POWER [May 1, 2015]

Cover Stories

Batteries Are Carving Out Space on the Grid

Falling prices and technological improvements have brought battery storage systems into direct competition with traditional distributed generation, demand response, and peaking generation resources. But making one work efficiently and profitably…

Distributed Power's Rising Importance for U.S. Electrical Infrastructure

Renewable generation may be the most talked-about form of distributed power these days. However, historically, engine- and turbine-based smaller-scale generation—strategically located where needed by loads or for grid support—has supplied…

New York's Reforming the Energy Vision

The digital economy has changed the way we shop for clothing, travel, communicate with friends and family, consume news, and watch television—among so many other things. But the innovative potential…

Solar Gardens: A Fast-Growing Approach to Photovoltaic Power

How to give electricity customers who can’t take advantage of rooftop solar access to the sun? Community solar—a shared resource—is a fast-growing segment of the renewable energy market, making solar…

Features

ALLETE's Latest Transition Acknowledges the Water-Energy Nexus

ALLETE Inc., a Minnesota holding company known mostly for its Minnesota Power subsidiary, is making a major strategic transition into the broader world of energy services, exemplified by its recent…

Best Practices for Maximizing Condenser Efficiency

Sometimes overlooked and underappreciated, a power plant condenser can make or break your efficiency and power delivery goals. Understanding how important a role your condenser plays is a good step…

CCS Development, the Key to Coal Power's Future, Is Slow

Advocates for the continued reliance on coal for baseload electricity cheered late last year when North America’s largest power-related carbon capture and sequestration (CCS) facility was commissioned. Since then, that…

The Carbon Capture and Storage R&D Frontier

Given the costs and other concerns about currently available technologies for capturing and storing carbon dioxide from fossil-fueled power plants, interest in new technologies remains high. Here’s a look at…

Underground Piping: Out of Sight, Out of Mind, Until It Leaks

When many older plants were built, steel and cast iron piping were common materials used underground. Although these materials have proven to have long, useful lives, improvements in plastics offer…

Departments

Commentary

Texas Reliably Integrates Growing Wind Resource

If you have been paying attention to renewable energy growth in the U.S. during the past decade, you likely know that Texas leads the nation in wind power development. In…

Legal & Regulatory

Clean Air Act Section 111(d): The Case for Multi-State Compliance

This summer, the Environmental Protection Agency (EPA) will finalize its Clean Power Plan under Section 111(d) of the Clean Air Act, requiring existing fossil fuel–fired electric generating units (EGUs) to…

Focus on O&M

Innovative Wind Turbine Blade Inspection and Maintenance Tools

The life of a wind turbine can be pretty precarious. The blades—made of laminated materials, such as composites, balsa wood, carbon fiber, and fiberglass—can reach speeds up to 180 miles…

Global Monitor

Egypt Moves to Boost Gas and Wind Generation

The Egypt Economic Development Conference (EEDC) in Sharm El-Sheikh resulted in some big agreements for the Egyptian government, including a reported $10.5 billion deal with Siemens and a $1.7 billion…

Experts: Gas Could Challenge Coal in Asian Power Mix

Coal has dominated fuel choices in Asia since 2010, even in gas-centric Southeast Asian countries, and many forecasts assume that coal will remain the region’s most economical option. But lower…

GE's New HA Turbines Nearing Delivery

General Electric’s (GE’s) new flagship HA turbines, which will be the largest and most efficient in their class when deployed, will see their first delivery at EDF’s Bouchain combined cycle…

Kenya Banks on Geothermal for Majority of Its Power

After adding a 280-MW geothermal power complex to its grid last year, Kenya is producing most of its power from geothermal sources, says the state-owned Kenya Electricity Generating Co. (KenGen).…

MHI Demonstrates Wireless Power Transmission

The wireless transmission of power by microwave over long distances is viable, Japanese technology firm Mitsubishi Heavy Industries (MHI) has proved in a recent ground demonstration test. The company has…

Nordlink HVDC Project Awards Construction Contract

Europe—and especially Germany—has been struggling with how best to integrate large amounts of renewable generation while maintaining grid stability. While considerable attention has been devoted to expanding national transmission systems,…

POWER Digest

NRC Advances Design Certification of Westinghouse SMR, South Korea’s APR1400. The Nuclear Regulatory Commission (NRC) on Feb. 27 approved Westinghouse Electric Co.’s testing approach for its small modular reactor (SMR)…


The Eiffel Tower Now Houses Wind Power Generation

When it was erected in 1889 (seven years after POWER magazine was founded), the iconic iron-lattice Eiffel Tower was meant to serve as the entrance arch of the World’s Fair—and…

UK Mulls Massive Tidal Lagoon Power Project

In the UK, which has the world’s largest offshore wind capacity, in large part due to government backing, formal negotiations have begun on public funding of a £1 billion ($1.48…

Speaking of Power

The Power Industry's Spring Fever

As I write this column at the beginning of spring, I have two kinds of spring fever: excitement about warming temperatures that bring spring flowers and the “hay fever” caused…

GBR Reports