POWER
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POWER

  • Designing Fuel Systems for Large Biomass Plants

    Compared with other solid fuel–fired plants, the systems and components required for handling and processing biomass appear quite familiar, but important fuel differences must be considered. A successful biomass plant design must provide flexibility for handling the expected wide range of biomass fuel properties and characteristics.

  • Reaching Retirement

    A recent Washington Post article attacks coal as a fuel with a dim future. The author points to the large number of plant retirements as evidence of its impending demise. Checking the actual data reveals a much different story.

  • Self-Propelled Trailers for In-Plant Use

    Wheelift Systems introduced its self-propelled trailers (SPT) in capacities up to 100 tons. They were developed for in-plant operation in congested, confined areas and in narrow intersecting aisles. Highly maneuverable, the Wheelift SPTs feature computerized independent steering, on-center rotating front axles, remote control operation, low-profile design, and on-board power generation. Each SPT has two on-center […]

  • Major Milestones for the AP1000 Reactor

    Westinghouse’s AP1000 reactor design hit several milestones in recent months, prompting speculation that it could take the coveted lead in the charge to deploy the world’s third-generation nuclear power plants.

  • 500-kV Proximity Voltage Detector

    HD Electric Co.’s new PRX-500 Proximity Voltage Detector is an addition to its voltage detector product line. With nine selectable voltage ranges from 120 V to 500 kV, the PRX Proximity Voltage Detector features an easy-to-use electronic touch pad with large buttons. The PRX provides an audible and visual indication of voltage detected from elbow […]

  • Power 101: Improving the Performance of Boiler Auxiliaries, Part II

    Efficient boiler operation requires boiler auxiliary equipment to operate in harmony. The air preheater, for example, though it has few moving parts, is vital to maintaining efficient boiler performance. In this second installment of our Power 101 series, we examine performance degradation caused by corrosion and fouling of the air preheater that results from the combustion of coal plus the effects of ammonia and sodium bisulfite injection for SO3 mitigation.

  • DOI Approves Nine Solar Projects on Federal Land—So Far

    U.S. Interior Secretary Ken Salazar in late December approved—for the ninth time since October 2010—a solar power project to be built on federal lands.

  • Extended Generator Drive Ratings for Diesel Engine

    John Deere Power Systems (JDPS) introduced extended generator drive emergency stationary power ratings for its PowerTech E 6.8L diesel engine—the first John Deere engine to carry both U.S. Environmental Protection Agency Tier 3 Emergency Stationary and European Union Stage III A certification, with dual frequency ratings of 1,800 and 1,500 rpm. The 212-kW rating at […]

  • Clinker Minimization at San Miguel Electric Co-Op

    San Miguel Electric Cooperative selected and installed an automatic sootblowing system for its Unit 1 to minimize clinkers in the boiler that caused semi-annual unscheduled outages. New boiler surface-cleaning equipment and intelligent cleaning software eliminated these expensive outages.

  • Laos Inaugurates Major Revenue-Generating Hydropower Plant

    Lao People’s Democratic Republic (PDR), the tiny landlocked country in Southeast Asia of just 6.3 million people, in December inaugurated the 1,070-MW Nam Theun 2 Power Station, a hydropower project in Khammouane Province.

  • Thermodynamic Steam Trap

    Spirax Sarco launched the TD120M Thermo-dynamic Steam Trap, a product engineered for pressure ratings of up to 3,190 psig that is ideal for draining saturated and superheated steam mains. The steam trap has a maintainable disc and seat, which means it can be serviced in-line—a considerable benefit to customers with welded installations. The trap has […]

  • State of the Union: Recycling a Failed Energy Policy

    President Obama’s Jan. 25th State of the Union address proposed that the nation commit itself to developing "clean energy" sources of electricity over the next two decades. A critical assessment of his proposal finds that it’s just a rehash of previously rejected legislative proposals. In fact, to me, it sounds like Waxman-Markey all over again. I have a better idea.

  • Not Your Father’s Energy Committee

    By Kennedy Maize Washington, D.C., January 28, 2011 – The Senate Energy and Natural Resources Committee in the 112th Congress won’t be your father’s Senate Energy and Natural Resources Committee (and certainly not Lisa Murkowski’s father’s committee). With a slew of newcomers – mostly Republican – and none of them particularly attuned to the way […]

  • Obama: Ramp Up Clean Energy—Including Clean Coal and Natural Gas Power

    In his State of the Union address on Tuesday evening, President Barack Obama set a new goal for the nation: To obtain 80% of its electricity from “clean energy” by 2035. But his definition of “clean energy” included “nuclear, clean coal, and natural gas” as well as “wind and solar.”

  • Court Denies EPA Extension for MACT Boiler Rules

    A federal district court judge on Thursday sided with environmental groups in a suit against the Environmental Protection Agency (EPA) and gave the Obama administration only 30 extra days to issue Maximum Achievable Control Technology (MACT) rules for large and small boilers, and solid waste and sewage sludge incinerators—not a year, as the agency had sought.

  • New Mexico Supreme Court to Governor: Publish State Cap-and-Trade Rules

    The New Mexico Supreme Court today ruled unanimously that freshly elected Republican Gov. Susana Martinez violated the state constitution when she halted publication of cap-and-trade rules that were adopted by the state’s Environmental Improvement Board (EIB) last year.

  • Allowance Theft Freezes EU Carbon Spot Market

    The European Union (EU) on Tuesday said it was waiting for member countries to confirm that minimum-security requirements had been installed in their emissions registries before reactivating its emissions trading scheme (ETS). The European Commission halted spot carbon trading last week for at least seven days after hackers stole emission permits from accounts in the Czech Republic and Austria.

  • Beacon Starts Commercial Operation of Flywheel Frequency Regulation Plant

    Massachusetts–based Beacon Power Corp. on Monday said it had energized and grid-interconnected the first 8 MW of flywheel energy storage at its 20-MW frequency regulation plant in Stephentown, N.Y., bringing in the first commercial revenue for the company.

  • DOE Grants $967M Loan Guarantee to Ariz. Thin-Film PV Project

    NRG Energy last week received a $967 million federal loan guarantee for its 290-MW Agua Caliente thin-film photovoltaic (PV) solar project. When the Yuma County, Ariz., project, which began construction in 2010, is complete in 2014, NRG says it will be the largest PV generation facility in the world.

  • India Starts Up New Kaiga Nuclear Reactor

    The fourth unit of India’s Kaiga Generating Station, a 220-MW indigenous reactor that achieved first criticality on Nov. 27, 2010, was synchronized to the grid last week. The unit now brings India’s nuclear power capacity to 4,780 MW with 20 reactors in operation, state-owned Nuclear Power Corporation of India Limited (NPCIL) said.

  • DOE, NOAA to Collaborate on Renewable Energy Modeling and Forecasting

    The U.S. Departments of Energy and Commerce on Thursday signed a memorandum of understanding (MOU) to collaborate further on renewable energy modeling and weather forecasting to help the renewable sector more effectively use the nation’s resources.

  • Report: Amid U.S. Climate Policy Uncertainty, Canada Should Consider Cap-and-Trade

    Uncertainty about U.S. climate policy direction means that Canada may need proceed with its own measures to mitigate climate change—including a carbon cap-and-trade system—a government-appointed advisory panel has recommended.

  • EV’s? Here Come the Hydraulic Hybrids

    By Kennedy Maize Washington, D.C., January 24, 2011 — While many of us have fixated on electric approaches to vehicle propulsion, the U.S. Environmental Protection Agency has been working on another technology that may turn out to be a killer ap for conventional gasoline cars. Earlier this month, with little fanfare or hoopla, Chrysler announced […]

  • GAO: Smart Grid Standards Are Incomplete and Unenforceable

    The National Institute of Standards and Technology (NIST) has developed smart grid cybersecurity guidelines as tasked by Congress, but major gaps still need to be addressed; furthermore, the Federal Energy Regulatory Commission (FERC) has failed to develop a coordinated approach for monitoring if and how the standards are being followed by industry, a new report from the Government Accountability Office (GAO) says.

  • State Supreme Court to Hear Arguments in N.M. Cap-and-Trade Plan Dispute

    In New Mexico, where freshly elected Governor Susana Martinez (R) passed—as one of her first acts upon taking office—an executive order placing a hold on cap-and-trade rules adopted last year by a state agency, the state’s Supreme Court agreed to hear arguments later this month on whether Martinez’s actions were legal.

  • Federal Settlement Forces NIPSCO Coal Plant Closure, $600 M in Pollution Controls

    A settlement over alleged Clean Air violations reached by the Environmental Protection Agency and the Justice Department with Northern Indiana Public Service Co. (NIPSCO) requires the Merrillville, Ind.–based company to shut down a coal plant while investing about $600 million in pollution control technology at the other three plants in its 3,300-MW coal-fired fleet. In related news, Ameren Missouri strongly disputed similar allegations made in a lawsuit over modifications at a 1,200-MW Missouri coal plant.

  • Court Allows EPA to Proceed with GHG Regulation in Texas

    A federal court last week lifted an emergency stay that had prevented the Environmental Protection Agency (EPA) from proceeding with a Federal Implementation Plan (FIP) for Prevention of Significant Deterioration (PSD) permitting of greenhouse gas sources in Texas while it considered legal challenges against the agency’s authority. The court’s decision means that EPA-issued regulations can curb greenhouse gas emissions from power plants and other large stationary sources in that state.

  • Supercritical Coal Unit Starts Commercial Operation in Wisconsin

    The second 615-MW supercritical pulverized coal unit of We Energies’ Oak Creek Power Plant went commercial last week. The first unit—a POWER Top Plant—went into service on Feb. 2, 2010, and Elm Road Unit 2’s turnover to the Wisconsin Electric Power Co. by general contractor Bechtel Power Corp. last Wednesday completed the controversial expansion of the 1,135-MW power plant.

  • NRC to Address Containment Sump Issue at U.S. Nuclear Plants

    The Nuclear Regulatory Commission (NRC) last week instructed staff to address a potential problem at nuclear power plants around the U.S. where the containment sump—an emergency long-term cooling water source—could be clogged by debris accumulating after a high-pressure coolant break.

  • China Nuke Dreams: Paper Dragon?

    By Kennedy Maize Washington, D.C., January 17, 2011 – With Hu Jintao, China’s president, in Washington this week, it is worth taking a look at that mammoth country’s energy future. More specifically, it is valuable to look at China’s announced ambitious nuclear power agenda and ask whether it can be realized. China at the end […]