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THE BIG PICTURE: Trump’s Regulatory Targets

September 4, 2018

President Trump campaigned on a promise to reduce regulation and control regulatory costs. One of his first actions after taking office was to issue an executive order calling for the elimination of two existing regulations for every one new regulation issued. Toward that end, the Trump administration has acted or sought to reverse more than 70 environmental rules. Among them are several Environmental Protection Agency (EPA) regulations governing air, water, and waste emissions from the nation’s power plants. Here’s where those rules stand today. Notes: FIP = federal implementation plan; SIP = state implementation plan. Sources: Environmental Integrity Project, Environmental Law at Harvard, Sabin Center for Climate Change Law at Columbia Law School

1. Clean Power Plan

The EPA released a proposal to repeal the Clean Power Plan in October 2017, saying the rule “exceeds the agency’s statutory authority.” In July 2018, the EPA sent a replacement plan to President Trump for review, saying it would seek public comment on the new measure after a White House review is completed but it did not provide a timeline.…

Select Boiler Chemistry in the Design Phase of Project Life

September 2, 2018

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On many combined cycle projects, the major decisions about boiler chemistry are left until after the plant has been designed, equipment is procured, and construction is well underway. However, the best time to make these chemistry decisions is in the design phase of the project. That enables the engineering, procurement, and construction (EPC) contractor to design the plant that best fits the selected chemistry program (Figure 1).

1. Water treatment decisions. The EPC contractors should design the plant that best fits the users’ selected chemistry program. Courtesy: Colleen Scholl, HDR Inc.

Phosphate Versus Oxidizing, All-Volatile Treatment

For example, consider the selection of a phosphate program versus an oxidizing, all-volatile treatment (AVT-O) program. Of these two, the phosphate program requires more-responsive instrumentation and controls, because of the potential problems of phosphate carryover and hideout. If the EPC contractor has a priori knowledge that phosphates will be used, its engineers can specify highly responsive pH and phosphate instruments, and can ensure those instrument signals are transmitted to automated chemical-injection pumps that feed into multiple injection points (Figure 2).…

MHPS Marks Third Major U.S. Gas-Turbine Milestone in Recent Months

August 31, 2018

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NTE Energy on August 28 formally began operations of its 475-MW Kings Mountain Energy Center (KMEC) natural gas–fired plant in Cleveland County, North Carolina, marking the third major milestone in recent months for gas-turbine giant Mitsubishi Hitachi Power Systems (MHPS) Americas.

The $ 500 million KMEC facility features MHPS G-Series advanced-class gas turbine technology. Owned and operated by NTE Carolinas LLC, KMEC began operations three months after NTE Energy opened its 525-MW Middletown Energy Center in Butler County, Ohio, which also features MHPS G-Series technology. That plant is powered by a M501GAC gas turbine and technology in a combined cycle alignment.

On August 23, MHPS also announced successful first fire for Dominion Energy’s 1,558-MW Greensville County Power Station located in Emporia, Virginia. That plant operates three M501J gas turbines supplied by Mitsubishi. The three J-Series turbines, which MHPS said “are the cornerstone of the largest and cleanest gas-fired power block ever operated inside the U.S,” are the first to come online in the U.S.…

Coal’s ACE in the Hole? New Rule Still Faces Headwinds

August 29, 2018

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The Trump administration has extended a potential lifeline to coal-fired power plants with its Affordable Clean Energy (ACE) rule. Now the debate is about how much the plan will actually help coal generation.

Energy analysts and other industry experts who spoke with POWER on August 28 say the new rule, which would give individual states the power to determine how to regulate power plant emissions—or whether to regulate them at all—may not make a difference when it comes to the market for coal-based power.

Economic forces, which have increasingly favored natural gas and also renewable energy sources in recent years, have contributed to the fall of coal. And while Trump said the ACE rule is a replacement for the Obama-era Clean Power Plan (CPP), the CPP has never been implemented due to protracted legal challenges, including a continuing stay of the rule by the U.S. Supreme Court.

Other regulations dealing with power plant emissions, including the Clean Air Act (CAA) and the Cross-State Air Pollution Rule (CSAPR), along with the Mercury and Air Toxics Standards (MATS) rule, remain in force and continue to impact power plant operators.…

Power Market Is Changing — Distributed Energy Gaining Ground [PODCAST]

August 27, 2018

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The power market is changing. It’s being driven more and more by the retail side of the business, according to Roy Palk, Esq., president of New Horizons Consulting. Palk will give a presentation titled “The Rise of Distributed Energy — New Challenges Bring New Opportunities” during the Distributed Energy Conference, which will be held at the Denver Marriott West in Golden, Colorado, October 15–17, 2018.

Palk joined The POWER Podcast to give a brief preview of his talk. He said younger, more-sophisticated and environmentally attuned consumers, as well as commercial and industrial companies that are going green—often following edicts from their boards of directors—are forcing utilities to evolve in order to remain the energy provider for these customers.

The rise of solar and wind power, microgrids, and other distributed energy resources means member-owned cooperatives and large utilities must look at their business models in a new light, focusing on the benefits of leveraging the trend toward distributed generation.

To learn more about the Distributed Energy Conference and to register for the event, visit www.distributedenergyconference.com…

Experts: Coal Plants Must Adapt to New Energy Landscape

August 25, 2018

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The Trump administration’s Affordable Clean Energy (ACE) rule announced August 21 calls for coal-fired power plants to meet state-designed performance standards, most notably focused on increases in heat rate and overall efficiency for individual generating stations.

Energy experts speaking at the MEGA Symposium in Baltimore, Maryland, on August 22 agreed it’s a goal worth pursuing. They also said it will be difficult to achieve due to the evolving nature of U.S. power generation.

The rise of natural gas, which today accounts for the largest percentage of the nation’s electricity production, along with the addition of renewable sources such as wind and solar power to the grid, has lessened the amount of coal-fired generation across the country. It has decreased coal’s capacity factor—the average power generated by a particular energy source, divided by the rated peak power of that source—to just above 50%, behind natural gas, and well below the 73% capacity factor for coal as recently as 2008, according to the U.S.…