Owner/operator: Akca Enerji Geothermal energy has long been handicapped by its need for high-temperature resources to generate economic power, but innovations in binary Organic Rankine Cycle systems are making it possible to exploit low-temperature sites. An innovative plant in Turkey using Italian technology has taken things a step further with a unique two-pressure, multistage, single-disk […]

Owner/operator: Korea South East Power Co., Ltd. Few people would view a large coal plant as a place to generate renewable energy. But a Korean utility took a chance on an innovative approach, harnessing the latent energy of the plant’s cooling effluent to drive a trio of hydroelectric plants, and in so doing, created a […]

Public utility commissioners matter. A lot. Now more than ever, these state regulators are charged with looking out for the best interests of utility customers in states that have regulated electric and other utilities. As we’ve seen from countless recent news stories, public utility commissions (PUCs) play a significant role in determining what power system […]

Pneumatic furnace damper drives may be more common, but electro-hydraulic actuators provide several advantages to the more traditional control scheme. One fossil-fired plant in Taiwan achieved more consistent and accurate furnace draft pressure control by retrofitting its dampers with Electraulic actuators, optimizing combustion and increasing boiler availability in the process. Fossil fuel–fired power plants worldwide […]

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 […]

The ocean power sector is still in its early stages of development, shackled by high development and operational costs. Trends emerging over the past two years hint at which technologies could dominate the sector’s future. Despite decades of research and development that have yielded several innovative ways of using oceans to fuel power generation, the […]

In a rare intervention, the United Nations’ (UN’s) heritage conservation arm is urging Bangladesh to relocate a proposed 1,320-MW coal-fired power plant because it poses a serious threat to one of the world’s largest mangrove forests. Bangladesh-India Friendship Power Co. Ltd. (BIFPCL)—a joint venture of the Bangladesh Power Development Board (BPDB) and India’s largest power […]

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 […]

A 52.5-MW solar photovoltaic (PV) plant commissioned this October in Jordan will generate about 1% of the Middle Eastern nation’s power (Figure 5). 5. Solar carpet. The 52.5-MW Shams Ma’an Solar Power Plant in Jordan was commissioned this October. Courtesy: Business Wire The plant uses more than 600,000 Series 4 thin-film modules manufactured by Arizona-headquartered […]

God forbid that you have a job that requires you to read the orders issued by public utility commissions (PUCs). As a regulator, I not only have to read them—I have to write them. And even I marvel at the arcane, trial-like proceedings of PUCs and the orders that emerge from them, which are the […]

The entire state of South Australia suffered a blackout on the afternoon of September 28. The cause of the event has been disputed, but it has left Australians in a raging debate about the state of the country’s electricity system and policies that will shape its future power mix. The so-called “Black System” event that […]

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 […]

Refurbishment of OPG’s Darlington Units Begins. Work to refurbish Ontario Power Generation’s (OPG’s) 3.5-GW Darlington Nuclear Generating Station kicked off on October 15. The refurbishment of the four Darlington reactors, which have provided about 20% of Ontario’s power since they went into service in the early 1990s, will span 10 years. The project is estimated […]

French multinational power company ENGIE on October 20 inaugurated a mini-network comprising 16 kW of solar photovoltaic panels, a 45-kWh lithium-ion battery bank, and a back-up genset to supply power to Ketumbeine, a village in northern Tanzania with about 800 residents. The PowerCorner project (Figure 6) was launched in early 2015. ENGIE said the project […]

China’s third nuclear reactor built for the export market, Chashma Nuclear Power Plant Unit 3, was connected to Pakistan’s grid in mid-October. Chashma 3 is one of two Chinese-designed CNP-300 pressurized-water reactors being built on the site in Punjab Province. Unit 3 is expected to enter commercial operation at the end of 2016 and Unit […]

Increasing plant efficiency and reducing maintenance costs is important for economic power plant operation. One part of the task involves keeping the boiler heating surfaces as clean as possible, which increases heat transfer, reduces maintenance, and avoids unplanned standstills of the plant. Shock pulse generators (SPGs) are an innovative and efficient way to manage boiler […]

It’s often said that technology runs well ahead of the law. Not so long ago, the process of setting electric utility rates was only slightly more dramatic than watching paint dry. This was by design. There was generally only one goal—keeping the lights on—and everything else was structured to support it. The utility generated the […]

Owner/operator: SolarReserve Three-and-a-half hours north of Las Vegas, in a rocky, desolate stretch of Nevada desert, an innovative solar-storage plant has nearly completed a year of commercial operations. It also may have delivered proof of round-the-clock dispatchable solar energy. The Crescent Dunes Solar Energy Project, a concentrating solar power (CSP) plant built by Santa Monica, […]

Owner/operator: Pattern Energy Just as Seattle’s Amazon.com jumpstarted the online shopping trend, it’s now part of another trend that has major corporations owning or contracting for sizable grid-connected renewable power facilities. A new wind farm in rural Indiana is part of that story. Cloud computing is big business, and it’s growing as fast as cumulous […]

Donald Trump’s stunning victory in the U.S. presidential election portends enormous changes in U.S. energy and environmental policy, and a nearly complete turnover of the men and women who will administer that policy for the next four years.

The first week of October was noteworthy for the volume of potentially life-changing and industry-changing carbon and climate change–related news. While the U.S. power industry awaited a decision from the

Bark beetles have discovered the good life in California’s overgrown forests. A combination of extended drought and mild winters has led to an enormous infestation of these pests. They have killed over 66

Europe’s first megawatt-size fuel cell went online in September. The 1.4-MW power plant put online by E.ON and FuelCell Energy Solutions in Mannheim, Germany, will provide power over the next 10 years, at least, for production processes of materials specialist FRIATEC. The plant was installed in only nine months as a joint project by E.ON […]

The world’s first wind farms are reaching the end of their expected lifetimes. As they become outdated, or just inefficient, many developers are considering repowering. Here’s a look at where repowering activity is happening the most and why. Since the world’s first wind turbine used to convert wind energy into electricity was built by Professor […]

Vattenfall to Convert Berlin Coal Plants to Natural Gas. Sweden’s state-owned power company Vattenfall is phasing out the use of coal in Germany’s capital Berlin. The company on September 28 said it would

In July 2016, the German parliament approved three major pieces of legislation specifically laying out the future of the celebrated Energiewende: the 2017 revision of the Renewable Energy Sources Act, the Electricity Market Act, and the Act on the Digitization of the Energy Transition. “These three pieces of legislation will ensure that the transition of […]

This September, Puerto Rico suffered an island-wide blackout that left 1.5 million utility customers without power for more than 50 hours and reportedly resulted in multimillion-dollar losses for its already troubled economy. The blackout in the U.S. territory with a population of about 3.5 million occurred on September 21, when a blaze erupted in a […]

A magnetic level gage may be an excellent addition to a power plant boiler’s drum-level instrumentation. However, before any changes are made, owners must first understand the specific minimum requirements for water level instrumentation defined by the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. The code requires a functional water gage […]

The International Association for the Properties of Water and Steam (IAPWS) is an international nonprofit association of national organizations concerned with the properties of water and steam, particularly

The dangers of the U.S.’s failing infrastructure have united both major political parties in calling for substantial capital investments to shore up safety and reliability. In California, the tragic explosion of the gas pipeline in San Bruno and the massive methane leak from the gas storage wells at Aliso Canyon have highlighted the potential for […]