POWER

  • Effects of Urbanization on Generation in China

    Zeng Ming, Duan Jinhui, Wang Liang, Gu Shanshan In 2013, urbanization in China reached 53.73%. Urbanization has become an important field for national reform. On the one hand, urbanization is effective for

  • A Spanish Island’s 100% Wind-and-Water Power Solution

    El Hierro, the smallest island on Spain’s Canary archipelago, in June became what developers say is the first energy-isolated territory to power itself solely with renewables. The project, which was

  • Bright Future for Energy Storage

    California has set an ambitious target of connecting 1.3 GW of energy storage to the grid by 2020. In October 2013, the California Public Utilities Commission (CPUC) mandated that 200 MW of this goal come in

  • Indonesia Eyes Tightening Coal Exports

    Indonesia, the world’s leading exporter of thermal coal, in June again suggested it could limit coal production and further tighten its control on exports to protect supply for domestic power plants

  • Grid Security Gets Physical

    The attack began at 12:58 a.m. on April 16, 2013. Between then and 1:07 a.m., attackers cut telephone and telecommunications cables to Pacific Gas & Electric’s (PG&E’s) Metcalf substation near San

  • Southeast Asia’s Energy Juggernaut

    Consensus is that the locus of world energy demand has shifted away from the U.S. and Europe to Asia, driven by the soaring economies of the 10 countries that make up the Association of Southeast Asian Nations

  • Solid Coal Ash-Handling System Avoids Problems Associated with Wet and Dry Systems

    Environmental and climate protection does not stop at the stack of a power plant. Disposal of separated combustion residuals, for example, must also be environmentally friendly. More and more nations are

  • Strategies for Inspecting HRSGs in Two-Shift and Low-Load Service

    Aheat-recovery steam generator (HRSG) is much like other power generation equipment—run it at design conditions and chances are it will run with high availability and require only routine maintenance for

  • Treating WTE Plant Flue Gases with Sodium Bicarbonate

    Sodium bicarbonate is an adsorbent that has been used for a relatively short time in industrial flue gas treatment (FGT) processes. This additive is especially interesting for operators of smaller

  • WATER AWARD: Jeffrey Energy Center’s Constructed Wetland Treatment System

    U.S. coal power plants are finding that they need to comply with an increasing number of stringent environmental regulations, and while nobody in any industry looks forward to additional regulatory burdens

  • Welding and Fabrication Innovations Mitigate Reactor Pressure Vessel Embrittlement in Nuclear Plant Construction

    Reactor pressure vessel (RPV) shells in the existing U.S. fleet of nuclear power plants were typically constructed by forging ring segments from ingots of low-alloy steel offering sufficient fracture toughness

  • MARMADUKE AWARD: KOMIPO Relocates an Entire Combined Cycle Power Plant

    Power plants are, with good reason, almost universally regarded as fixed assets to be operated, maintained, and retired on the spot where they were built. The idea of relocating something as large and

  • The EPA’s Clean Power Rule in Three Infographics

    Under rules proposed by the Environmental Protection Agency (EPA) on June 2, 2014, existing fossil fuel–fired U.S. power plants must comply with state-specific goals to lower carbon pollution from the power sector by 2030, while modified and reconstructed power plants will be subject to technology-based performance standards. The EPA’s “Clean Power Plan” rule affecting existing […]

  • Power British Columbia

    British Columbia (BC) has long enjoyed some of the lowest electricity costs in North America, but when in August 2013, a draft of the BC Rates Plan which proposed a 26% rate increase by 2016, was leaked, this was met with such a backlash of protest that the government was forced to reconsider the proposal. […]

  • Evolved Strategy Accelerates Zion Nuclear Plant Decommissioning

    The decommissioning of nuclear plants has developed into a mature industry in the U.S. It started in the 1960s with the dismantling of low-power prototype and test reactors originally built to demonstrate

  • RWE’s Thomas Birr on Corporate Strategy in a Changing German Electricity Ecosystem

    RWE AG is Europe’s third-largest electricity and fifth-largest gas marketer, with holdings in upstream oil and gas production, power grids, and energy trading. Its German power subsidiary has been the utility poster child for the effects of the Energiewende, the transformation of the Germany power system away from nuclear and coal toward renewable energy and […]

  • The EEI’s Campaign for Electric Utility Industry Supremacy

    At the Edison Electric Institute (EEI) annual meeting this week in Las Vegas, the tone was one of collaboration with partners from Washington to distributed generation companies. Those partnerships will be needed as the investor-owned utility (IOU) industry fights not so much a war on coal as a war for mindshare and wallet share in […]

  • Nest Thermostats: The Future of Demand Response Programs?

    Sure, the Nest Learning Thermostat is smart, user-friendly, and downright sexy, but at $249, it’s more a luxury item than a mass-market appliance. Indeed, Nest thermostats are highlighted in upscale real estate listings alongside marble countertops and stainless steel appliances. Although Nest has done well since its debut in 2011, with almost a million units […]

  • Combined Mercury and SO3 Removal Using SBS Injection

    Though no single mercury capture approach is best for all plants, when you can capture two (or more) pollutants with one sorbent, it’s worth a careful look.  The U.S. Environmental Protection Agency’s (EPA’s) Utility Mercury and Air Toxics Standards (MATS) regulation requires power plants to reduce emissions of hazardous air pollutants (HAPs), including mercury. The […]

  • Latest Electromagnetic Technology Device Improves Inspection Accuracy and Repeatability

    Eddy currents are electrical currents induced within conductors by changing magnetic fields. They are commonly used in nondestructive evaluation (NDE) and corrosion monitoring of structures with painted surfaces. The work of eddy current technicians, who specialize in the electromagnetic modality, requires a high degree of accuracy even when working under challenging testing conditions. Traditionally, technicians relied on […]

  • Biomass Exemption Sails into the Sunset

    With quickly approaching deadlines for achieving renewable portfolio standard goals, the likely lapse of a critical exemption this month may increase the challenges for meeting those mandates. Approximately four years ago the U.S. Environmental Protection Agency (EPA) took the first step in regulating greenhouse gas (GHG) emissions from electric generating units (EGUs) by promulgating the […]

  • Is Your Plant Ready for MATS?

    It has been more than two and a half years since the Environmental Protection Agency (EPA) issued national emission standards for hazardous air pollutants from coal- and oil-fired electric utility steam generating units (EGUs), and standards of performance for fossil fuel–fired electric utility, industrial/commercial/institutional, and small industrial/commercial/institutional steam generating units. Specifically, the rule created mercury […]

  • The Water-Energy Nexus Takes Center Stage

    Power plant operators have long understood the vital role water plays in power generation. Now, as the rest of the world begins recognizing that as well, a conflict is brewing between the growing demand for electricity and increasingly strained water resources. Unless you’ve been living in a cave, you’ve likely heard the term “water-energy nexus” […]

  • Shifting Sands: The Middle East’s Thrust for Sustainability

    Economic and population booms forecast for several countries in the oil- and gas-rich Middle East are forcing a reassessment of those countries’ historic reliance on fossil fuels and a new focus on securing sustainable electricity and water supplies.  The Middle East is a region of extremes. While some countries enjoy opulent wealth, others are some […]

  • Geoengineering: A Practical Climate Work-Around or Just Plain Crazy?

    Faced with roadblocks to reducing greenhouse gas emissions via globally meaningful regulations or carbon pricing schemes, some scientists say it’s time to consider even more drastic human intervention. As it looks increasingly unlikely that the world will adopt a political and economic approach to reducing greenhouse gas emissions—primarily carbon dioxide—what was once regarded as a […]

  • Blurring the Line Between Temporary and Permanent Power

    Temporary power may be the most widely distributed “distributed” generation worldwide, and its distribution is spreading, thanks to its ability to quickly meet urgent needs not only for event, construction, and post-disaster emergency power but also for fast-growing economies and stressed grids. That’s making it a serious competitor for “permanent” power in some situations. When […]

  • Springerville Generating Station Earns PRBCUG 2014 Honors

    The Springerville Generating Station has been a work in progress since the first unit entered service in 1985. The PRBCUG recently recognized Springerville with its 2014 Plant of the Year award for implementing industry best practices, continual improvements, and worker safety.  The presentation of the Powder River Basin Coal Users’ Group (PRBCUG) Plant of the […]

  • Does IGCC Have a Future?

    Once touted as the savior of coal power and the future of clean coal generation, integrated gasification combined cycle (IGCC) technology has seen its prospects swamped by soaring costs and technological challenges. Though it remains controversial, its proponents are not ready to give up. If you’re an energy sector observer with an interest in integrated […]

  • As Clean Energy Accelerates, a New Era of Choice Is Upon Us

    Though our current power grid is more sophisticated and reliable than when Thomas Edison designed it nearly a century ago, it uses the same model: A company burns fuel to create electricity, which is then sent hundreds of miles along inefficient wires to customers who are given a single energy choice: on or off. Now, […]