8 PLANT EFFICIENCY 58 A Proposed Definition of CHP Efficiency Want to start an argument among different power plant technology proponents, especially when combined heat and power (CHP) is part of the scenario? Ask them to define plant efficiency. Want to settle that argument peacefully and rationally? Read this article first. DEPARTMENTS 6 SPEAKING OF POWER Scientific Calculator 24 GLOBAL MONITOR 8 New York Coal Plant to Get 20-MW Energy Storage System 8 Offshore Wind Takes Off Around the World 10 Competition for Offshore Turbine Market Heats Up 10 Finnish Government OKs Two Nuclear Plant Proposals 12 Hoover Dam Contracts for Low-Water Hydroelectric Turbine 13 DOE Expedition Confirms Resource-Quality Gas Hydrate in the Gulf of Mexico 14 The Backpack Power Plant 16 POWER Digest FOCUS ON O&M 18 Variable-Frequency Drives Upgrade Reactor Circulating Pumps 20 KEMA Conference Report: Competition Strengthens as Wholesale Power Prices Fall 24 Design of Experiments Reduces Time to Market 24 Keep Oil Leaks Under Control LEGAL & REGULATORY 52 28 Energy Storage: Renewables' Necessary Partner By Angela Neville, JD 64 NEW PRODUCTS 72 COMMENTARY The Second Wave of the Smart Grid By David Leeds, smart grid analyst at GTM Research 2 www.powermag.com POWER | June 2010http://www.powermag.com