Southern Energy's $1.4B Louisiana SAF Plant Gains a Proven Technology Partner

Louisiana is becoming a leading destination for sustainable aviation fuel investment in the United States. Southern Energy Renewables and global technology licensor Axens signed a memorandum of understanding on March 13, 2026. The agreement advances SAF production at a planned $1.4 billion facility in St. Charles Parish. The MOU brings Axens' full technology suite into the project, covering CO₂ capture, conditioning, and certified SAF production technologies from start to finish.

What Is Southern Energy Renewables Building in Louisiana?

Southern Energy Renewables is developing a commercial-scale biomass-to-fuels facility in St. Charles Parish. The site sits west of New Orleans along the Mississippi River, close to existing hydrogen supply infrastructure and established port logistics. The $1.4 billion project will convert regional wood-waste biomass into carbon-negative SAF and green methanol.

Louisiana Economic Development (LED) announced the project on March 11, 2026. Pre-construction planning is already underway. Construction is expected to begin in late 2027. Commercial production is targeted for late 2029.

The facility is Southern's first commercial-scale development in Louisiana. The company is also pursuing a proposed merger with DevvStream Corp. (Nasdaq: DEVS), a carbon management and environmental-asset monetization firm. That combination is designed to build out Southern's financial platform ahead of construction.

LED Secretary Susan B. Bourgeois confirmed the state's backing in the project announcement. Louisiana is supporting the facility with LED FastStart workforce development and a $1 million performance-based infrastructure grant. Southern is also expected to participate in the state's Industrial Tax Exemption program.

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What Does the Axens Partnership Bring to the Table?

Axens will serve as licensor-of-record for all key technologies across the project's value chain. That covers CO₂ capture and conditioning at the input stage through to certified sustainable aviation fuel production technologies at the output stage. Axens holds more than 3,000 industrial units under license worldwide. The company has deployed SAF technology commercially in Asia and across North America.

Under the MOU, Southern leads all project development work. This includes site preparation, permitting, feedstock sourcing, offtake engagement, and coordination with local stakeholders. Axens brings the technology layer, with the stated goal of advancing a de-risked, bankable pathway from regional biomass to low-carbon fuel.

The Southern MOU is one of several Axens moves in the U.S. SAF market in early 2026. In April 2026, Axens signed a separate three-year commercial collaboration with XCF Global (Nasdaq: SAFX). That deal covers SAF deployment using Axens' Vegan hydrotreating process. Axens also signed an MOU with Airbus in March 2026 focused on SAF pathway development for commercial aviation. Taken together, these agreements reflect a strategy to anchor proven technology across multiple U.S. production projects simultaneously.

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Why Is Louisiana Attracting This Much SAF Investment?

Louisiana's pull for SAF developers comes down to three things: infrastructure, feedstock, and policy. The state's port access along the Mississippi River connects producers to domestic and international fuel markets. Abundant forestry and agricultural waste provides low-cost feedstock. And the state's industrial workforce has decades of experience in large-scale energy facility construction and operations.

The Southern Energy Renewables project is not the only major SAF initiative underway in Louisiana. DG Fuels is developing an approximately $8 billion synthetic jet fuel facility in St. James Parish. That project targets approximately 200 million gallons of SAF per year. Samsung E&A won the front-end engineering design (FEED) contract for the hydrogen and power systems in December 2025. A final investment decision is targeted for Q3 2026. Commercial production is expected by 2028.

Project	Location	Investment	Target Production Start	Primary Output
Southern Energy Renewables	St. Charles Parish	$1.4 billion	Late 2029	SAF + green methanol
DG Fuels	St. James Parish	~$8 billion	2028	Synthetic SAF (~200M gal/yr)

Federal policy is also a factor. The U.S. 45Z Clean Fuel Production Tax Credit was extended through December 31, 2029 under the One Big Beautiful Bill Act. That legislation was signed into law on July 4, 2025. The credit provides up to $1 per gallon for qualifying SAF producers and gives developers a longer runway to reach final investment decisions and secure financing.

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How Does the St. Charles Parish Facility Produce Carbon-Negative Fuel?

Southern Energy Renewables' facility will use regional wood-waste biomass as its primary feedstock. The project is designed to produce both carbon-negative SAF and green methanol from that single feedstock source. The two fuel outputs address different but growing decarbonization markets. SAF targets the aviation sector. Green methanol targets maritime operators working to meet International Maritime Organization emissions mandates.

Axens covers the full technology stack confirmed under the MOU. That includes CO₂ capture and conditioning, and certified SAF production pathways. The integrated design targets carbon-negative lifecycle emissions across both fuel products. Global SAF production represented approximately 0.6% of total jet fuel consumed worldwide as of December 2025, according to IATA. Projects like the St. Charles Parish facility represent the next generation of production capacity built to close that gap at scale.

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Louisiana's SAF Corridor Is Now Officially in Motion

The Southern Energy Renewables and Axens collaboration is the latest marker in Louisiana's emergence as a U.S. clean fuels corridor. The two confirmed large-scale SAF projects now in development across St. Charles and St. James parishes represent more than $9 billion in planned investment. The state's port infrastructure, industrial workforce, biomass feedstock supply, and competitive incentive packages are drawing projects at a scale few other states can match.

For Southern Energy Renewables, the Axens partnership addresses one of the biggest risks facing early-stage SAF projects: technology uncertainty. Axens serving as licensor-of-record across the full production value chain gives the St. Charles Parish facility a proven, globally deployed technical foundation. The path forward includes completing pre-construction work, reaching a final investment decision, and breaking ground in late 2027.

Southern's production target of late 2029 means Louisiana could have two large commercial SAF facilities delivering low-carbon jet fuel within roughly the same three-year window. DG Fuels targets 2028. Southern targets 2029. That kind of concentrated capacity is rare, and it positions the state as a meaningful contributor to the U.S. aviation sector's decarbonization roadmap.