Established 1882 * Vol. 159 * No. 7 July 2015 ON THE COVER New waste material storage silos were just one of many components installed as part of a state-of-the-art air quality control system retrofit project on Units 1 & 2 at the Columbia Energy Center in Wisconsin. Courtesy: Black & Veatch SPEAKING OF POWER Public Power and IOUs: The Same Yet Different 6 GLOBAL MONITOR Nigeria Has Gas Capacity, Gas Supply, but Little Gas Power Report: World Is Seeing an Upsurge of Hydropower Development Russia Sees Floating Power Plant Costs Balloon Australian Lawmakers Strike RET Deal THE BIG PICTURE: Emissions Controls New Approach Powers Bladeless Wind Turbine South Africa Outlines Plans to Tackle Power Crisis Vietnam Sees Start of Major Private Coal Plant Wave Energy: Size Matters POWER Digest FOCUS ON O&M Metallurgical Aspects of Secondary Combustion on Boiler Pressure Parts Prevent Contamination and Corrosion in Demineralized Water Storage Tanks Using Nitrogen Sparging and Blanketing LEGAL & REGULATORY Increasing Environmental Challenges for Renewable Energy By Gerald George, partner, Davis Wright Tremaine COVER FOCUS: ENVIRONMENTAL ISSUES This month's set of articles on our focus topic take you beyond familiar compliance strategies to explore new and alternative options as well as ways to ensure you're making informed decisions you can live with for the long haul. Don't Let Leachate Derail Your CCR Landfill Plans Because of the potential for leachate to put a landfill operation into regulatory violation, it is important for power producers to put leachate management steps into their designs. Continuous Water Washing in Wet Electrostatic Precipitators Reduces Capital Cost in the Chinese Market China is lowering particulate matter limits on coal-fired power plants and is looking to deploy precipitators with the best capital cost and operating profiles. Using an Optical PM CEMS with Wet FGD for MATS Compliance An optical particulate matter continuous emissions monitoring system (PM CEMS) can overcome the problem of interference from condensation and water droplets when using an in-situ particulate monitor after a wet flue gas desulfurization (FGD) system for Mercury and Air Toxics Standards (MATS) compliance. The Need for Alternate PM2.5 Emission Factors for Gas-Fired Combustion Units It's time to consider alternatives to the Environmental Protection Agency's emissions factors for gas-fired units. July 2015 | POWER www.powermag.com 51 32 1 36 32 28 8 8 10 10 12 14 16 16 17 18 16 20 21 26http://www.powermag.com