POWER [July 1, 2015]

Cover Stories

A Brief History of In-Stack PM Measurement

This is an online supplement to the feature story “The  Need for Alternate PM2.5 Emission Factors for Gas-Fired Combustion Units” in the July 2015 issue of POWER. The history of…

Continuous Water Washing in Wet Electrostatic Precipitators Reduces Capital Cost in the Chinese Market

As the Chinese government lowers the particulate matter (PM2.5) limits to 5 mg/Nm3 or less in coal-fired power plants, wet electrostatic precipitators are one of the key environmental components utilities…

Don’t Let Leachate Derail Your CCR Landfill Plans

Developing a compliance approach for a new regulation sometimes means overlooking unintended consequences of the chosen compliance method. Preparing for compliance with the new U.S. Environmental Protection Agency (EPA) regulations…

The Need for Alternate PM2.5 Emission Factors for Gas-Fired Combustion Units

The Environmental Protection Agency’s emission factor resource, AP-42, is not your only option for developing particulate matter (PM) emission rates. Results of a prominent PM emissions measurement research program for…

Using an Optical PM CEMS with Wet FGD for MATS Compliance

Of the three ways to comply with the Mercury and Air Toxics Standards for particulate matter (PM) measurement, using an optical PM continuous emissions monitoring system (CEMS) also delivers valuable…

Features

Ignalina: Decommissioning Chernobyl’s Big Sister

This is a web supplement to “Riding Off into the Sunset: Nuclear Decontamination and Decommissioning Update,” appearing in the July 2015 issue of POWER.   The Ignalina Nuclear Power Plant…

Public Power "Big Dog" TVA Takes Fresh Approach to Resource Planning

At the Tennessee Valley Authority (TVA), generation transitions are nothing new. The nation’s largest public power system—with 34 GW of generating capacity, supplying retail distributors with nine million

Riding Off into the Sunset: Nuclear Decontamination and Decommissioning Update

The International Energy Agency predicts that nearly 200 reactors will be decommissioned during the next 25 years. Industry best practices and new technology can help make the process go more…

Solar and Storage Find Common Ground

Concentrating solar power has found a partner in thermal storage, but costs remain high. Solar photovoltaic generation may have a partner in rapidly expanding battery options, but the economics are…

The Clean and Dirty of Landfill Gas Power

Despite its apparent environmental benefits and strong government backing, generating power from landfill gas hasn’t gained traction for a variety of reasons in the U.S. Will the Clean Power Plan…

The Voters Were Right: Colorado and Minnesota’s Paths to Clean Energy

Voters in Colorado and stakeholders in Minnesota forced through unique managed generation transformation plans that paved the way for aggressive state renewable and clean energy standards—inadvertently pushing their utilities out…

Wind Is Mainstream, and Other Insights from WINDPOWER 2015

Wind is no longer a niche alternative energy industry, American Wind Energy Association (AWEA) CEO Tom Kiernan told attendees at WINDPOWER 2015.  Despite policy hurdles, the wind sector has seen…

Xcel Energy's Harrington Generating Station Earns Powder River Basin Coal Users' Group Award

Harrington Generating Station, located near Amarillo, Texas, began burning Powder River Basin (PRB) coal when its units first entered service, beginning in 1976. A unique feature of the plant is…

Departments

Commentary

NETL: Providing Energy Technology Solutions and Options

The United States is continuing its successful track record of providing global leadership in technologies critical to ensuring the prosperity of current and future generations, as it has done for…

Legal & Regulatory

Increasing Environmental Challenges for Renewable Energy

For decades, renewable energy sources—primarily wind and solar—have been touted as the answer to continued reliance on fossil fuels. The technology has substantially improved, reducing unit costs, and state-imposed requirements…

Focus on O&M

Metallurgical Aspects of Secondary Combustion on Boiler Pressure Parts

Controlling combustion in fossil fuel power plants in order to control the emission of pollutants sometimes has adverse effects on plant equipment, including certain metals. To understand how to address…

Prevent Contamination and Corrosion in Demineralized Water Storage Tanks Using Nitrogen Sparging and Blanketing

The electric power generation industry relies heavily on demineralized and deionized water during process operations. Managing the water supply is critical not only under normal operating conditions, but also during…

Global Monitor

Australian Lawmakers Strike RET Deal

The political impasse stalling investments in renewables in Australia was breached in mid-May after lawmakers reached an agreement to revise the renewable energy target (RET). After months of intense wrangling,…

New Approach Powers Bladeless Wind Turbine

An innovative wind turbine concept currently in the prototype phase captures the energy of vorticity, an aerodynamic effect also known as the “vortex shedding effect.” As the wind bypasses a…

Nigeria Has Gas Capacity, Gas Supply, but Little Gas Power

Nigeria brought 1.5 GW of natural gas–fired generation from three brand new power plants online in May, adding much-needed capacity to the grid. But because the West African country that…

POWER Digest

Beacon Power to Supply Flywheels for Hybrid Alaska Energy Storage Project. Beacon Power on May 26 said it will supply flywheels for a hybrid energy storage project in Anchorage, Alaska, as part of an agreement

Report: World Is Seeing an Upsurge of Hydropower Development

The global hydropower sector has seen an upsurge in development activity lately, with installed capacity growing by 27% since 2004 (Figure 2), a new report from the World Energy Council…

Russia Sees Floating Nuclear Power Plant Costs Balloon

Costs for the Akademik Lomonosov, Russia’s flagship floating nuclear power plant, have reportedly mushroomed to 37 billion rubles ($700 million), an increase of more than 300% from the original 2006…

South Africa Outlines Plans to Tackle Power Crisis

South Africa’s energy minister Tina Joemat-Pettersson has pledged urgent resolution of the nation’s worsening power crisis. In her annual budget and policy speech in Cape Town on May 19, Joemat-Pettersson…


Vietnam Sees Start of Major Private Coal Plant

The 1,240-MW coal-fired Mong Duong 2 power plant in Vietnam—the country’s first new private sector power plant to be commissioned in the past 10 years—began commercial operations on May 11,…

Wave Energy: Size Matters

Australian firm Carnegie Wave Energy, operator of the Perth Wave Energy Project—the world’s first commercial-scale, grid-connected wave energy array—is on target to take its CETO technology to the next stage…

Speaking of Power

Public Power and IOUs: The Same Yet Different

What separates investor-owned utilities (IOUs) and public power companies these days? Less than you might imagine. In early June, while the Edison Electric Institute (EEI), the trade association for IOUs,…

GBR Reports