Arena Energy has reached financial close on a $480 million U.S. Department of Energy (DOE) financing package for Project Elkhorn, an offshore oil and gas infrastructure development in the Southern Eugene Island area off Louisiana.
The financing supports work across 22 offshore platforms, including refurbishment, repowering and capacity upgrades, the return of idled facilities to service, and the construction of new natural gas pipelines connecting future wells to existing pipeline infrastructure.
Arena will carry out the project through its wholly owned subsidiary, Elkhorn Offshore LLC. The company estimates that the development will add approximately 125 million barrels of oil and 250 billion cubic feet of natural gas over its operating life.
At peak production, the DOE expects the project to add as much as 38,600 barrels of oil per day and 77 million cubic feet of natural gas per day.
The November 10 financial close marks the DOE’s first completed financing supporting domestic oil and natural gas production.
Project Elkhorn targets 22 offshore platforms
Project Elkhorn focuses on upgrading existing offshore infrastructure rather than developing an entirely new production area.
Arena plans to refurbish, retool and repower offshore platforms, return idled facilities to service and expand production and water-handling capacity at active facilities.
The company will also construct new natural gas pipelines to connect future wells with existing pipeline systems. These connections will support the transportation of additional gas production from the offshore development.
The project therefore combines work on existing platforms with new pipeline infrastructure. Its production targets depend on completing these upgrades, bringing inactive facilities back into operation and connecting future wells.
However, Arena has not publicly identified all 22 platforms or provided their individual lease-block locations, current operating status and planned capacity increases. The company has also not disclosed how the work will be divided between platform refurbishment, production expansion and pipeline construction.
Those details would provide a clearer picture of the project’s physical scope and the sequence in which the facilities will return to service.
DOE financing supports domestic offshore production
The $480 million financing comes through the DOE’s Office of Energy Dominance Financing. The department says the project completed technical, legal, environmental and financial due diligence before reaching financial close.
The financing brings federal support to an established offshore operator seeking to expand production through investment in mature Gulf infrastructure.
According to the DOE, Arena currently produces approximately 30,000 barrels of oil per day offshore. Project Elkhorn is expected to add up to 38,600 barrels per day at peak production.
The public announcement does not disclose the detailed financial terms of the $480 million financing, including its interest rate, repayment schedule, maturity, collateral arrangements or the timetable for drawing down the funds.
Those details matter when assessing the government’s financial exposure and the project’s obligations under the financing agreement. Financial close confirms that the financing has advanced beyond the approval stage, but the undisclosed terms prevent a complete assessment of its structure.
Production forecasts and federal royalty expectations
Arena estimates that Project Elkhorn will produce an additional 125 million barrels of oil and 250 billion cubic feet of natural gas over its operating life.
The DOE’s peak daily production estimates provide a separate measure of the project’s expected contribution once the upgraded facilities reach their intended output.
Arena also forecasts approximately $1.6 billion in additional federal royalties from the development. Energy Secretary Chris Wright has described the expected royalty receipts as coming over a ten-year period, according to Reuters.
That figure remains a projection based on future production. It should not be treated as an upfront payment or a guaranteed financial return from the federal financing.
Arena says it has paid more than $1.8 billion in royalties to the federal government since its founding in 1999. That historical figure provides context for the company’s offshore operations but is separate from the additional royalties forecast for Project Elkhorn.
The project’s eventual contribution will depend on production performance, commodity prices, operating costs and the timing of new output.
White Fleet Drilling and Rosefield Pipeline to support execution
Arena plans to execute Project Elkhorn with its affiliated partners White Fleet Drilling and Rosefield Pipeline.
The announcement does not provide a breakdown of their individual contracts, project values or responsibilities across the 22 platforms and planned pipeline infrastructure.
The pipeline component will be particularly important because the project depends not only on restoring and expanding offshore production facilities but also on connecting future wells to existing gas transportation systems.
Arena has not disclosed the new pipelines’ routes, lengths, diameters or transportation capacities. It has also not published a detailed construction schedule or a sequence for returning the idled platforms to service.
These details will help establish the scale of the engineering and construction work and how quickly the project can translate its financing into additional production.
Project forecasts 2,800 jobs
Arena estimates that Project Elkhorn will support 2,800 jobs, including 2,400 construction positions and 400 operations roles.
The construction workforce will support platform refurbishment and repowering, production and water-handling upgrades, and pipeline development. The operations positions are expected to support the facilities after the upgraded infrastructure enters service.
Federal support for Project Elkhorn comes as utilities and developers continue investing in different forms of U.S. energy infrastructure. In Florida, Duke Energy has filed plans for four solar projects totaling 300 MW, with construction expected to begin in 2027 and all four facilities targeted for completion by mid-2028.
For Project Elkhorn, the next important milestones will be the start and progress of offshore construction, the return of idled platforms to service and completion of the new pipeline connections.
Project Elkhorn Factsheet
Developer: Arena Energy LLC
Project subsidiary: Elkhorn Offshore LLC
Location: Southern Eugene Island area, offshore Louisiana
Financing: $480 million DOE financing
Financing agency: DOE Office of Energy Dominance Financing
Financial status: Financial close announced November 10, 2026
Offshore infrastructure: 22 platforms
Planned work: Platform refurbishment, retooling, repowering, capacity expansion, return of idled platforms to service and new natural gas pipelines
Expected additional peak oil production: Up to 38,600 barrels per day
Expected additional peak natural gas production: Up to 77 million cubic feet per day
Estimated lifetime additional production: 125 million barrels of oil and 250 billion cubic feet of natural gas
Execution partners: White Fleet Drilling and Rosefield Pipeline
Estimated additional federal royalties: $1.6 billion, according to Arena
Estimated jobs: 2,400 construction and 400 operations
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