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Solar
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
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O&M
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
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Water
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
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Legal & Regulatory
Goldilocks, Ozone, and Obama’s EPA
There’s an old saying in Washington that when everyone is upset, you’ve probably done something right. By that measure, the Environmental Protection Agency’s (EPA’s) latest update to the National
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O&M
Coal Pulverizer Maintenance Improves Boiler Combustion
Coal pulverizers are the heart of a pulverized coal-fueled boiler. Often, the root causes of nonoptimized combustion lie with the pulverizers. Capacity; reliability; and environmental issues such as slagging
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Commentary
2 Billion Underserved Customers Are Waiting for Energy Services
The world has a problem. According to the World Bank, 1.1 billion people lack access to any form of modern energy service, and more than double that number lack access to adequate, reliable, affordable, and
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Renewables
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
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Commentary
Engaging Youth in Power
The challenge of getting a new generation of workers interested in the power sector is one I hear about frequently. Too many young adults are more fascinated by the tech sector, plant folks say. That may be
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Hydro
Ethiopia Begins Generating Power from 1.87-GW Gibe III Hydro Plant
Ethiopia’s generation capacity got an immense boost as operations began at the 1.87-GW Gibe III hydroelectric power plant in the middle reach of the Omo River basin this October. The plant—Ethiopia’s
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Coal
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
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Renewables
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
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Technology
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
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Nuclear
Germany: Utilities Must Shoulder Nuclear Phase-Out Costs
Germany’s nuclear power–producing companies will be able to shoulder the costs of the nuclear phase-out—including costs for decommissioning and the disposal of radioactive waste. That’s according to
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Renewables
Blue Lake Expansion Project, Sitka, Alaska
Baranof Island is home to Sitka, Alaska. Located on the outer coast of Alaska’s Inside Passage, it is accessible only by air and sea (although once on the island, standard forms of transportation are
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Wind
“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
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Renewables
Blackspring Ridge Wind Project, Carmangay, Alberta
With its vast resources of oil, gas, coal, and tar sands—some of the largest in the world—the province of Alberta has long been known as Canada’s fuel tank. Coal- and gas-fired power has supplied the
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Renewables
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
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Renewables
Desert Sunlight Solar Farm, Desert Center, California
Just how fast are things moving in solar? When we received the nomination for the massive Desert Sunlight Solar Farm in late April, the 550-MW facility was the largest solar power plant in the world, sharing
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GE Introduces New Evaporation/Solidification Technology to Meet US EPA Wastewater Discharge Guidelines for Steam Electric and Coal-Fired Power Plants
GE Evaporation/Solidification System Specifically Designed for Flue Gas Desulfurization Wastewater GE’s Current Biological and Chemical Systems Also Will Meet New EPA Rules New GE Solution is Cost-Effective, Reduces Capital and Operational Expenses ORLANDO—November 17, 2015—GE (NYSE: GE) today introduced a new evaporation/solidification technology for flue gas desulfurization (FGD) to meet the recently released U.S. Environmental […]
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Wonderware Office Bundle Simplifies Reporting and Analysis
Turnkey solution delivers user-friendly, actionable information for business improvement LAKE FOREST, Calif. – Nov. 9, 2015 – The new Wonderware Office Bundle from Schneider Electric Software streamlines the ability to access and interpret operations data, bringing “big data” benefits to a new set of users. The solution’s easy installation and native connectivity to plant floor and […]
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Legal & Regulatory
Regulators and Emissions Trading Experts Tackle Intricacies of Clean Power Plan Multi-State Solutions
One of the “flexibility” measures built into the Environmental Protection Agency’s (EPA’s) final Clean Power Plan (CPP) is the option for states to join multi-state emissions trading programs for carbon dioxide. Panelists in a session focused on this issue at the National Association of Regulatory Utility Commissioners (NARUC) annual meeting in Austin largely agreed on […]
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Legal & Regulatory
EPA’s Gina McCarthy Responds to Regulators’ Clean Power Plan Questions
Comments made at the annual meeting of the National Association of Regulatory Utility Commissioners (NARUC) suggest that the regulatory group and the Environmental Protection Agency (EPA) have been in regular dialog throughout the process of developing the Clean Power Plan (CPP), arguably the most complex environmental regulation affecting the power generation sector and electric utilities. […]
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Ansaldo Energia to acquire technology and other important Alstom assets from General Electric
The operation will allow the company to increase its turnover twofold in the coming five years, becoming an international leader in the gas turbine sector with an integrated business model, and expanding its markets in Europe, the Middle East and the United States Following the EU Commission approval on the 8th September 2015 of General Electric’s acquisition […]
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Commentary
Reduce Ozone When and Where It Matters Most
Just as we were drafting this commentary, the U.S. Environmental Protection Agency (EPA) issued a new ground-level ozone rule, tightening the standard from 75 to 70 ppb. The projected human health and environmental benefits are substantial. Yet there has been significant concern about tightening the ozone standards because of compliance cost. As it happens, our […]
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Renewables
Turning Brownfields into Greenfields: From Coal to Clean Energy
As the coal industry declines in many places around the world, can the mines it leaves behind be repurposed for cleaner energy projects that benefit multiple stakeholders, including local economies? Several existing and planned projects demonstrate that there may be multiple paths toward that transition. No question, the coal industry in Appalachia, the rest of […]
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Nuclear
On the Nuclear Frontier: New Designs Aim to Replace LWRs
Generation III nuclear reactors have not shown much ability to overcome the weaknesses of conventional Gen-II light-water reactor technology, offering at best evolutionary approaches. Is there room for a more revolutionary approach? Many parties are exploring new technologies, but it’s impossible to tell which, if any, will succeed. Last August, Andy Revkin, The New York […]
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Coal
Power Giants to Get Federal Funds to Develop Large-Scale Carbon Capture Pilots
The U.S. Department of Energy (DOE) wants GE to plan and propose a large-scale pilot test of a carbon dioxide capture solution that uses a class of amino silicone compounds used to soften hair or clothing. The
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Renewables
New Options for Solar PV
The global market for solar photovoltaic (PV) panels shows no signs of slowing down, with cumulative installed capacity expected to reach 700 GW and annual demand to pass 100 GW by 2020, according to GTM Research. This booming market has spurred manufacturers to introduce a variety of innovations intended to increase panel efficiency and reduce […]
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Nuclear
AREVA’s Next-Gen BWR Fuel Is Tested in the U.S.
AREVA has installed the first-ever boiling water reactor (BWR) assemblies in the U.S. that features an 11×11 fuel rod array, the French nuclear giant revealed this September. The new fuel design, the ATRIUM 11, has been used to produce power at two nuclear plants since April, though AREVA declined to name the reactors. However, the […]
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Gas
South Africa Puts First Large IPP Project Online
South Africa reached a milestone this September when it put online its first large-scale project owned by an independent power producer (IPP). The inauguration of the 335-MW Dedisa Peaking Power plant located