Technology

  • CHP Update: Policies, Partnerships, and Challenges

    Combined heat and power (CHP) is hot again—in more ways than one. After a surge in capacity during the 1980s, kick-started by the 1978 federal Public Utility Regulatory Policies Act (PURPA) that was designed

  • LED Lighting Improves Visibility and Saves Money for Power Plant

    Drax Power Station, a 3,960-MW six-unit facility located in North Yorkshire, England, is the largest power plant in the UK. It was constructed in two stages, with the first three units completed in 1974 and

  • CHP and Other Technologies Could Breathe New Life into U.S. Coal-Fired Power Plants

    Since the U.S. Environmental Protection Agency (EPA) released its “new source performance standard” on August 3, 2015, requiring new coal power plants in the U.S. to emit no more than 636 kg (1,400 lb) of

  • Using Sensor Technologies to Optimize Maintenance of Power Plant Water Systems

    When we undertook an initiative at Granite Ridge Energy (GRE) to identify, prioritize, and assess components that were due for their 10-year assessments, we didn’t know quite what we were taking on or how to

  • Power Technology Innovations from the Developing World

    In its recently released Energy Technology Perspectives 2015, the International Energy Agency (IEA) noted that innovation in the energy sector differs from progress in other sectors in that it tends to move

  • Fusion Power Illusions, Delusions, and Hope

    Fusion provides the energy of the sun and all stars, but harnessing fusion for civilian electric power has proven exceptionally difficult. For over 50 years the U.S. government has pursued

  • Terrorist Drones Could Pose Threat to Nuclear Plants

    Advanced drones capable of carrying sophisticated imaging equipment and significant payloads pose a serious threat to nuclear power plants and other high-profile targets, says a report released on Jan. 11 by The Remote Control Project. Analysts for Open Briefing, a London-based civil society intelligence agency, compiled the report. The group reviewed 202 commercially available drones […]

  • Big Data and the Industrial Internet Meet the Power Plant

    Another megatrend has hit the power generation industry: the Internet of Things (IoT)—countless devices with embedded electronics, sensors, and connectivity to digitally communicate with one another and

  • A Look Back at 2015: An Electric Year

    From issuance of the final Clean Power Plan to mammoth mergers, 2015 will be remembered as a tumultuous year. Twelve months ago, as folks were emerging from an eventful 2014, POWER made some bold predictions, including that fuel economics will drive 2015 U.S. power markets, and the labor crunch will complicate the gas turbine arms […]

  • THE BIG PICTURE 2015: The Year in Power Sector Infographics

    POWER‘s monthly infographic sheds light on power sector trends globally, and in 2015, it highlighted changes in plant retirements, sector revenues, rule costs, workforce, emissions technologies, and electricity costs, among other subjects. January 2015: Baseload Retirements How coal plant retirements compare with retirements of other baseload generation sources. February 2015: Power Revenues How revenues for fossil power […]

  • Coal Ash Utilization Surged in 2014 After Half-Decade of EPA Rule Uncertainty

    Coal ash utilization, which had stalled between 2009 and 2013 as the Environmental Protection Agency (EPA) prepared a final federal coal ash rule, increased significantly in 2014. According to the American Coal Ash Association’s (ACAA’s) most recent “Production and Use Survey,” 62.4 million tons of coal combustion products were beneficially used in 2014—up from 51.4 […]

  • Unintended Consequences from EPA Rules

    New rules from the Environmental Protection Agency (EPA) have several unintended consequences for the power sector, an expert said at a POWER magazine event on Dec. 7. Floyd Self, an attorney with Florida-based law firm Berger Singerman, said that the bevy of new EPA rules have helped forged mergers between electric and gas utilities and necessitated […]

  • Optimize Boiler Combustion Using Improved Flue Gas Measurement

    The presence of unburned fuel in a power plant’s ash indicates an inefficient combustion process, as some of the energy in the fuel is being wasted. Unburned fuel also poses a risk to safety; if ignited, an

  • An “Acoustic Mouse” for Handheld 3-D Imaging

    Ultrasonic testing (UT) has long been a key method for detecting defects and service-induced degradation in nuclear and fossil plant components and for supporting remaining component life assessment. But it

  • The Future of Load Control for Solar PV

    Solar power has taken off the training wheels. Once an afterthought, solar photovoltaic (PV) generation has been one of the major sources of new capacity for several years. According to statistics from the

  • Options for Optimizing Combined Cycle Plants

    Gas-fired power is booming—even more than expected. For only the second time ever, but also the second time this year, gas generated more electricity in a month in the U.S. than coal. According to statistics

  • Water-Stressed Regions Provide Proving Grounds for Advanced ZLD Systems

    In water-stressed regions outside the U.S., power producers and other industrial water users are incorporating higher levels of water reuse, some to the point of zero liquid discharge (ZLD), due to heightened

  • Biomass-Fed Organic Rankine Cycle Units Make It Big

    One of the world’s largest biomass-fed organic rankine cycle (ORC) plants is getting ready to begin operations. Italian firm Turboden is preparing to put online an 8-MW power unit in Athens, Maine, that will

  • The Potentials and Pitfalls of Battery Storage

    Battery storage firms and energy storage experts at the Energy Storage North America (ESNA) conference in San Diego Oct. 13–15 were effusive in their praise of battery storage’s potential while

  • “Revolutionary” Grid Connection for Offshore Wind Turbines Unveiled

    Siemens, the only provider of direct-current (DC) offshore wind connection projects, in October unveiled a potentially game-changing technology that it says enables cheaper and simpler grid connection of wind

  • POWER Digest (December 2015)

    GE Completes Alstom Acquisition. GE announced on Nov. 2 that a $10.6 billion deal to acquire Alstom ’s power and grid business is complete. Alstom will now entirely refocus its activities on rail transport

  • UK Axes CCS Competition, Puts Two Big Carbon Capture Power Projects at Risk

    The UK has canceled its flagship £1 billion ($1.5 billion) competition to help commercialize carbon capture and storage (CCS) technology from power plants. The decision by the Department of Energy and Climate Change (DECC) was announced in a three-sentence release to the London Stock Exchange just days before crucial climate change negotiations are due to […]

  • Acquisition of GE, Alstom Technology to Give Ansaldo Energia Major Market Boost

    Italian energy giant Ansaldo Energia says its acquisition of Alstom’s GT 26 and GT36 gas turbine assets and technology, as required by European regulators, will allow the company to increase its turnover twofold in the coming five years. The firm owned 44.8% by Italian state-owned holding company Fondo Strategico Italiano and 40% by Chinese equipment […]

  • GE’s Acquisition of Alstom’s Power and Grid Business Is Official

    Following regulatory approval of a $10.6 billion transaction in over 20 countries and regions, GE’s acquisition of Alstom’s energy activities is now complete. GE and Alstom sealed the deal first proposed in early 2014 with the signing of a 1,500-page “master agreement.” GE had initially proposed buying Alstom’s lucrative business for €12.35 billion, but following […]

  • SaskPower Admits to Problems at First “Full-Scale” Carbon Capture Project at Boundary Dam Plant

    Once again, a first-of-a-kind technology at a coal-fired power plant that is designed to reduce its greenhouse gas footprint has run into design, operational, and cost problems. This time, it’s Saskatchewan, Canada utility SaskPower’s Boundary Dam Carbon Capture project that’s facing scrutiny. (Earlier this week, an overdue precombustion carbon capture project, Mississippi Power’s Kemper County […]

  • Kemper IGCC Celebrates Key Milestone, Suffers New Cost Increases

    Mississippi Power has revealed a new cost increase of $110 million for its Kemper County integrated gasification combined cycle (IGCC) facility. But, the company said that it has tested one of two gasification units—reaching what it says is the project's "most significant milestone yet"—and that it does not expect any new delays. Testing the gasifiers […]

  • Information-Sharing Cybersecurity Bill Clears Senate, On Track to Be Enacted

    The U.S. Senate has approved the Cybersecurity Information Sharing Act (CISA), controversial legislation intended to block the deluge of cyberattacks by opening up communication channels between the private sector and federal agencies.   Senate Bill 754 introduced in March by Sen. Richard Burr (R-N.C.) and co-sponsored by Dianne Feinstein (D-Calif.) passed the Senate by a […]

  • Swiss Company Aims to Build Commercial Scale Direct Air Carbon Capture Plant

    The ETH spin-off company Climeworks AG has announced plans to construct and operate an industrial scale CO2 capture plant to be operational by mid-2016. The Oct. 21 announcement said the plant in Hinwil (Canton of Zurich, Switzerland) “has the capacity to capture 900 tons of CO2 from the atmosphere per year.” For comparison, The Carbon […]

  • Scoping Out the Future of Battery Storage

    Battery storage has emerged from the fringes of the power sector to challenge both industry conventions and traditional generation. Where it goes from here, however—the future of battery storage technology—is a matter of some debate. Both storage firms and energy storage experts at the Energy Storage North America (ESNA) conference in San Diego Oct. 13-15 […]

  • Carbon Engineering Launches Novel Carbon Capture Pilot Project in Canada

    Alberta-based Carbon Engineering is inaugurating a pilot project today in Squamish, British Columbia, that will capture carbon dioxide (CO2) directly from the atmosphere. The company, funded by private investors, including Microsoft founder Bill Gates and oil sands financier Murray Edwards, has developed technology based on research conducted by Harvard University–based Professor David Keith’s research groups […]