Power Engineering

Table of Contents

Volume 119, Issue 4
  • Features

    • Repowering a Shuttered Plant: A Feasible Alternative for Decommissioning

      As regulatory restrictions have increased and renewable and cleaner sources of energy have become more available, smaller, less-efficient coal fired power plants are being forced to close.

    • Security in Real Life: Two Case Studies

      The following describes two cases of "security in real life." The first is the security approach deployed at the Xcel Energy Pawnee plant, which was not subject to compliance regulations but was interested in developing a strong security posture using industry best practices. The second case is the approach deployed at Grant County PUD's Wanapum and Priest Rapids sites, which was geared towards achieving both a strong security posture and meeting NERC Critical Infrastructure Protection (CIP) version 3 compliance regulations to ensure WECC audit readiness for March 2014.

    • Optimizing Turbine Performance and Longevity through a Proactive Maintenance Approach

      Today, gas turbine owner/operators are under great pressure to advance operational productivity by optimizing equipment performance and longevity while minimizing downtime.

    • Profitability and Emission Impact of the Best Available Boiler Cleaning Technologies

      On June 2, 2014, the U.S. Environmental Protection Agency (EPA) proposed a commonsense plan to cut carbon pollution from power plants. EPA is proposing the state goal approach under Section 111(d) of the Clean Air Act by 30 percent from 2005 levels, while starting to make progress toward meaningful reductions in 2020. With this new rule, energy producers are required to develop alternatives to reduce carbon dioxide (CO2) emissions by 2020.

    • The Benefitsof Energy Storagein an Era of Renewable Resources

      Renewable energy is on the rise more than ever. As the industry has advanced and the general public has become increasingly interested in evolving renewable technologies, utilities have begun to integrate renewable resources into their portfolios at greater and greater rates. State and corporate policies that mandate minimum renewable capacities have further spurred growth in the industry. Despite certain setbacks in funding and incentives, future growth in the business seems assured-indeed inevitable. However, this progress has done little to resolve a fundamental challenge for renewable power resources: intermittency.

  • Departments

    • Opinion

      • Invest In Coal: It's the Answer, Not the Problem

        Energy from fossil fuels is the lifeblood of modern society. Coal, oil and natural gas provide 85 percent of our energy and support an ever improving quality of life for billions across the world.

    • Industry News

      • Industry News

        On March 10, Mississippi Power announced it had fired up gasifiers at its Kemper County power plant for the first time.

    • Clearing the Air

      • The CCR Rule and FGD Ponds

        As has widely been reported, the U.S. EPA signed the final coal combustion residuals or CCR rule on December 19, 2014. The rule affects coal-fired power plants of electric utilities and independent power producers that use landfills or surface impoundments for the storage of their CCRs.

    • Gas Generation

      • EPA Emissions Rules: Business as Usual

        When the Environmental Protection Agency announced new emissions guidelines last summer, the hearts of utility executives across America skipped a beat. Few industries are as fraught with uncertainty as power generation. Volatility in fuel prices and potential interruptions to supplies already keep power professionals up at night, and the threat of new regulations was just one more cause for concern.

    • View on Renewables

      • Lots of Potential, Still No Geothermal

        With the international geothermal energy industry experiencing near record growth in 2014, it is curious that not a single megawatt of geothermal power is being produced in Canada.

    • Energy Matters

      • CCS: A Tale of Federal Discombobulation

        "Obituary. FutureGen2.0, Washington, D.C. (2003-2015). Cause of death: suffocation. No funeral planned. The family requests no flowers. Donations suggested to the Dept. of Energy."

    • Nuclear Reactions

      • How Do You Grow Safety Culture?

        Commercial nuclear power plants have bragging rights over their consistently high safety performance and relentless focus on building and sustaining safety culture. Why other industrial complexes fail to follow in their footsteps is unsurprising: It is difficult to stay focused on something as fuzzy as culture and heavy industry has more important things to do like run their operations.

    • Generating Buzz

      • Caught On Camera

        Scientists at the Department of Energy's Oak Ridge National Laboratory have captured the first real-time nanoscale images of lithium dendrite structures known to degrade lithium-ion batteries. The ORNL team's electron microscopy could help researchers address long-standing issues related to battery performance and safety.

    • What Works

      • Piping Prefab: Boosting Efficiency with Grooved Systems

        According to the Government Accountability Office, just over 42 GW or about 13 percent of coal-fired capacity has been retired since 2012 or is planned for retirement by 2025. The coming years will bring a boom in gas-fired plant construction as power producers rush to replace the retiring units. Indeed, there are currently more projects in the planning and design stage than we've seen in the last 15 years. With so much capacity to replace in a small window, strategies that reduce construction time will be vital, and the availability of skilled labor will be critical.

    • Products

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Dominion Virginia Power shelves plans for offshore wind project

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Coal ash recycling company successfully repurposes pond ash

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Hawaii energy park, Sandia National Laboratories to test energy storage

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Power Engineering Current Issue
Volume 119, Issue 4
Products Showcase
Dynamic Fluoride Ion cleaning DFIC of industrial natural gas turbines Hi-Tech Furnace Systems

Dynamic Fluoride Ion Cleaning of IGT Parts

The Dynamic Fluoride Ion Cleaning (DFIC) Process from Hi-Tech Furnace Systems is able to clean deep, narrow cracks of oxides by cycling between negative, atmospheric, and positive pressure.

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