Power Demand

According to the International Energy Agency (IEA), global power production from combined-heat-and-power (CHP) technologies has stagnated since 2000, lagging far behind growth in conventional power technologies and commercial heat generation. Despite having an average efficiency of 59%, CHP’s share of global generation in 2013 stood at just 9% (Figure 1), the bulk of it at […]

Beyond major reliability events that have prompted regional blackouts in the past, the U.S. grid faces “imminent danger from cyber attacks,” warns the second installation of the Obama administration’s Quadrennial Energy Review (QER). Here are other key trends outlined in the comprehensive study of the nation’s electricity system. The QER, available on the DOE web site, identifies the threats, […]

How do you get generating company executives and those who interact with the power industry to think outside the box when planning for the future? The answer may involve a board game. Humans are pre-programmed to prefer routine, tradition, and regularity, without questioning whether longevity equals good. Fear of the unknown, and the power of […]

The U.S. market for electricity is trifurcated. More than half the country is served by competitive generators bidding against each other in wholesale markets. Almost half is served by conventional state-regulated, vertically integrated utilities controlling generation and transmission. The rest, a much smaller portion, consists of government-owned and customer-owned utilities, some of which are generators […]

The owner of a merchant 1,022-MW combined cycle natural gas–fired power plant in California has filed for bankruptcy protection, citing regulatory policies and market forces that have depressed revenues. La Paloma Generating Co. on December 6 filed for U.S. Chapter 11 bankruptcy, blaming a debt of $524 million that it racked up even though its four-unit […]

Ontario—Canada’s most populous province and its major economic engine—has an electric power supply system so driven by provincial politics that it has pushed the province’s utility generating arm, Ontario Power Generation, into what appear to be incoherent resource policies. Late last September, in a stunning announcement, the Canadian province of Ontario’s Energy Ministry said it […]

As energy storage becomes more ubiquitous and projects grow in size and capacity, utilities of all types are exploring the best ways of putting it to use across the grid. The opportunities are large, but so are the challenges, according to a panel of executives who spoke at Energy Storage North America in October. New […]

China’s Sichuan provincial government has moved to restrict construction of small and medium hydropower projects between 2016 and 2020 in an effort to improve grid planning and efficiency. Policy proposals posted on the Sichuan government’s website in October seek to prohibit small-scale hydropower projects and limit medium-sized plants over the next five years. Reuters reported […]

A new feature at the annual meeting of the National Association of Regulatory Utility Commissioners (NARUC) this year is an opportunity to test drive a variety of electric vehicles (EVs). State regulators and others attending the event could sign up to test drive electric models from Tesla, BMW, Nissan, and GM. Between noon and 2:30 […]

“We’re at a very challenging time,” said former Federal Energy Regulatory Commission (FERC) Commissioner Tony Clark at the annual meeting of the National Association of Regulatory Utility Commissioners (NARUC) on November 14. We have a “need for infrastructure, but it’s more difficult to get it sited and built than ever before.” Clark’s comment, which he […]

For several years, states in the northeastern U.S. have been in the midst of a major shift away from coal and nuclear power toward natural gas. As aging coal plants shut down on environmental concerns, and several of the region’s nuclear plants have been prematurely retired or faced with challenging economics, developers of natural gas–fired […]

Dreams of a future of round-the-clock dispatchable solar energy may have become reality at the Crescent Dunes Solar Energy Project in Nevada.

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

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 […]

Global resources of variable renewable energy—primarily wind and solar—despite breakneck growth over the past two decades, are beginning to run up against technological and policy limitations on further deployment, and future growth will depend on significant changes in policy and grid design, according to a new report. Released on September 20, Variable Renewable Energy Sources […]

Panelists debating the pros and cons of a regionalized western power grid seemed to agree that the development of such a system is inevitable, but they disagreed on how fast the evolution should occur. The panel discussion took place during the California Independent System Operator (ISO) Stakeholder Symposium held on September 7 in Sacramento. At […]

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 […]

A unanimous vote by New Mexico’s Public Regulation Commission (PRC) today determined that Public Service Co. of New Mexico (PNM) will be allowed to provide new renewable capacity to a proposed Facebook facility through a special service agreement.

WEC Energy Group, parent company of We Energies, signed a deal with mining firm Cliffs Natural Resources that will support two natural gas engine plants in the Upper Peninsula (UP) region of Michigan and replace power currently supplied by the coal-fired Presque Isle Power Plant, due to retire in 2020 (Figure 1).   The deal […]

China’s once-booming coal power sector is facing an existential challenge as continued breakneck expansion of new capacity is colliding with flattened growth in power demand, despite increasingly strenuous government efforts to put the brakes on new construction. According to a pair of new studies, China’s overcapacity in coal-fired generation could reach a staggering 400 GW […]

Poland, a country where hard coal and lignite power plants currently generate about 85% of the power, has passed a law that stymies a wind power expansion and is now mulling draft legislation that will help boost investments in new coal capacity. The eastern European country has bucked the trend toward renewable power that many […]

Düsseldorf’s new “Block Fortuna” at the Lausward Power Plant, owned by municipal utility Stadtwerke Düsseldorf, is setting records and giving Germany’s coal-fired power plants some much-needed competition for backing up the nation’s large percentage of variable renewable power. Germany’s Energiewende (literally, “energy turn”) functions as something of a living laboratory, where innovation equals survival, because […]

The governments of Ireland and Northern Ireland have big ambitions for their unified electricity market, including a wind-heavy 40% renewable generation target by 2020. Making that happen while delivering safe, reliable electricity to customers across the island means a sea change in how the grid is operated. One of the first big steps is installation […]

Southern Co., one of the nation’s largest investor-owned utilities, appears torn between enormous recent investments in advanced coal and nuclear technologies—the company’s successful strategy in the past—and a competing sense that natural gas and distributed energy might be the company’s ultimate future. The Southern Company, based in Atlanta, Ga., is a regional utility behemoth, mostly […]

A severe water crisis gripping India this year has forced several of the country’s hydroelectric and thermal power plants to shut down. At least 10 of India’s 29 states have been stricken by severe drought after the monsoons failed for two seasons in a row (as of the start of July, the monsoons had still […]

The U.S natural gas market may be poised for a return to its traditional volatility as record power burn and rapidly growing exports are colliding with flat production, analysts are beginning to warn. After years of growth from hydraulic fracturing, production in April 2016 fell year-over-year for the first time since 2006, according to the […]

Worldwide power demand for computing could exceed the world’s energy production by 2040, according to a report from a global coalition of trade groups for microchip manufacturers. The recently released 2015 International Technology Roadmap For Semiconductors 2.0 (ITRS), prepared by experts from the U.S., Europe, Japan, Korea, and Taiwan, provides an assessment of the near future […]

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, […]

China is preparing to expand nationwide a ban on new coal plant construction announced in April in an attempt to further rein in overcapacity and boost utilization of renewable energy, according to a report in Australian Financial Review. This spring, China’s National Development and Reform Commission and National Energy Administration suspended or slowed plans for […]