Glencore Deal Puts East Texas Lithium on Domestic Market Map

T5 Smackover Partners has signed a binding offtake agreement with Glencore Ltd. for lithium carbonate expected to come from its East Texas operations, adding a clearer market path for one of the domestic lithium projects tied to the Smackover Formation.

Under the five-year agreement, Glencore will market all lithium carbonate produced during T5’s Phase 1 development. That first phase is expected to produce about 5,000 metric tons per year, or roughly 25,000 metric tons over the full contract term. Deliveries are expected to begin once commercial production is underway.

The deal matters because U.S. manufacturers are still looking for more reliable local sources of battery materials. Lithium carbonate is a key input for markets including electric vehicles, stationary energy storage, electronics, defense systems and advanced manufacturing. For buyers trying to reduce exposure to long and complex supply chains, domestic production remains a major priority.

For T5, the agreement connects its planned East Texas output with Glencore’s commodity marketing network. That gives the project a defined commercial channel while the company continues to focus on execution, permitting, production economics and scale-up.

Smackover’s Critical Minerals Role Expands

The Smackover Formation has become a higher-profile target for lithium, geothermal energy and other critical minerals. T5 plans to use direct lithium extraction technology as part of an integrated geothermal energy platform in East Texas, linking mineral recovery with a region that already has deep energy-sector experience.

The project also reflects a wider shift in the critical minerals market. Upstream resource projects are increasingly being tied to downstream demand from battery plants, grid storage developers, automakers and industrial manufacturers. Offtake agreements can help bridge that gap, especially for projects that still need to prove commercial performance at scale.

T5 has positioned its East Texas development as more than a standalone lithium project. The company is also emphasizing geothermal power potential and local landowner participation, both of which could shape how the project is received in a traditional energy-producing region.

The Glencore agreement does not remove the usual development risks. Commercial production, permitting, technology performance and market conditions will all influence the project’s long-term role. Still, the agreement gives T5 a stronger route to market as the U.S. works to build more domestic capacity for critical minerals.