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Power


Monthly Issue | March 1, 2013

The Spotlight on a Mexican Success Story

Energy demand in Mexico, according to the Secretary of Energy (SENER), will increase by approximately 4% each year for the next ten years, and with it the potential for private…


POWER Digest (March 2013)

China Begins Operations at 150-MW Offshore Demonstration Farm. China Longyuan Power Group, a subsidiary of the state-owned China Guodian, in November began commercial operations at its 150-MW offshore demonstration wind…


Brazil Drought Threatens Power Supplies

A pervasive drought in northeast Brazil has dried up power supplies from the region’s hydropower facilities, making the area prone to blackouts and crippling economic growth in one of the…


Japan Banks on LNG

Japan’s scramble to replace generation lost from nuclear power plants that were shuttered after the March 2011 Fukushima Daiichi nuclear accident has forced it to rely on pricey imports of…


Biogas: An Alternative Energy Source

Most professionals in the energy industry know about biomass; fewer of us are conversant with biogas. This commentary explains the basics of biogas, with a focus on its current use…


New HRSG Line for 100-MW Gas Turbines

ATCO Emissions Management (ATCO) announced the addition of heat recovery steam generators (HRSGs) to its line of gas turbine auxiliary equipment for the power, oil, gas, and cogeneration markets. The…


EPA-Compliant Particulate Monitor

Filtersense’s new continuous particulate emissions monitor and baghouse leak detector incorporates “Automatic Zero and Span Checks” to eliminate manual calibration audits, as required by the U.S. Environmental Protection Agency (EPA)…


Quick-Release Mount for Fire Extinguishers

A new modular and durable quick-release mount for popular fire-extinguisher sizes is now available from Off-Road Solutions (ORS). The system uses two pieces of 6061-T6 billet aluminum: one attaches to…


Steam Turbine Blade Reverse Engineering, Upgrade, and Structural Design

Steam turbine blade cracking often suggests the need for an upgraded blade design. Follow the process of reversing engineering a failed blade to produce a more reliable and efficient design.…


Rethinking Wind’s Impact on Emissions and Cycling Costs

Recent reports by the National Renewable Energy Laboratory and others suggest that the emissions-reducing benefits of renewable energy sources such as wind and solar may have been overstated and the…


Selecting a Combined Cycle Water Chemistry Program

The lifeblood of the combined cycle plant is its water chemistry program. This is particularly true for plants designed for high pressures and temperatures as well as fast starts and…


Why Aren’t Construction and Demolition Wastes Considered Biomass Fuel?

You may be surprised to learn that even with the increased demand for biomass fuels for power generation, construction and demolition fuel is classified as solid waste, not biomass. Reconsidering…


Expanded Honolulu WTE Plant Delivers Triple Benefits for Oahu

Covanta Energy and the City and County of Honolulu recently completed a $300 million expansion of a 20-year-old waste-to-energy (WTE) facility. The plant is now capable of processing up to…


Techno-Economic Considerations When Using Low-Grade Coal for Power Generation

The use of low-grade coal is becoming synonymous with circulating fluidized bed (CFB) power plants. Although CFB technology may often be a better choice than pulverized coal technology, that is…


Align Generation Reliability and Fuel Supply Firmness

More and more electricity is generated by natural gas. This trend is likely to persist. Hydraulic fracturing technology is increasing domestic supplies and enabling natural gas prices to remain at…


How to Avoid Feedwater Heater Drain Design Pitfalls

Feedwater heaters are used to preheat boiler feedwater by condensing steam extracted from several stages of the steam turbine. Feedwater heaters enhance the thermal efficiency of the power plant by…


THE BIG PICTURE: Stretching the Pipeline

World natural gas demand climbed to 3,361 billion cubic meters (bcm) in 2011, increasing in all regions, with the exception of Europe. Countries with the largest volumetric gains in consumption…


Hungary Inaugurates Subsurface Repository for Nuclear Plant Waste

Construction of a $310 million repository about 250 meters below Earth’s surface for low- and intermediate-level radioactive waste from the operation and future decommissioning of Hungary’s power plants reached a…


Despite Pollution-Curbing Efforts, Dense Smog Covers Wide Swath of China

Four bouts of dense smog described as the worst air pollution in recent memory enveloped more than half of China in January, from the Beijing-Tianjin-Hebei triangle in the north of…


Nations Agree to Legally Binding Instrument to Curb World’s Mercury Emissions

Mercury emissions from power plants in 137 United Nations member countries could be subject to strict controls and reductions if an international treaty is signed by participating nations this October.…


Should the U.S. Export Natural Gas?

Controversy concerning natural gas exports flared the day the U.S. Energy Information Administration (EIA) released its estimate that U.S. natural gas exports could begin in 2021. The EIA’s analysis was…


Too Dumb to Meter, Part 9

As the book title Too Dumb to Meter: Follies, Fiascoes, Dead Ends, and Duds on the U.S. Road to Atomic Energy implies, nuclear power has traveled a rough road. In…


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