Environmental

Now that the political conventions are over and Americans must choose between two presidential candidates, the rhetoric around coal’s future continues to heat up. What neither candidate is telling you, however, is that no matter who is elected in November, no matter what the makeup of the next Congress is, America’s coal age is over. […]

FirstEnergy Corp. will sell or deactivate 856 MW of coal-fired generation to reduce fleet operating costs. The company announced on July 22 that it plans to sell or deactivate the 136-MW Bay Shore Unit 1 in Oregon, Ohio, by October 2020. In addition, Units 1–4 (totaling 720 MW of capacity) at the company’s seven-unit W.H. […]

Despite escalating growth over the past decade, the U.S. solar power sector faces potentially crippling issues concerning module supply, workforce deficiencies, and grid interconnection obstacles, according to industry experts attending an international solar and energy storage convention. The country added an estimated 14.5 GW of new solar photovoltaic (PV) capacity in 2016, and by 2021, […]

A federal appeals court has stayed a regional haze rule finalized by the Environmental Protection Agency (EPA) earlier this year that had threatened to close up to 8.4 GW of coal-fired power capacity in Texas. In a unanimous ruling on July 15, the U.S. Court of Appeals for the Fifth Circuit granted a motion for […]

Southern Co.’s Kemper County energy facility—the only carbon capture and storage (CCS) integrated gasification combined cycle (IGCC) power plant that is under construction—is producing syngas using lignite. The plant marked its most significant milestone to date on July 14, said Southern Co.’s Mississippi Power. It means that the first-of-its-kind technology to convert locally mined lignite […]

The “polar vortex” storm of January 2014 blew in big changes to PJM Interconnection’s operations. But these changes are now the subject of a lawsuit filed by environmental groups, alleging they discriminate against clean energy sources. The sub-zero temperatures froze coal piles and gearboxes. Natural gas plants, lacking firm contracts for fuel delivery, were unable […]

Witnesses at a Congressional hearing raised concerns about the complexity, costs, legality, and feasibility of the 3,900 final rules published by the Environmental Protection Agency (EPA) during the Obama administration. A large portion of those rules affect the power sector, but none are more contentious than the Clean Power Plan, regulatory and citizen interest experts […]

Discussions about environmental issues related to power plants and the regulations governing their operation are as old as the industry, I discovered while thumbing through the bound July through December 1914 issues of POWER. The specifics of the environmental concerns have become more detailed and complex as scientific knowledge, monitoring technologies, and mitigation solutions advance. […]

Renewable generation is usually characterized as more environmentally friendly than fossil fuels, and in many respects, that’s true. But there is a growing recognition that solar and wind generation have their own impacts, and an increasing number of manufacturers and generators are looking for ways to minimize them. Iceland might be about the last place […]

Plant wastewater treatment is not what it once was, and changes in the Environmental Protection Agency’s effluent limitations guidelines (ELG) have added a host of new wrinkles. A panel of power plant experts discussed what plant managers are planning and doing to keep things running smoothly within the new rules. For more than three decades, […]

Lake Kivu, the 1,040-square-mile “killer lake” that stretches over the border between Rwanda and the Democratic Republic of Congo (DRC), has long been a source of trepidation. Because it sits between two

Fuel cells are a rapidly expanding option for distributed generation, with fuel cell–based power plants now being deployed in capacities into tens of megawatts (see “59-MW Fuel Cell Park Opening Heralds

Now that power plant operators have some experience under their belts related to Mercury and Air Toxics Standards (MATS) compliance, it’s time to reevaluate the options for demonstrating compliance. Starting

When gas-fired plants are required to cycle more than they were designed for, added stress on plant components isn’t the only consequence. You also need to pay closer attention to turbine catalyst systems. Traditionally, many combined cycle gas turbine (CCGT) power plant units were designed and permitted for a baseload or similar operating profile. Startups […]

When owners of the Big Stone Plant researched air quality control system technology, they considered all available options and eventually settled on a design that was not in widespread use. Now that the

As power plant reporting requirements for emissions regulations increase in number and complexity, yesterday’s data collection and reporting systems can make the job harder than it needs to be. The electrical power generation sector is reportedly the largest source of greenhouse gas emissions in the U.S. As such, it is the focus of the Environmental […]

Courtesy: Ad Meskens/Wikimedia Commons Europe has been in the forefront of renewable energy development, and though the scientific research on wildlife impacts is limited, European environmentalists and developers are beginning to create baseline frameworks and guidelines. Developers around the world can learn from their experience. As more renewable energy systems come online, providers hope to […]

The niche alternative energy industry that generates power from hazardous piles of coal waste that litter the U.S. is facing an environmental Catch-22. The torrent of coal mined and processed in the U.S. since

Power plants are familiar with using continuous emissions monitoring systems (CEMS) to monitor pollutants, but these devices also may be able to measure heat rate—which could be handy for future compliance with the Clean Power Plan. Continuous emissions monitoring systems (CEMS) are used to monitor power plant flue gas emissions as a means to comply […]

Projections that coal utilization will decline faster than previously forecast have spurred Babcock & Wilcox Enterprises (B&W) to shed 200 jobs and restructure its traditional power business that serves coal-fired power generation in a bid to reduce overhead and improve efficiency. The Charlotte, N.C.–based energy and environmental technology and service company said on June 28 […]

The world’s power sector last year emitted a third of global sulfur dioxide (SO2) emissions, 14% of nitrogen oxides (NOx), and 5% of total particulate emissions (PM2.5), but those emission values have fallen drastically over the last decade even though coal power generation has seen a surge, the International Energy Agency (IEA) said in a […]

The U.S., Mexico, and Canada today announced an unprecedented goal to procure 50% of North America’s total power generation from renewables, nuclear, carbon capture and storage (CCS), and energy efficiency technologies by 2025. President Obama, Prime Minister of Canada Justin Trudeau, and the President of Mexico Enrique Peña Nieto, announced the continental goal, part of […]

Although it’s not widely publicized, a majority of the energy used to generate electricity is wasted in the form of heat discharged to the environment. For better or worse, that’s just the way a typical thermal power plant works. Fuel, such as coal, biomass, natural gas, or uranium (in the case of nuclear plants), is […]

Enrico Viale, head of global thermal generation for the Italian energy company Enel, kicked off an international power industry event yesterday with a keynote presentation describing the “needs” of utilities in the future.

  The Environmental Protection Agency (EPA) has unveiled details of the Clean Energy Incentive Program (CEIP), a voluntary measure central to the judicially stalled Clean Power Plan that seeks to provide guidance to states and tribes that want to meet goals under the plan when it becomes effective. The final Clean Power Plan, finalized in […]

The Environmental Protection Agency’s (EPA’s) controversial Mercury and Air Toxics Standards (MATS) survived another day as the U.S. Supreme Court on June 13 declined to review the D.C. Circuit’s decision to leave the rule in place while the EPA revises it to comply with a 2015 Supreme Court ruling. The 2015 decision sent MATS back […]

One of the witnesses testifying before the U.S. Senate Committee on Environment and Public Works on June 9 believes states and regulated entities will be granted additional time to comply with the Environmental Protection Agency’s (EPA’s) Clean Power Plan (CPP), if the rule is ultimately found to be lawful. Currently, the U.S. Supreme Court has […]

  Even though it may dominate forecasts, natural gas–fired generation faces a troubled expansion in the U.S., according to experts from a variety of stake-holding entities—including an industry group, a utility, a generator, and a pipeline company. Challenges that have few solutions—from price volatility, to gas transport concerns, to rule uncertainty—may upend the nation’s dependence […]

China unveiled its 13th Five-Year Plan this March. The official proposal that will guide the country’s economic and social development from 2016 through 2020 lays out targets and other measures to address a number of climate change, air pollution, and water policies that will build on progress to transform its power sector. The plan sets […]

The Environmental Protection Agency’s rule to regulate the disposal of coal combustion residuals as solid waste went into effect last fall. After evaluating the available solutions and technologies, here’s what some experts consider the safest and most effective approaches for complying with the rule and protecting the environment. A little over a year ago, the […]