Duke Energy

Behind the digital tools that make the industrial internet of things (IIOT) in the power generation and chemical process industries are people. The upcoming Connected Plant Conference—Feb. 19–21, 2019, in Charlotte, North Carolina—will recognize the achievements of 11 individuals and companies who are fast risers in the field. Through insight and experience, these “Game Changer” champions […]

In 2017, the 10 largest power companies, ranked by their installed generation capacity, owned 18% of total global installed capacity, while the next-largest 15 owned around 10%—meaning that the top 25 companies own nearly 30% of global installed power generation capacity, according to the International Energy Agency (IEA). Chinese companies account for more than one-eighth of global installed […]

Two large solar power projects—located more than 4,600 miles apart—recently came online in the U.S., providing service in Florida and Hawaii. Duke Energy on Jan. 8 announced its 74.9-MW Hamilton Solar Power Plant was online. The installation in Jasper, Fla., is part of the company’s plan to build or acquire at least 700 MW of […]

Thousands of workers are involved, and billions of dollars are being spent, as U.S. utilities convert and close dozens of coal ash impoundments in an effort to meet government regulations and prevent future

Analysis based on testing mostly conducted by energy companies shows that water near all but two coal plants in Illinois is contaminated with toxic waste. The Chicago Tribune on November 28 reported that a compilation of industry-supplied data from 24 Illinois coal plants shows harmful levels of arsenic, chromium, lead, and other heavy metals in […]

Replacing two 40-year-old feedwater heaters at a plant of Oconee Nuclear Station’s size and age was fated to be a complicated project, but through meticulous modeling and planning, and seamless

Duke Energy has brought the first power block of its new $1.5 billion combined cycle gas plant in Citrus County, Florida, online. Duke said the facility located north of Crystal River—an area long known as home to the now-closed Crystal River Nuclear Plant—is among the largest combined cycle projects in the country, and it is […]

Environmental officials in North Carolina say their tests show that coal ash released from Duke Energy’s Sutton power plant in Wilmington during flooding from Hurricane Florence has not had a negative impact on the Cape Fear River. The state’s Department of Environmental Quality (DEQ) on October 4 said its test results on water samples collected […]

Hurricane Florence floodwaters have breached a cooling lake dam at Duke Energy’s Sutton Plant in Wilmington, North Carolina, releasing water into the Cape Fear River and flooding the footprint of the gas plant at the site, which has been shut down.  The company’s latest update signals mounting troubles at the site, where Duke Energy shuttered […]

– Selected companies are leaders in innovative solutions, sustainability innovation, community excellence, economic development, and storm restoration CHARLOTTE, N.C., Aug. 20, 2018 /PRNewswire/ — For the 25th consecutive year, Duke Energy has selected six outstanding organizations to receive the company’s prestigious Power Partner award. Duke Energy established the Power Partner award in 1992 to honor businesses […]

GREENVILLE, S.C., June 1, 2018 — Duke Energy today celebrated the opening of the new 750-megawatt combined-cycle natural gas plant at the W.S. Lee Station in Anderson County, S.C., with community leaders, elected officials and top company leaders on hand. “Highly efficient natural gas plants – like W.S. Lee – are helping us deliver a cleaner, smarter energy future for […]

Building power plants is only the first step to generating success. Running plants efficiently, and consistently improving efficiency as they run, is the path to putting profits on the bottom line. Building

Duke Energy Florida will commission both units of its new 1,640-MW Citrus gas-fired combined cycle power plant (Figure 1) by the end of 2018. The company on April 3 said the 820-MW Unit 1 will come online in September, with a second 820-MW unit entering service in November. Construction of the $1.5 billion plant began […]

The generating fleets owned by some of the largest companies in the U.S. (ranked here by capacity in 2017) have transformed over the past four years, in some cases dramatically, as total revenues fluctuated. Sources: Fidelity Investments (revenue data standardized by S&P Capital IQ); EIA-860 detailed data; SEC 10-K filings, and company websites. —Copy and artwork by Sonal Patel, a […]

As another hurricane season approaches, the lessons learned by energy companies that have repaired power infrastructure in Haiti, Puerto Rico, and other areas provide a path forward for reducing the impact of

Innovative effort producing pipeline-quality biogas from North Carolina hog farms OptimaBio’s project in Duplin County to spur more renewable energy CHARLOTTE, N.C. – A Duke Energy power plant is using renewable natural gas from North Carolina-based hog farms to produce electricity – the first application of the technology from in-state farms. “This is a major […]

Giant U.S. energy holding company Duke Energy in a new report outlined for shareholders how it will achieve a goal updated last year to reduce its 2030 carbon dioxide emissions 40% compared to 2005 and achieve a “science-based 2-degree target.” The company’s 2017 Climate Report to Shareholders made public on March 22 unveils a strategy […]

The rise of digital technologies for power plants has moved in fits and starts over the past several years, with some generators quickly embracing digitization of their assets while others are looking to justify potential investments. Suppliers of digital technologies have widely marketed the benefits, but many generators are looking to current end users for […]

Spent nuclear fuel has continued to accumulate at sites across the nation, paralyzed by a government deadlock on a nuclear waste management strategy formally established 35 years ago. Can recent developments

Several possible suitors for SCANA Corp. emerged last fall when it became evident the South Carolina utility needed a lifeline, after SCANA subsidiary South Carolina Electric and Gas Co. (SCE&G) and state-owned Santee Cooper pulled the plug on the V.C. Summer nuclear project (Figure 1). Now the question is whether those who lost out to […]

The global solar industry on January 23 reacted to President Trump’s announcement on Monday that the U.S. will enact a 30% tariff this year on imports of solar cells and modules, a levy that could begin as soon as next month. Some groups said they will take a “wait and see” approach to the charge, […]

Florida Power & Light (FPL) began the new year by opening four new solar power plants, along with officially retiring one of its two remaining coal-fired plants in the state. The utility on January 8 said the four solar plants began operating on January 1, 2018. They are the Horizon Solar Energy Center, in Alachua […]

An official with the Department of Homeland Security (DHS) on September 12 said as many as 15 million people in Florida lost power during Hurricane Irma, and said damage from the storm means “this will be a situation about rebuilding” power infrastructure, rather than repair.” Christopher Krebs, assistant secretary for Infrastructure Protection with DHS, said at […]

Cyclic operating conditions can be problematic for many coal-fired power plants that were designed to run as baseload units. Implementing a combustion and boiler performance management program can help ensure

Regardless of recent federal support for a revitalization of coal in the U.S., “the economics are challenged,” Lynn Good, CEO of Duke Energy, said March 1 during a presentation at the U.S. Department of Energy’s (DOE) Advanced Research Projects Agency-Energy (ARPA-E) Energy Innovation Summit. “I think coal continues to be an important part of a […]

While admitting no wrongdoing or liability, Duke Energy reached an agreement with the U.S. government to resolve a lawsuit related to its acquisition of a Florida gas-fired power plant. The plant in question—Osprey Energy Center (Figure 1)—is a 537-MW two-unit combined cycle facility located in Auburndale, Fla., that Duke Energy purchased from Calpine Construction Finance […]

In a push to focus on regulated markets in the U.S., Duke Energy has completed its exit of international business in deals valued at $2.4 billion. The company announced on October 10 that it reached an agreement to sell all businesses in Peru, Chile, Ecuador, Guatemala, El Salvador, and Argentina to investment firm I Squared […]

CHARLOTTE, N.C., Oct. 3, 2016 /PRNewswire/ — Duke Energy has completed its acquisition of Piedmont Natural Gas, closing the transaction effective today. Piedmont will retain its name and operate as a business unit of Duke Energy. Both companies are headquartered in Charlotte. The acquisition will add Piedmont’s 1 million natural gas customers to Duke Energy’s […]

Duke Energy agreed to pay a $6 million fine under a new settlement reached with North Carolina’s Department of Environmental Quality (DEQ) for the February 2014 coal ash spill at its Dan River power plant in Eden. State regulators fined the utility $6.8 million in February, but Duke Energy challenged the decision, which was the […]

In an effort to become a fully regulated power company, American Electric Power (AEP) has agreed to sell four Midwestern power plants—representing a total of 5.2 GW—to a newly formed joint venture of Blackstone and ArcLight Capital Partners for about $2.17 billion.  AEP will sell: the 1,186-MW natural gas–fired Lawrenceburg Generating Station in Lawrenceburg, Ind. […]