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Breaking news: ExxonMobil's HQ officially changed to Houston

now in HOU

ExxonMobil is officially HQ-ed in Houston — according to a recent SEC filing. Photo via ExxonMobil.com

As of this month, ExxonMobil's headquarters is officially Houston, according to a recent filing.

ExxonMobil's company page on the United States Securities and Exchange Commission now lists its new Houston-area address — 22777 Springwoods Village Parkway in Spring. While the ExxonMobil's site still lists it's Irving, Texas, address, the SEC filing dated July 5 marks a significant step toward the HQ move that Exxon originally announced in early 2022.

In the initial announcement, the company disclosed that the move, which will combine its chemical and refining divisions, will be completed by 2023. ExxonMobil’s Spring office was opened by former CEO Rex Tillerson in 2014.

With the relocation announcement, ExxonMobil became Houston’s 25th Fortune 500 headquarters, the third highest concentration in the country, after New York and Chicago, per the Greater Houston Partnership. It's slated to be the largest Fortune 500 company to be headquartered in the Houston region, ranking No. 10 in the 2021 listing based on $181.5 billion revenues in 2020.

“ExxonMobil’s move further solidifies Houston’s position as the Energy Capital of the World," the Greater Houston Partnership noted in a January 31 statement. "ExxonMobil is a key participant in our Houston Energy Transition Initiative, and we look forward to working with the company as we continue to position Houston to lead the energy transition to a low-carbon future."

Since the announcement, ExxonMobil has grown its Houston presence by signing on as a founding partner at the Ion, a Midtown Houston 266,000-square-foot building developed and managed by Rice Management Company, last summer. The company joins existing Ion founding partners Aramco, Chevron Technology Ventures, Baker Botts, and Microsoft, as well as affiliate partners bp and Intel. The company joins the Ion "to help develop solutions for the world’s emerging energy issues," per the June 13 news release.

“ExxonMobil has been a leader in energy technology for over a century. Collaboration is essential to both augment our capabilities and accelerate the development of scalable solutions,” said Linda DuCharme, president of ExxonMobil Technology and Engineering Company, in the release. “Our partnership with The Ion will enable us to tap into the extraordinary talent in Houston.”

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Syzygy inks long-term offtake agreement for first commercial SAF plant

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Houston-based Syzygy Plasmonics has secured a six-year official offtake agreement for the entire production volume of its first commercial-scale biogas-to-sustainable aviation fuel project in Uruguay, known as NovaSAF-1.

SP Developments Uruguay S.A., a subsidiary of Syzygy, entered into the agreement with Singapore-based commodity company Trafigura, according to a news release. There is also an option for Trafigura to purchase additional volumes from future Syzygy projects.

The first deliveries from the landmark SAF facility are expected in 2028.

“This agreement marks a critical step in our journey toward commercial-scale impact and disrupting the SAF market,” Trevor Best, CEO of Syzygy Plasmonics, said in the news release. “With a signed offtake agreement from a global leader like Trafigura, and after having successfully completed FEED engineering in December, we're now ready to secure financing for the construction of NovaSAF-1 and move our technology from potential into production."

The NovaSAF-1 project will be located in Durazno, Uruguay. The facility will be the world's first electrified biogas-to-SAF facility producing renewable and advanced compliant SAF. Syzygy estimates that the project will produce over 350,000 gallons of SAF annually. The facility is expected to produce SAF with at least an 80 percent reduction in carbon intensity compared to Jet A fuel.

It’s backed by Uruguay’s largest dairy and agri-energy operations, Estancias del Lago. It will also work with Houston-based Velocys, which will provide Fischer-Tropsch technology for the project. Fischer-Tropsch technology converts synthesis gas into liquid hydrocarbons, which is key for producing synthetic fuels like SAF.

ERCOT to capture big share of U.S. solar power growth through 2027

solar growth

Much of the country’s growth in utility-scale solar power generation will happen in the grid operated by the Electric Reliability Council of Texas (ERCOT), according to a new forecast.

The U.S. Energy Information Administration (EIA) predicts that solar power supplied to the ERCOT grid will jump from 56 billion kilowatt-hours in 2025 to 106 billion kilowatt-hours by the end of 2027. That would be an increase of 89 percent.

In tandem with the rapid embrace of solar power, EIA anticipates battery storage capacity for ERCOT will expand from 15 gigawatts in 2025 to 37 gigawatts by the end of 2027, or 147 percent.

EIA expects utility-scale solar to be the country’s fastest-growing source of power generation from 2025 to 2027. It anticipates that this source will climb from 290 billion kilowatt-hours last year to 424 billion kilowatt-hours next year, or 46 percent.

Based on EIA’s projections, ERCOT’s territory would account for one-fourth of the country’s utility-scale solar power generation by the end of next year.

“Solar power and energy storage are the fastest-growing grid technologies in Texas, and can be deployed more quickly than any other generation resource,” according to the Texas Solar + Storage Association. “In the wholesale market, solar and storage are increasing grid reliability, delivering consumer affordability, and driving tax revenue and income streams into rural Texas.”

Shell launches hydrogen electrolyzer pilot and more energy news to know

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Editor's note: The new year brings big news in the energy transition sector, from Shell's hydrogen electrolyzer pilot to a maritime technology company on a mission to electrify ships. Below are the five most-read EnergyCapitalHTX stories from the second half of January 2026:

1. Shell partners with UK-based co. for hydrogen electrolyzer pilot

Supercritical Solutions' electrolyzer aims to deliver high-efficiency renewable hydrogen at a lower cost for the industrial hydrogen market. Photo courtesy Supercritical Solutions.

Shell Global Solutions International, a subsidiary of Shell, which maintains its U.S. headquarters in Houston, has signed a collaboration agreement with London-based Supercritical Solutions to advance Supercritical’s ultra-efficient hydrogen electrolyzer technology toward a field pilot demonstration. Continue reading.

2. 3 Houston-area companies named to Global Cleantech 100

Amperon, Hertha Metals and Vaulted Deep were named to this year's Global Cleantech 100 list. Photo via Getty Images

Three Houston-area companies—Amperon, Hertha Metals and Vaulted Deep—appear on this year’s Global Cleantech 100 list. The unranked list, generated by market intelligence and advisory firm Cleantech Group, identifies the 100 privately held companies around the world that are most likely to make a significant impact in the cleantech market over the next five to 10 years. Continue reading.

3. Houston maritime startup raises $43M to electrify cargo vessels

Fleetzero has raised $43 million to expand the manufacturing of its hybrid and electric marine propulsion system. Photo courtesy Fleetzero.

A Houston-based maritime technology company that is working to reduce emissions in the cargo and shipping industry has raised VC funding and opened a new Houston headquarters. Fleetzero announced that it closed a $43 million Series A financing round this month. The funding will go toward expanding manufacturing of its Leviathan hybrid and electric marine propulsion system. Continue reading.

4. Houston geothermal company raises $97M Series B

Sage Geosystems has raised a $97 million Series B. Photo via sagegeosystems.com.

Houston-based geothermal energy startup Sage Geosystems has closed its Series B fundraising round and plans to use the money to launch its first commercial next-generation geothermal power generation facility. Ormat Technologies and Carbon Direct Capital co-led the $97 million round. The new geothermal power generation facility will be located at one of Ormat Technologies' existing power plants. Continue reading.

5. Houston expert discusses the clean energy founder's paradox

Nada Ahmed. Courtesy photo

Everyone tells you to move fast and break things. In clean energy, moving fast without structural integrity means breaking the only planet we’ve got. This is the founder's paradox: you are building a company in an industry where the stakes are existential, the timelines are glacial, and the capital requires patience. Continue reading this guest column.

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