ExxonMobil may delay or cancel plans for $7 billion Baytown hydrogen plant

project uncertainty

ExxonMobil Chairman and CEO Darren Woods said during the company’s recent second-quarter earnings call that the company is "concerned about the development of a broader market" for its low-carbon hydrogen plant in Baytown. Photo via exxonmobil.com

Spring-based ExxonMobil, the country’s largest oil and gas company, might delay or cancel what would be the world’s largest low-carbon hydrogen plant due to a significant change in federal law. The project carries a $7 billion price tag.

The Biden-era Inflation Reduction Act created a new 10-year incentive, the 45V tax credit, for production of clean hydrogen. But under President Trump’s "One Big Beautiful Bill Act," the window for starting construction of low-carbon hydrogen projects that qualify for the tax credit has narrowed. The Inflation Reduction Act mandated that construction start by 2033. But the Big Beautiful Bill switched the construction start time to early 2028.

“While our project can meet this timeline, we’re concerned about the development of a broader market, which is critical to transition from government incentives,” ExxonMobil Chairman and CEO Darren Woods said during the company’s recent second-quarter earnings call.

Woods said ExxonMobil is working to determine whether a combination of the 45Q tax credit for carbon capture projects and the revised 45V tax credit will help pave the way for a “broader” low-carbon hydrogen market.

“If we can’t see an eventual path to a market-driven business, we won’t move forward with the [Baytown] project,” Woods said.

“We knew that helping to establish a brand-new product and a brand-new market initially driven by government policy would not be easy or advance in a straight line,” he added.

Woods said ExxonMobil is trying to nail down sales contracts connected to the project, including exports of ammonia to Asia and Europe and sales of hydrogen in the U.S.

ExxonMobil announced in 2022 that it would build the low-carbon hydrogen plant at its refining and petrochemical complex in Baytown. The company has said the plant is slated to go online in 2027 and 2028.

As it stands now, ExxonMobil wants the Baytown plant to produce up to 1 billion cubic feet of hydrogen per day made from natural gas, and capture and store more than 98 percent of the associated carbon dioxide. The company has said the project could store as much as 10 million metric tons of CO2 per year.

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ExxonMobil and Mitsubishi are still working out details of the arrangement, such as equity participation in the project and use of the low-carbon ammonia. Photo via exxonmobil.com

Mitsubishi, ExxonMobil announce low-carbon ammonia production partnership in Baytown

dream team

Spring-based ExxonMobil has teamed up with Japan’s Mitsubishi to potentially produce low-carbon ammonia and nearly carbon-free hydrogen at ExxonMobil’s facility in Baytown.

ExxonMobil and Mitsubishi are still working out details of the arrangement, such as equity participation in the project and use of the low-carbon ammonia.

“We look forward to furthering our leadership position, alongside Mitsubishi Corporation, to advance low-carbon hydrogen and ammonia globally, helping the world achieve a lower emission future,” Dan Ammann, president of ExxonMobil Low Carbon Solutions, says in a news release.

The ammonia would be shipped to Japan for power generation, process heating, and other industrial purposes. In conjunction with this project, Mitsubishi would convert part of a liquified petroleum gas (LPG) terminal into an ammonia terminal. The Japanese conglomerate plans to partner with Japanese petroleum company Idemitsu Kosan for ammonia purchases and a joint equity stake in the Baytown project.

The Baytown project is expected to generate as much as one billion cubic square feet of low-carbon hydrogen per day and more than one million tons of low-carbon ammonia per year.

A financial decision on the project is set for 2025, with the project coming online in 2029.

“We are excited to be closely collaborating with ExxonMobil to develop low-carbon hydrogen and ammonia supply chains that will bridge the United States and Japan,” says Masaru Saito, CEO of Mitsubishi’s Environmental Energy Group. “Together, we will lead this joint initiative to assist in the acceleration of the hard-to-abate sectors’ transition to clean energy.”

The deal will enable transportation of ExxonMobil’s low-carbon hydrogen through Air Liquide’s pipeline network. Photo via exxonmobil.com

ExxonMobil’s low-carbon hydrogen project in Baytown adds Air Liquide as partner

team work

Spring-based energy giant ExxonMobil has enlisted Air Liquide as a partner for what’s being billed as the world’s largest low-carbon hydrogen project.

The deal will enable transportation of ExxonMobil’s low-carbon hydrogen through Air Liquide’s pipeline network. Furthermore, Air Liquide will build and operate four units to supply 9,000 metric tons of oxygen and up to 6,500 metric tons of nitrogen each day for the ExxonMobil project.

Air Liquide’s U.S. headquarters is in Houston.

ExxonMobil’s hydrogen production facility is planned for the company’s 3,400-acre Baytown refining and petrochemical complex. The project is expected to produce 1 billion cubic feet of low-carbon hydrogen daily from natural gas and more than 1 million tons of low-carbon ammonia annually while capturing more than 98 percent of the associated carbon emissions.

“Momentum continues to build for the world’s largest low-carbon hydrogen project and the emerging hydrogen market,” Dan Ammann, president of ExxonMobil Low Carbon Solutions, says in a news release.

The hydrogen project is expected to come online in 2027 or 2028.

ExxonMobil says using hydrogen to fuel its olefins plant at Baytown could reduce sitewide carbon emissions by as much as 30 percent. Meanwhile, the carbon capture and storage (CSUS) component of the project would be capable of storing 10 million metric tons of carbon each year, the company says.

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10+ Houston energy transition events to attend in September 2025

Must-Attend Meetings

Editor's note: September is here, and the calendar is full of must-attend energy transition events. Get the details on the top energy happenings in September 2025, and begin registering today. Please note: this article may be updated to include additional events.

September 3 — Houston Energy + Climate Tech Startup Week Preview Happy Hour

Head to the Ion for a networking happy hour to preview Houston Energy + Climate Startup Week 2025. Industry leaders, investors, startups, and key partners from Houston’s energy and climate innovation ecosystem will gather to share the inside scoop on the upcoming event's programming and opportunities.

This event takes place Wednesday, September 3 at 5:30 pm at the Ion. Click here to register.

September 3-4 — 11th Annual Digitalization in Oil & Gas Conference

This conference will delve deep into the intersection of digitalization and decarbonization, highlighting the transformation required for the oil and gas sector to stay relevant, resilient, and achieve business value. This year, the focus is on leveraging AI and generative AI, driving sustainability and workforce development, and achieving operational excellence through digitalization. Key objectives include building future-ready facilities, planning for a lower carbon market, and realizing business value through innovative solutions.

This event begins Wednesday, September 3 at Hilton Americas Houston. Click here to register.

September 8-10 — SPE Energy Transition Symposium

The SPE Energy Transition Symposium brings together professionals from multiple disciplines across the energy sector, offering a comprehensive platform for learning, networking, and collaboration. Its primary objective is to facilitate the exchange and dissemination of knowledge drawn from the insights of industry leaders, technical experts, academics, practitioners, representatives from the financial community, and environmental, social, and governance (ESG) leaders. This year's symposium is titled "Synergizing Innovation and Collaboration: Transforming Energy for a Sustainable Future."

This event begins Monday, September 8 at Houston Marriott Sugar Land. Click here to register.

September 12 — Workforce of the Future

UH Energy collaborates with the Society for Underwater Technology and SPRINT Robotics to host an immersive, full-day event spotlighting how AI and robotics are reshaping the energy industry. Industry leaders, innovators, and educators will converge to discuss how to empower the next generation of talent to lead the digital transformation of energy.

This event takes place Friday, September 12 at University of Houston Student Center South – Houston Room. Click here to register.

September 15-19 — Houston Energy & Climate Week

Houston Energy & Climate Week utilizes Houston's potential to propel global climate action. This gathering welcomes an unparalleled selection of global energy leaders and communities, giving participants opportunities to interact and discuss capital, technology, workforce, and policy needs. It is organized by Allies in Energy, a nonprofit dedicated to building energy and climate literacy and a pathway to the workforce of the future.

Following an invite-only dinner on Sunday, September 14, this event begins with Opening Ceremonies on Monday, September 15. Click here for details.

September 15-19 — Houston Energy + Climate Startup Week

Launched in 2024, the official Houston Energy and Climate Startup Week returns for its second year, showcasing how Houston is developing and scaling real solutions for the dual challenge of meeting growing global energy demand while reducing carbon emissions. Join leading energy and climate venture capital investors, industry leaders, and startups from around the world for this showcase of the most innovative companies and technologies that are transforming the energy industry while driving a sustainable, low-carbon energy future.

This event begins Monday, September 15 with a kickoff event at the Ion Plaza. Click here for details.

September 16 — Pilotathon 2025 & Company Showcase

EnergyTech Nexus hosts its annual Pilotathon — a high-impact event designed to fast-track pilot deployments for climate and energy tech startups. Expect a full day of curated startup pitches, a 50-plus company innovation showcase, and direct engagement with corporate partners, investors, and ecosystem leaders. The afternoon will also feature participants from the ETN CoPilot Accelerator. Startup applications and event registration is now open at www.pilotathon.com.

This event takes place Tuesday, September 16 at 8 am at GreenStreet. Click here to register.

September 18 — ACCEL Year 3 Showcase

As part of Houston Energy and Climate Startup Week, Greentown Labs will celebrate ACCEL, an accelerator program for startups led by BIPOC and other underrepresented founders. The third ACCEL cohort will present a showcase featuring their technologies, what they’ve accomplished in the first six months of the program, and where they’re headed next. Attendees will also have the opportunity to network with industry leaders who are passionate about and building an inclusive and sustainable future.

This event takes place Thursday, September 18 at 5 pm at Greentown Labs. Click here to register.

September 18 — 22nd Annual Energy Tech Venture Forum

The Rice Alliance Energy Tech Venture Forum will showcase energy tech innovations to shift towards a more sustainable, reliable and lower carbon future. This anchor event of Houston Energy + Climate Startup Week will showcase quality companies and conversations, giving attendees the chance to connect with other leaders and see where energy is headed.

This event takes place Thursday, September 18 at Rice University. Click here to register.

September 22-23 — Southwest Process Technology Conference

The 16th Southwest Process Technology Conference, with the theme “Process Technology in 2025: Solid Foundation, Dynamic Future,” will feature a diverse range of keynote presentations and technical sessions, addressing key topics in the technology and business environment of the rapidly evolving oil refining and chemical industries along the Gulf Coast.

This event begins September 22 at the University of Houston. Click here to register.

September 29-30 — Energy Tax Equity and Credit Markets

Infocast's Energy Tax Equity and Credit Markets two-day event brings together the top tax equity investors, financial advisors, platform providers, lenders, and insurers to give critical insights into how to accelerate the dealmaking process. They will provide invaluable insights on navigating the impacts of IRA changes, qualifying projects to take advantage of tax equity investments, strategies for accelerating project financing pipelines, and a deep dive into how to obtain tax credit investments via both traditional and transfer markets.

This event begins Wednesday, September 29 at the C. Baldwin. Click here to register.

Floating solar projects take shape and more energy transition news to know

Trending News

Editor's note: We're looking back at the biggest energy transition stories from the second half of August 2025, from floating solar projects to low-carbon ship fuel and the return of Energy Tech Venture Forum. Here are the five most-read EnergyCapitalHTX stories from August 15-31:

Rice Alliance names participants in 22th annual energy forum

Here are the 100 startups selected to participate in this year's Rice Alliance Energy Tech Venture Forum. Photo by Natalie Harms

The Rice Alliance for Technology and Entrepreneurship has named the 100 energy technology ventures that will convene at the 22nd annual Rice Alliance Energy Tech Venture Forum, as part of the second annual Houston Energy and Climate Startup Week. Half of the startups, which hail from nine countries and 19 states, will pitch during the event, which culminates in the annual recognition of the “Most Promising Companies." Continue reading.

Houston environmental firm makes partnership to deliver low-carbon ship fuel

Houston-based Anew Climate will provide renewable natural gas to Canada-based Seaspan. Photo via seaspan.com

Houston-headquartered environmental services firm Anew Climate and Vancouver-based ship-to-ship marine bunkering of liquified natural gas company Seaspan Energy have entered into a first-of-its-kind strategic agreement to offer the delivery of renewable liquefied natural gas (R-LNG) to customers on the North American West Coast. Continue reading.

Houston energy hub announces first cohort for new accelerator

Energytech Nexus has named its first COPILOT accelerator cohort. Photo via Getty Images.

Energytech Nexus, a Houston-based hub for energy startups, has named its inaugural cohort of 14 companies for the new COPILOT accelerator. The eight-month COPILOT program offers mentorship, training and networking for startups. Program participants will be tasked with developing pilot projects for their innovations. Two Houston startups are members of the first COPILOT class. Continue reading.

Houston companies team up on $700M floating solar projects in Texas

Two Houston companies plan to develop 500 megawatts of floating solar installations in Texas by the end of the decade. Photo via Getty Images.

Diamond Infrastructure Solutions has given Third Pillar Solar exclusive rights to access Diamond’s Texas reservoirs for the possible launch of utility-scale floating solar installations. Both companies are based in the Houston area. The potential investment in the floating solar project exceeds $700 million, and the project is expected to generate up to 500 megawatts of solar energy. Continue reading.

Houston energy firm to develop data center projects in Matagorda County

Two new data center projects are coming to the ERCOT South Zone. Photo via Getty Images.

Houston-based Barrio Energy will develop two new projects for 10-megawatt data center sites in Matagorda County. Located in the ERCOT South Zone, the projects will assist in powering advanced computing operations, modular data centers and cryptocurrency mining. Continue reading.

Houston American Energy shares details on Baytown recycling facility, new innovation center

coming soon

Houston American Energy Corp. (NYSE: HUSA) plans to break ground on its new advanced recycling facility in the Cedar Port Industrial Park in Q4, the company shared in an announcement this week.

The company acquired a 25-acre, $8.5 million site for development in July from TGS Cedar Port Partners, which handles approximately 5 billion pounds of plastic resin annually. HUSA also plans to build the Abundia Innovation Center on the site.

HUSA named Houston-based Corvus Construction Company the design and construction partner on both projects.

“The site at Cedar Port is in the largest master-planned rail and barge served industrial park in the United States with direct access to the Houston Ship Channel and the Port of Houston,” Ed Gillespie, CEO of HUSA, said in a news release. “It provides robust logistical advantages for the transportation of both feedstock and our low-carbon drop-in fuels and chemical products. Critically, the region has a deep pool of engineering and operations talent. HUSA looks forward to working with local communities and adding economic growth in the Gulf Coast region.”

The new advanced recycling facility will convert plastic waste into pyrolysis oil and will serve as a hub for a five-year development plan designed to scale production capacity.

The facility will be built around New York-based Abundia Global Impact Group LLC’s technologies and proprietary pyrolysis process, which converts plastic and certified biomass waste into high-quality renewable fuels.

HUSA acquired AGIG this summer. At the time, the combined company shared that it planned to serve a multi-billion-dollar global demand for renewable fuels, Sustainable Aviation Fuel (SAF) and recycled chemical feedstocks.

The Abundia Innovation Center is planned to serve as a state-of-the-art research and development facility for the renewable energy sector, aiding in the commercial and technical validation of new technologies. HUSA previously announced that Nexus PMG, also based in Houston, will provide strategic support and guidance in the development of the innovation hub.

According to HUSA, the recycling facility and innovation center will “create the foundation for HUSA’s long-term vision to be a leader in the low-carbon fuels sector by driving collaborative innovation.”

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