POWER [March 1, 2017]

Cover Stories

A Comparison of ELG Compliance Options for Flue Scrubber Wastewater

Meeting the requirements of the Effluent Limitations Guidelines (ELG) means careful consideration of the various options. Both biological treatment and zero liquid discharge (ZLD) approaches have their place, but ZLD…

Cooling Towers: Efficiency Waiting to Happen

Cooling towers serve the vital role of cooling water for power plant heat exchange equipment. Sustaining excellent system performance is important because a one-degree increase in water temperature can cause…

Lowering Cost and Waste in Flue Gas Desulfurization Wastewater Treatment

Many informative articles have been published about options for treating flue gas desulfurization wastewater, but new technologies are rapidly changing the treatment possibilities. This article reviews key economic considerations and…

Reclaimed Water Reduces Stress on Freshwater Supplies

Power generation need not be another source of strain on diminishing freshwater resources. Well-established water reclamation technologies are enabling producers to conserve resources—and money. Meeting the

Using Reclaimed Water in Power Plant Cooling Applications

Using reclaimed water as a makeup supply for cooling tower systems has become a popular option for reducing impacts on local water resources, but it comes with its own challenges because of its unique

Features

A 100% Renewable Grid: Pipe Dream or Holy Grail?

The boom in renewable energy, spurred by dramatically falling costs, has led some experts and political figures to begin talking seriously about what was once science fiction: A world powered…

Duck Hunting at the California Independent System Operator

California’s excess of solar power challenges the statewide independent system operator’s ability to balance its system without curtailing low-carbon supplies and ramping up natural gas generation. It’s

New and Improved Insurance Offerings Provide Power Plants with More Options

Risk is inherent in all businesses, but power plants face unique perils that require the right protection. Property and casualty insurance may not be enough; equipment breakdown, business interruption, weather…

Departments

Commentary

Progress on GHG Emissions Reduction in Canada's Electricity Sector

Reducing emissions from the electricity sector continues as a primary transformational goal of government policy-makers, and the private and public companies managing electricity generation in Canada. Impressive progress has been…

Legal & Regulatory

Trump’s Two-for-One Special on Federal Regulations

On January 30, as part of a flurry of new policies, President Donald Trump signed the “Presidential Executive Order on Reducing Regulation and Controlling Regulatory Costs.” The stated purpose of…

Focus on O&M

Eddy Current Tube Inspections Efficiently Find Defects

Eddy current testing is a well-established method of nondestructive testing that is used to examine nonferrous/nonmagnetic materials such as condenser and heat exchanger tubes in power generation plants. Eddy current…

Protecting Critical Infrastructure

Society is highly reliant on the safety and stability of critical infrastructure. From boiling a kettle to maintaining national security, an interruption in the electricity supply can cause serious damage to

Global Monitor

Big Winds for Big Offshore Wind Turbines From Siemens, MHI Vestas

Siemens has installed the prototype of its towering 8-MW offshore direct-drive wind turbine at a national test center in Østerild, Denmark, marking the company’s foray into the global race to…

Europe Tackles Cybersecurity

Several European countries have moved to adopt distinct cybersecurity measures as a result of the increased interconnectivity within Europe’s energy system along with a changing paradigm that includes decentralized power…

HECO Tests Virtual Power Plant in Hawaii

The Hawaiian Electric Co. (HECO) and technology service company Stem Inc. have successfully tested nearly 1 MW of energy storage systems at 29 commercial sites on Oahu, the companies said…

Low LNG Prices Fuel Interest in LNG-to-Power Projects

Stricken by falling prices, producers of liquefied natural gas (LNG) are looking to exploit an emerging trend that integrates the fuel source with power generation. According to Houston-based international law…

New Construction Milestones for AP1000 Units

Construction of four AP1000 units—the first new nuclear reactors in the U.S. in decades—is moving along at Vogtle 3 and 4 in Georgia and at the V.C. Summer nuclear power…

POWER Digest

Rolls-Royce SMR Design Gets Research Center’s Technology Support. Efforts to bring a proposed small modular reactor (SMR) developed by Rolls-Royce to the UK market will have the backing of the…


UAE to Rely on Renewables Over Long Term

A long-term energy strategy unveiled by leaders of the United Arab Emirates (UAE) in early January suggests that the federation on the Arabian Peninsula will increasingly rely on renewables to…

Speaking of Power

The Changing of the Guard

There’s a new sheriff in town—Washington, D.C., that is. President Donald Trump has taken the reins from Barack Obama, and he’s come out with guns blazing. It’s true—the new administration…

GBR Reports