POWER

Society is highly reliant on the safety and stability of critical infrastructure. From boiling a kettle to maintaining national security, an interruption in the electricity supply can cause serious damage to

On January 30, as part of a flurry of new policies, President Donald Trump signed the “Presidential Executive Order on Reducing Regulation and Controlling Regulatory Costs.” The stated purpose of this order is to reduce the federal regulatory burden on the U.S. economy. The outcome, at least in the short term, is likely to be […]

Many informative articles have been published about options for treating flue gas desulfurization wastewater, but new technologies are rapidly changing the treatment possibilities. This article reviews key economic considerations and introduces an innovative treatment solution that lowers costs and the amount of waste generated. Flue gas desulfurization (FGD) wastewater varies widely depending on the source […]

Cooling towers serve the vital role of cooling water for power plant heat exchange equipment. Sustaining excellent system performance is important because a one-degree increase in water temperature can cause a 2% increase in energy usage. Proper maintenance and a few upgrades could improve a cooling tower’s efficiency, while also saving water in the process. […]

Using reclaimed water as a makeup supply for cooling tower systems has become a popular option for reducing impacts on local water resources, but it comes with its own challenges because of its unique

Power generation need not be another source of strain on diminishing freshwater resources. Well-established water reclamation technologies are enabling producers to conserve resources—and money. Meeting the

Risk is inherent in all businesses, but power plants face unique perils that require the right protection. Property and casualty insurance may not be enough; equipment breakdown, business interruption, weather risk transfer, and cyber coverage are just a few examples of insurance that may also be worth considering. The right coverage could mean the difference […]

There’s a new sheriff in town—Washington, D.C., that is. President Donald Trump has taken the reins from Barack Obama, and he’s come out with guns blazing. It’s true—the new administration has wasted little time shaking things up since taking office. While hundreds, if not thousands, of pages have been written by the media about President […]

The boom in renewable energy, spurred by dramatically falling costs, has led some experts and political figures to begin talking seriously about what was once science fiction: A world powered entirely by renewable generation. But is it truly feasible or economic? One series of studies suggests it is—with some important caveats. In the first half […]

Siemens has installed the prototype of its towering 8-MW offshore direct-drive wind turbine at a national test center in Østerild, Denmark, marking the company’s foray into the global race to develop mega–wind turbines. The new offshore turbine was installed on a steel tower at a hub height of 120 meters (m) in late January (Figure […]

Reducing emissions from the electricity sector continues as a primary transformational goal of government policy-makers, and the private and public companies managing electricity generation in Canada. Impressive progress has been made. National Overview Emissions from electricity generation made up just 11% of Canada’s total in 2014. Over 79% of generation is non-emitting: hydropower (63%), nuclear […]

A long-term energy strategy unveiled by leaders of the United Arab Emirates (UAE) in early January suggests that the federation on the Arabian Peninsula will increasingly rely on renewables to power its soaring economic growth. The UAE’s energy strategy was unveiled by Vice President Sheikh Mohammed bin Rashid Al Maktoum, who is prime minister of […]

California’s excess of solar power challenges the statewide independent system operator’s ability to balance its system without curtailing low-carbon supplies and ramping up natural gas generation. It’s

Construction of four AP1000 units—the first new nuclear reactors in the U.S. in decades—is moving along at Vogtle 3 and 4 in Georgia and at the V.C. Summer nuclear power plant in South Carolina. In January, Westinghouse, which is spearheading construction of the units, marked a key milestone as it placed the first steam generator […]

Meeting the requirements of the Effluent Limitations Guidelines (ELG) means careful consideration of the various options. Both biological treatment and zero liquid discharge (ZLD) approaches have their place, but ZLD may offer more flexibility for the future. On September 30, 2015, the Environmental Protection Agency (EPA) issued the final effluent limitation guidelines (ELGs) rule for […]

Rolls-Royce SMR Design Gets Research Center’s Technology Support. Efforts to bring a proposed small modular reactor (SMR) developed by Rolls-Royce to the UK market will have the backing of the Nuclear Advanced Manufacturing Research Centre (Nuclear AMRC), a collaboration of academic and industrial partners underpinned by the University of Manchester, and other industry partners, including […]

Stricken by falling prices, producers of liquefied natural gas (LNG) are looking to exploit an emerging trend that integrates the fuel source with power generation. According to Houston-based international law firm Baker Botts, an increasing number of LNG power projects are emerging worldwide as a “new, viable medium” that offers a rapid but long-term power […]

The Hawaiian Electric Co. (HECO) and technology service company Stem Inc. have successfully tested nearly 1 MW of energy storage systems at 29 commercial sites on Oahu, the companies said on January 30. The novel pilot project, which sought “the ability to connect many customers’ energy storage with the utility,” comprises an energy storage “fleet” […]

Combined heat and power (CHP) has long been a popular option for industrial self-generation, but new technologies and business partnerships are taking the sector well beyond the traditional boilers and diesel gensets. The Erving Paper Mill in the western Massachusetts town of the same name has operated for more than 100 years. Once part of […]

In recent years, coal power generators have faced increasing difficulty predicting annual fuel requirements due to more cycling and low-load operation. That presents problems for the people negotiating fuel contracts. Not all mining companies are amenable to contract changes, but some unique solutions have been developed. Remember when coal-fired power plants supplied baseload power 24/7/365 […]

Uranium oxide, the basic fuel for nuclear power plants, has recently sold at prices not seen in the past 13 years. In fact, the price is less than the cost of production in many cases. That could be a problem, because little is being done to increase the fuel supply, even though the world is […]

As concerns about grid security increase globally, it’s a good time to review the history, scope, and effect of North American electric system reliability standards. As the threat landscape changes, standards alone are not enough. Mandatory. That’s the key word in the Energy Policy Act of 2005 (EPAct) where grid security is concerned. Within two […]

Complying with reliability standards requires considerable resource planning. The tools and suggestions provided here may help engineers conform to new generator relay loadability requirements. But compliance

Yesterday’s retail tariff is prohibiting the optimal dispatch of cogeneration resources as our grid is transforming with high levels of solar generation and potential overgeneration issues. An Unintended Consequence of Policy California has some of the most ambitious energy efficiency and renewable energy goals in the world. Investments in renewable energy and other clean energy […]

Bill Gates is taking on another global challenge: “Reliable, affordable energy for the world.” On December 11, the richest man in the world announced yet another commitment to effecting radical change. It’s called Breakthrough Energy Ventures (BEV). Together with fellow investors, Gates is betting that private money can help create “a carbonless future” by spurring […]

A variety of approaches have been used to capture new benefits from combined heat and power (CHP) facilities. Some owners have transitioned to new fuels or added renewables to the mix, while others have implemented unique business models to spur development. As district heating systems are brought into the 21st century, the CHP sector seems […]

A superconducting tokamak at the National Fusion Research Institute (NFRI) in South Korea has achieved a world record of more than 70 seconds in high-performance plasma operation. Researchers hailed the achievement as a “huge step forward for the realization of fusion power.” According to NFRI, researchers used a fully non-inductive operation mode—a “high poloidal beta […]

The United States has just joined the offshore wind community with the commissioning of the Block Island Wind Farm in Rhode Island. As this community continues to grow, any decision of a common law court that provides guidance on the interpretation of contractual terms, or of the application of established common law to this new […]

A wastewater treatment plant in the Danish city of Aarhus is reportedly producing enough power to cover all of the energy used for the whole water cycle in its catchment area—from water production and water

Canada Inches Closer to Nationwide Carbon Price. Canada’s government in early December struck a deal with eight of the country’s 10 provinces to introduce its first national carbon price. The government has proposed that carbon would cost C$10 per metric ton in 2018, rising by C$10 a year until it reaches C$50 in 2022. Only […]