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ioneer Ltd develops the Rhyolite Ridge Lithium-Boron Project in Esmeralda County, Nevada, a U.S. critical-minerals project designed to mine and process lithium and boron at the mine site. News about IONR centers on federal permitting, environmental review under the Bureau of Land Management and U.S. Fish and Wildlife Service, court proceedings affecting the mine plan, project financing, mineral resource updates, and technical work tied to lithium-boron production.
Company updates also cover the U.S. Department of Energy loan supporting the on-site processing facility, revisions to project plans related to Tiehm’s buckwheat habitat, research and development arrangements for lithium clay, and capital actions used to advance Rhyolite Ridge.
Ioneer (NASDAQ: IONR) announced a U.S. District Court decision on March 30, 2026 upholding federal approvals for the Rhyolite Ridge Lithium-Boron Project.
The Court found BLM and USFWS complied with ESA, FLPMA and NEPA, clearing a major regulatory hurdle and allowing the project to advance toward partnerships and construction.
Ioneer (IONR) has secured a $996 million loan from the U.S. Department of Energy for its Rhyolite Ridge Lithium-Boron Project in Nevada. This represents a $268 million increase from the January 2023 conditional commitment. The project, which received federal permits in October 2024, will be the first new lithium mine in the US in almost 60 years.
Once operational, the facility will quadruple domestic lithium supply, powering approximately 370,000 electric vehicles annually. The project will create 500 construction jobs and 350 permanent positions. The facility features innovative technology, including steam power operation independent from the Nevada grid, and will recycle 50% of water used.
Key financial terms include a 20-year tenor with interest rates fixed at the U.S. Treasury Rate. Next steps include finalizing resource estimates, closing the Sibanye-Stillwater JV agreement for $490 million (50% project share), and securing additional funding. Construction is targeted for late 2025, with first production expected in 2028.
Ioneer (NASDAQ: IONR) has received federal permit approval from the Bureau of Land Management for its Rhyolite Ridge Lithium-Boron Project in Nevada. The project, set to begin construction in 2025 with first production in 2028, will quadruple U.S. lithium output and supply batteries for over 370,000 American-made electric vehicles annually. The facility will create 500 construction jobs and 350 permanent positions. The project features sustainable elements including 50% water recycling and avoids using evaporation ponds. The company plans to issue updated reserve figures and project costs by December 2024, advancing toward Final Investment Decision in Q1 2025.
Ioneer (ASX: INR, NASDAQ: IONR) has achieved a significant milestone for its Rhyolite Ridge Lithium-Boron Project with the publication of the Final Environmental Impact Statement (EIS) by the Bureau of Land Management. This marks a important step towards construction, making Rhyolite Ridge the first lithium project to reach this advanced stage under the Biden Administration's efforts to boost U.S. lithium production.
The project, located in Esmeralda County, Nevada, is set to quadruple the nation's lithium supply and create hundreds of jobs. It aims to reduce reliance on foreign suppliers and develop a domestic source of materials for the U.S. electric vehicle battery production supply chain. Following a 30-day statutory waiting period, a Record of Decision (ROD) is expected in October 2024, potentially allowing construction to begin after a Final Investment Decision (FID). Ioneer anticipates commercial production to commence in 2028.
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Ioneer Ltd (ASX: INR, NASDAQ: IONR) announced a significant 168% increase in lithium resources at its Rhyolite Ridge Lithium-Boron project in Nevada, which can support up to 50 million electric vehicles. This increase reflects a total deposit of 360.0 million tonnes, comprising 3.4 million tonnes of lithium carbonate equivalent and 14.1 million tonnes of boric acid equivalent. The project aims to enhance U.S. lithium supply chains and is expected to quadruple domestic lithium chemical output post-permitting and construction. The operational strategy includes an on-site processing facility to boost efficiency and minimize environmental impacts. The mine plan is currently under NEPA review with adherence to environmental regulations to protect endangered species.
Ioneer Ltd (ASX: INR, Nasdaq: IONR) has secured a Conditional Commitment from the U.S. Department of Energy (DOE) for a proposed loan of up to US$700 million to support its Rhyolite Ridge Lithium-Boron Project in Nevada. This loan, part of the DOE's Advanced Technology Vehicles Manufacturing program, has a term of approximately 10 years at fixed interest rates based on U.S. Treasury rates. The funding is crucial for completing preliminary capital expenditures and represents a significant milestone in bolstering the U.S. domestic electric vehicle supply chain. Successful financial closure will depend on various conditions, including a positive Record of Decision.
Ioneer Ltd has announced significant progress on its Rhyolite Ridge Lithium-Boron Project in Nevada, with the U.S. Bureau of Land Management issuing a Notice of Intent for the project. This milestone advances the project through the NEPA permitting process, crucial for the approval of its Plan of Operations. The project aims to support the U.S. transition to sustainable energy by supplying lithium and boron for electric vehicle production, with expected first production in 2026. Additionally, the project is set to generate around 400-500 construction jobs and 250-300 operating jobs in Nevada.
Ioneer Ltd announced a non-binding Memorandum of Understanding (MOU) with Shell Canada Energy for the annual purchase of up to 500,000 tonnes of sulphur for its Rhyolite Ridge Lithium-Boron Project in Nevada. This agreement secures a vital reagent for ore processing, critical for developing the project. Following a Letter of Intent from December 2019, both companies intend to negotiate a Definitive Agreement. Ioneer's Managing Director highlighted the importance of sulphur in producing carbon-free power and steam, while Shell expressed enthusiasm for the collaboration on decarbonisation solutions.