmental Protection Agency (EPA) finalized a new rule affecting flue gas […]

  • Ultra-High-Pressure Cavitation Peening Offers New Way to Maintain Components in Operational Nuclear Reactors

    To power generation professionals, the word “cavitation” typically has negative connotations, but a new process offers a way to control this normally destructive effect and deploy it as a cost-effective life-extension technique. As operators of commercial nuclear energy facilities consider subsequent license renewals and life extensions, finding new ways to safely maintain reactor components remains […]

  • Pushing the Ultra Envelope: Advanced Power Technologies Are Mainstream in China

    China, which continues to build more new coal plants than any other nation, is also on the forefront of deploying the most advanced coal plant technologies. However, these advanced units could face

  • October Surprises—Power Industry Edition

    The first week of October was noteworthy for the volume of potentially life-changing and industry-changing carbon and climate change–related news. While the U.S. power industry awaited a decision from the

  • The State of Solar: New Tech, Outdated Rate Designs

    As installed capacity in the U.S. continues its breakneck growth, the solar photovoltaic sector is poised for another leap forward with a variety of new technologies—if increasingly ill-suited regulations and rate designs can be updated to keep pace. The global solar market has moved beyond its early, uncertain days. The luxury of behaving like start-ups […]

  • Europe Gets First MW-Scale Industrial Fuel Cell Power Plant

    Europe’s first megawatt-size fuel cell went online in September. The 1.4-MW power plant put online by E.ON and FuelCell Energy Solutions in Mannheim, Germany, will provide power over the next 10 years, at least, for production processes of materials specialist FRIATEC. The plant was installed in only nine months as a joint project by E.ON […]

  • Meet the Beetles

    Bark beetles have discovered the good life in California’s overgrown forests. A combination of extended drought and mild winters has led to an enormous infestation of these pests. They have killed over 66

  • POWER Digest

    Vattenfall to Convert Berlin Coal Plants to Natural Gas. Sweden’s state-owned power company Vattenfall is phasing out the use of coal in Germany’s capital Berlin. The company on September 28 said it would

  • Wind Turbine Repowering Is on the Horizon

    The world’s first wind farms are reaching the end of their expected lifetimes. As they become outdated, or just inefficient, many developers are considering repowering. Here’s a look at where repowering activity is happening the most and why. Since the world’s first wind turbine used to convert wind energy into electricity was built by Professor […]

  • Massive Scottish Tidal Stream Project’s First 1.5-MW Turbines Are Unveiled

    Four 1.5-MW tidal stream turbines that will make up the first phase of the massive MeyGen project proposed for installation in the Pentland Firth, have been fully assembled. Three of the turbines were built by Andritz Hydro Hammerfest. Tidal power generation firm Atlantis Resources, which owns 85% of the MeyGen project, built the remaining one, […]

  • Germany Puts the Brakes on Rapid Renewables Expansion

    In July 2016, the German parliament approved three major pieces of legislation specifically laying out the future of the celebrated Energiewende: the 2017 revision of the Renewable Energy Sources Act, the Electricity Market Act, and the Act on the Digitization of the Energy Transition. “These three pieces of legislation will ensure that the transition of […]

  • Puerto Rico Substation Fire Causes Three-Night Blackout

    This September, Puerto Rico suffered an island-wide blackout that left 1.5 million utility customers without power for more than 50 hours and reportedly resulted in multimillion-dollar losses for its already troubled economy. The blackout in the U.S. territory with a population of about 3.5 million occurred on September 21, when a blaze erupted in a […]

  • Understanding Boiler Code Compliance and Magnetic Level Gages

    A magnetic level gage may be an excellent addition to a power plant boiler’s drum-level instrumentation. However, before any changes are made, owners must first understand the specific minimum requirements for water level instrumentation defined by the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. The code requires a functional water gage […]

  • Technical Guidance Documents Provide Global Standards

    The International Association for the Properties of Water and Steam (IAPWS) is an international nonprofit association of national organizations concerned with the properties of water and steam, particularly

  • Slide Show Supplement to Mátra Power Plant, Visonta, Hungary

    The Mátra Power Plant in Visonta, Hungary, uses a dense slurry system for handling fly ash and other coal combustion residuals. The DSS combines ash and water in a 1:1 ratio, creating a cement-like slurry. [gss ids=”93802,93804,93832,93808,93834,93836,93838,93840,93842,93844,93822,93846,93848,93850″]

  • Coal Combustion By-products Aren’t All Bad: The Beneficial Use Solution

    While it’s true that coal ash can be an environmental hazard if it’s not properly managed, there are a lot of positive uses for coal combustion products that actually provide benefits to the world. Many beneficial uses have been around for decades, but valuable new options are being developed, and some are starting to make […]

  • Is an Automated Compliance Tracking Solution Right for You?

    Like so many other power plant functions these days, regulatory and standards compliance can be automated. Know what you want an automated system to do before you make a vendor decision. As North American Electric Reliability Corp. (NERC) Critical Infrastructure Protection (CIP) enforcement deadlines and audit dates loom—notably, CIP-003-6 in April 2017, which addresses the […]

  • High-Speed Turbine Rotor Balancing Lowers Costs and Improves Operation

    High-speed turbine rotor balancing was once rare because of the costs and logistical challenges involved in doing it during an outage. That’s begun to change as economic options emerge, and experience is showing that high-speed balancing can pay big dividends in reliability and maintenance costs. To a maintenance engineer or fleet manager, unwanted vibration in […]

  • Chronic Tardiness at South Africa’s Eskom Could Be Its Downfall

    South Africa’s state-owned utility faces recent generation shortages, plant construction problems, load shedding, and uncertainty at the African continent’s only nuclear power plant. And that’s just on the generation side. Moves on the business planning and regulatory side are painfully slow and could, some argue, be writing the utility’s obituary. Eskom, South Africa’s state-owned monopoly […]

  • Who Is Subsidizing Whom?

    For all the words published over the past several years about electric utility customer defection—thanks to the combination of lower-cost residential solar photovoltaic systems, tax incentives, and net

  • The Surprising Ground Zero for Electricity Market Fights

    Look to the East and you’ll see a major initiative to transform New York’s electric grid into a cleaner, more efficient system. Look to the West and you’ll find ambitious clean energy legislation in California. Yet utility executives and federal regulators recently gathered in the Midwest to highlight how this region is ground zero for […]

  • Brazil’s Environmental Agency Halts 8-GW Amazon Hydropower Project

    Brazil’s environmental protection agency, IBAMA, in early August canceled development permits for an 8-GW hydroelectric project on concerns about its social and ecological impacts. If built as proposed by a consortium of multinational companies—including Brazilian parastatal Eletrobras and private sector partners GDF Suez/Engie, EDF, Camargo Correa, Neoenergia, COPEL, and Endesa Brasil—the São Luiz do Tapajós […]

  • First Scottish Tidal Energy Array Is Connected to the Grid

    One of the world’s first offshore tidal energy arrays was connected to Scotland’s grid this August. On its heels is the grid connection of a second array that is owned by a different company. Nova Innovation, a Scottish tidal energy company founded in 2010, on August 28 grid-connected the second of three 100-kW Nova M100 […]

  • A Primer on Gas Turbine Failure Modes

    When a gas turbine goes down, recovery can be an expensive, time-consuming process. Knowing what can go wrong and how to anticipate turbine failures can help you avoid a difficult unplanned outage. Gas-fired power is hot and getting hotter. The Energy Information Administration estimates that 2016 will be the first year ever that the U.S. […]

  • POWER Digest

    Mexico to Launch Pilot Carbon Trade Program. Mexico will launch a yearlong simulation of a cap-and-trade program this November. The pilot program will involve up to 60 companies, allowing them to adapt a

  • Sasan’s Shadow: An Ultra Mega Power Project’s Dark Side

    For all its record-breaking achievements for speed, innovation, and efficiency, the 3,960-MW Sasan Ultra Mega Power Project should have been a POWER Top Plant. But the unique project has been plagued by serious setbacks—including loss of life—that show how perilous the plant construction journey can be. A decade ago, India was suffering a power crisis […]