Tropical system expected to strengthen in Gulf of Mexico, CenterPoint reports preparation plans

incoming

Houstonians can expect rain and potential electricity outages this week. The region recently experienced devastation from Hurricane Beryl. Photo via Getty Images

Update: Space City Weather reported Monday morning that the storm has turned, and Houston is likely to see minimal effects.

A tropical system in the southwestern Gulf of Mexico was expected to strengthen this week into a tropical storm and dump heavy rains onto Mexico and Texas before reaching the U.S. as a potential hurricane, the National Weather Service said Sunday.

The system, about 340 miles (545 kilometers) south-southeast of the mouth of the Rio Grande, had maximum 50 mph wind speeds (85 kilometers per hour) on Sunday and was forecast to drift slowly northwestward. Forecasters said it was too early to pinpoint the exact track of the storm and its potential impacts but warned that the upper Texas and Louisiana coastlines could see damaging winds and storm surges beginning Tuesday evening.

Houston-based CenterPoint Energy released a statement about its preparation for potential severe weather in the Greater Houston area, as well as in Louisiana and Mississippi. The company reported having 2,000 frontline workers and over 600 vegetation management personnel actively conducting pre-storm activities — with about 700 additional vegetation management personnel and 5,000 additional frontline workers if needed for response.

"While our weather experts work to determine the path, intensity and timing of the tropical activity, we remain vigilant and are fully focused on executing on our storm preparation plan. We are in the process of mobilizing all of our available resources and mutual assistance resources from other utility companies so we will be prepared to safely and quickly restore power to our customers should this tropical system impact our area," Darin Carroll, senior vice president of electric business, says in the release.

Texas Gov. Greg Abbott put state emergency responders on increased readiness and warned of the potential of flash flooding and heavy rains.

“Texas will continue to closely monitor weather conditions to protect the well-being of Texans,” Abbott said in a statement.

Donald Jones, a meteorologist with the National Weather Service in Lake Charles, Louisiana, said during a weather briefing Saturday night that parts of southeast Texas and southwest Louisiana should expect a “whole lot” of rain in the middle and later part of this week.

The tropical disturbance comes after an unusually quiet August and early September in the current Atlantic hurricane season, which runs through Nov. 30. The season was set to peak on Tuesday, Jones said.

So far, there have been five named storms this hurricane season, including Hurricane Beryl, which knocked out power to nearly 3 million homes and businesses in Texas — mostly in the Houston area — in July. Experts had predicted one of the busiest Atlantic hurricane seasons on record.

The next named storm would be called Francine.

In a report issued last week, researchers at Colorado State University cited several reasons for the lull in activity during the current hurricane season, including extremely warm upper level temperatures resulting in stabilization of the atmosphere and too much easterly wind shear in the eastern Atlantic.

“We still do anticipate an above-normal season overall, however, given that large-scale conditions appear to become more favorable around the middle of September,” according to the report.

Last month, the National Oceanic and Atmospheric Administration updated its outlook but still predicted a highly active Atlantic hurricane season. Forecasters tweaked the number of expected named storms from 17 to 25 to 17 to 24.

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Engie signs deal to supply wind power for Texas data center

wind deal

Houston-based Engie North America, which specializes in generating low-carbon power, has sealed a preliminary deal to supply wind power to a Cipher Mining data center in Texas.

Under the tentative agreement, Cipher could buy as much as 300 megawatts of clean energy from one of Engie’s wind projects. The financial terms of the deal weren’t disclosed.

Cipher Mining develops and operates large data centers for cryptocurrency mining and high-performance computing.

In November, New York City-based Cipher said it bought a 250-acre site in West Texas for a data center with up to 100 megawatts of capacity. Cipher paid $4.1 million for the property.

“By pairing the data center with renewable energy, this strategic collaboration supports the use of surplus energy during periods of excess generation, while enhancing grid stability and reliability,” Engie said in a news release about the Cipher agreement.

The Engie-Cipher deal comes amid the need for more power in Texas due to several factors. The U.S. Energy Information Administration reported in October that data centers and cryptocurrency mining are driving up demand for power in the Lone Star State. Population growth is also putting pressure on the state’s energy supply.

Last year, Engie added 4.2 gigawatts of renewable energy capacity worldwide, bringing the total capacity to 46 gigawatts as of December 31. Also last year, Engie signed a new contract with Meta (Facebook's owner) and expanded its partnership with Google in the U.S. and Belgium.

Houston researchers make headway on developing low-cost sodium-ion batteries

energy storage

A new study by researchers from Rice University’s Department of Materials Science and NanoEngineering, Baylor University and the Indian Institute of Science Education and Research Thiruvananthapuram has introduced a solution that could help develop more affordable and sustainable sodium-ion batteries.

The findings were recently published in the journal Advanced Functional Materials.

The team worked with tiny cone- and disc-shaped carbon materials from oil and gas industry byproducts with a pure graphitic structure. The forms allow for more efficient energy storage with larger sodium and potassium ions, which is a challenge for anodes in battery research. Sodium and potassium are more widely available and cheaper than lithium.

“For years, we’ve known that sodium and potassium are attractive alternatives to lithium,” Pulickel Ajayan, the Benjamin M. and Mary Greenwood Anderson Professor of Engineering at Rice, said in a news release. “But the challenge has always been finding carbon-based anode materials that can store these larger ions efficiently.”

Lithium-ion batteries traditionally rely on graphite as an anode material. However, traditional graphite structures cannot efficiently store sodium or potassium energy, since the atoms are too big and interactions become too complex to slide in and out of graphite’s layers. The cone and disc structures “offer curvature and spacing that welcome sodium and potassium ions without the need for chemical doping (the process of intentionally adding small amounts of specific atoms or molecules to change its properties) or other artificial modifications,” according to the study.

“This is one of the first clear demonstrations of sodium-ion intercalation in pure graphitic materials with such stability,” Atin Pramanik, first author of the study and a postdoctoral associate in Ajayan’s lab, said in the release. “It challenges the belief that pure graphite can’t work with sodium.”

In lab tests, the carbon cones and discs stored about 230 milliamp-hours of charge per gram (mAh/g) by using sodium ions. They still held 151 mAh/g even after 2,000 fast charging cycles. They also worked with potassium-ion batteries.

“We believe this discovery opens up a new design space for battery anodes,” Ajayan added in the release. “Instead of changing the chemistry, we’re changing the shape, and that’s proving to be just as interesting.”

ExxonMobil lands major partnership for clean hydrogen facility in Baytown

power deal

Exxon Mobil and Japanese import/export company Marubeni Corp. have signed a long-term offtake agreement for 250,000 tonnes of low-carbon ammonia per year from ExxonMobil’s forthcoming facility in Baytown, Texas.

“This is another positive step forward for our landmark project,” Barry Engle, president of ExxonMobil Low Carbon Solutions, said in a news release. “By using American-produced natural gas we can boost global energy supply, support Japan’s decarbonization goals and create jobs at home. Our strong relationship with Marubeni sets the stage for delivering low-carbon ammonia from the U.S. to Japan for years to come."

The companies plan to produce low-carbon hydrogen with approximately 98% of CO2 removed and low-carbon ammonia. Marubeni will supply the ammonia mainly to Kobe Power Plant, a subsidiary of Kobe Steel, and has also agreed to acquire an equity stake in ExxonMobil’s low-carbon hydrogen and ammonia facility, which is expected to be one of the largest of its kind.

The Baytown facility aims to produce up to 1 billion cubic feet daily of “virtually carbon-free” hydrogen. It can also produce more than 1 million tons of low-carbon ammonia per year. A final investment decision is expected in 2025 that will be contingent on government policy and necessary regulatory permits, according to the release.

The Kobe Power Plant aims to co-fire low-carbon ammonia with existing fuel, and reduce CO2 emissions by Japan’s fiscal year of 2030. Marubeni also aims to assist the decarbonization of Japan’s power sector and steel manufacturing industry, chemical industry, transportation industry and various others sectors.

“Marubeni will take this first step together with ExxonMobil in the aim of establishing a global low-carbon ammonia supply chain for Japan through the supply of low-carbon ammonia to the Kobe Power Plant,” Yoshiaki Yokota, senior managing executive officer at Marubeni Corp., added in the news release. “Additionally, we aim to collaborate beyond this supply chain and strive towards the launch of a global market for low-carbon ammonia. We hope to continue to actively cooperate with ExxonMobil, with a view of utilizing this experience and relationship we have built to strategically decarbonize our power projects in Japan and Southeast Asia in the near future.”

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