The push for clean energy notwithstanding, no silver bullet can cure the challenges that our continued use of carbon engenders. Every form of energy production, green or black, clean or dirty, presents downsides. Siting an energy facility—whether clean energy, hydro, natural gas, coal or nuclear—inherently imposes some form of environmental harm. For renewables, one of […]

Owner/operator: Mátra Power Plant Co. Ltd. Hungary’s largest coal-fired power plant is a model of efficiency and environmental impact despite its 1960s-era vintage. Continual upgrades have kept the plant running smoothly, and a modern dense slurry ash-handling system keeps combustion residuals under control and allows for a zero liquid discharge posture. Unlike some of its […]

Owner/operator: NTPC Ltd. India’s state-owned generator NTPC operates a large fleet of power plants across the nation, and one of its top performers is found outside the capital of New Delhi. Staff at NTPC Dadri have taken a proactive, innovative approach to maintaining their plant, making it one of the most efficient in India despite […]

Owner/operator: Malakoff Corp. Bhd. Building a power plant on a site previously used for an aquaculture farm comes with more than a few challenges. For the Tanjung Bin Energy Power Plant, that meant some redesign and rework was required. Even so, the GE-led construction consortium made adjustments and delivered the state-of-the-art ultrasupercritical project on time […]

While it’s true that coal ash can be an environmental hazard if it’s not properly managed, there are a lot of positive uses for coal combustion products that actually provide benefits to the world. Many beneficial uses have been around for decades, but valuable new options are being developed, and some are starting to make […]

Like so many other power plant functions these days, regulatory and standards compliance can be automated. Know what you want an automated system to do before you make a vendor decision. As North American Electric Reliability Corp. (NERC) Critical Infrastructure Protection (CIP) enforcement deadlines and audit dates loom—notably, CIP-003-6 in April 2017, which addresses the […]

High-speed turbine rotor balancing was once rare because of the costs and logistical challenges involved in doing it during an outage. That’s begun to change as economic options emerge, and experience is showing that high-speed balancing can pay big dividends in reliability and maintenance costs. To a maintenance engineer or fleet manager, unwanted vibration in […]

South Africa’s state-owned utility faces recent generation shortages, plant construction problems, load shedding, and uncertainty at the African continent’s only nuclear power plant. And that’s just on the generation side. Moves on the business planning and regulatory side are painfully slow and could, some argue, be writing the utility’s obituary. Eskom, South Africa’s state-owned monopoly […]

For all the words published over the past several years about electric utility customer defection—thanks to the combination of lower-cost residential solar photovoltaic systems, tax incentives, and net

Look to the East and you’ll see a major initiative to transform New York’s electric grid into a cleaner, more efficient system. Look to the West and you’ll find ambitious clean energy legislation in California. Yet utility executives and federal regulators recently gathered in the Midwest to highlight how this region is ground zero for […]

Brazil’s environmental protection agency, IBAMA, in early August canceled development permits for an 8-GW hydroelectric project on concerns about its social and ecological impacts. If built as proposed by a consortium of multinational companies—including Brazilian parastatal Eletrobras and private sector partners GDF Suez/Engie, EDF, Camargo Correa, Neoenergia, COPEL, and Endesa Brasil—the São Luiz do Tapajós […]

When a gas turbine goes down, recovery can be an expensive, time-consuming process. Knowing what can go wrong and how to anticipate turbine failures can help you avoid a difficult unplanned outage. Gas-fired power is hot and getting hotter. The Energy Information Administration estimates that 2016 will be the first year ever that the U.S. […]

One of the world’s first offshore tidal energy arrays was connected to Scotland’s grid this August. On its heels is the grid connection of a second array that is owned by a different company. Nova Innovation, a Scottish tidal energy company founded in 2010, on August 28 grid-connected the second of three 100-kW Nova M100 […]

For all its record-breaking achievements for speed, innovation, and efficiency, the 3,960-MW Sasan Ultra Mega Power Project should have been a POWER Top Plant. But the unique project has been plagued by serious setbacks—including loss of life—that show how perilous the plant construction journey can be. A decade ago, India was suffering a power crisis […]

Mexico to Launch Pilot Carbon Trade Program. Mexico will launch a yearlong simulation of a cap-and-trade program this November. The pilot program will involve up to 60 companies, allowing them to adapt a

Researchers from Cornell University have developed an oxygen-assisted aluminum/carbon dioxide power cell that uses electrochemical reactions to capture carbon dioxide (CO2) and produce power in the process. The cell developed by Lynden Archer, the James A. Friend Family Distinguished Professor of Engineering, and doctoral student Wajdi Al Sadat would use aluminum as the anode and […]

Under a government decree published in early August, Russia will build up to 11 new nuclear reactors by 2030, including two BN-1200 sodium-cooled fast-neutron reactors. Russia already has 36 operating reactors

The Federal Energy Regulatory Commission (FERC) last week unanimously adopted a final rule on reliability standards to address the threat to the grid from geomagnetic disturbances (GMD).

In response to what was a record earthquake for the country, four of South Korea’s 25 nuclear power plants have been shut down as a precautionary measure.

Owner/operator: APR Energy Within roughly 90 days, APR Energy set up a 60-MW turnkey power plant—complete with novel natural gas filtration and compression solutions—to support the operations of a massive Egyptian polyethylene plant until a bigger, permanent power plant can be built. It all began in April 2013, when Egyptian Ethylene and Derivatives Co. (ETHYDCO) […]

Owner/operator: PSEG New Jersey’s second-largest power plant has been a leader since it opened in 2006, when it was named a POWER Top Plant for its use of reclaimed water for cooling and for fitting an advanced four-unit facility into a constrained brownfield site. Now PSEG’s Linden Generating Station becomes a two-time Top Plant winner […]

Owner/operator: We Energies Converting a boiler’s fuel source from coal to natural gas involves a lot of planning and reengineering. When the plant is the sole steam service supplier to a downtown metropolitan area, it also involves a rigid schedule. The Valley Power Plant overcame several challenges to successfully complete one such conversion. The Valley […]

The second World Nuclear Exhibition was held at a moment in time when the prospects for nuclear power are both tantalizing and frustrating. One thing is clear: The dynamics of the nuclear power industry have changed recently—and so have the solutions proposed for achieving greater certainty. One of the strongest arguments nuclear power has going […]

As combined cycle gas turbine plants are called upon to play a larger and more flexible role in the generation mix, it’s important to schedule a comprehensive assessment of major components at key intervals to ensure reliable operation. Just like humans, power plants can benefit from regularly scheduled condition assessments, which are sometimes called “health […]

As the U.S. enters the final stretch of what seems like an interminable presidential campaign, I’ve been thinking about the motto “ e pluribus unum” (out of many, one). That motto also applies to the power industry. The U.S. is composed of many states, individuals with family origins in virtually every part of the world, […]

Deciding to retire a coal-fired unit is often a tough call, but even tougher decisions follow. The next steps taken by a generation owner have multiple economic, environmental, and stakeholder consequences. Since 2000, U.S. generating companies (Gencos) have announced the closure of more than 200 coal-fired power plants, totaling 102 GW of generating capacity. Closures […]

A new assessment tool developed by engineers at Oregon State University (OSU) could allow people, agencies, and communities interested in developing small-scale hydropower plants in remote places to easily and accurately assess whether a potential project would meet their current and future energy needs. The free, open-source computer modeling package dubbed the Hydropower Potential Assessment […]

The U.S. nuclear power business is in trouble, and Exelon has six units totaling more than 5,300 MW of dependable capacity on the chopping block. How will the Chicago electricity giant respond? Perhaps by acquiring more nuclear capacity? Chicago-based Exelon Corp., the largest nuclear power generator in the U.S., is facing what could be the […]

Danish firm DONG Energy has begun building one of the world’s first bioresource power plants that will produce electricity from household waste by using enzymes to convert the waste to biogas. The commercial 5-MW plant under construction in the UK city of Northwich could be commissioned in early 2017. It will use the company’s proprietary […]

P OWER Editor Gail Reitenbach interviewed King Lee of Lloyd’s Register on June 29 at the World Nuclear Exhibition in Le Bourget, France. The firm is a “non-profit distributing charity with a public benefit