Ioneer Ltd., listed on ASX and NASDAQ, develops Nevada’s Rhyolite Ridge project to produce lithium and boron for electric vehicle batteries. Committed to sustainability, it uses CO₂-free energy and advanced water recycling. Strategic partnerships enhance its role in advancing battery technology.

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Ioneer Ltd. is an emerging producer of lithium and boron, focusing on developing the Rhyolite Ridge Lithium-Boron Project in Nevada, United States. Listed on both the Australian Securities Exchange (ASX: INR) and NASDAQ (IONR), the company aims to establish itself as a significant supplier of essential materials for electric vehicle batteries and advanced technologies.

The company’s name combines ‘ion’ and ‘pioneer,’ reflecting its mission to lead sustainable mineral production. The Rhyolite Ridge project represents one of North America’s most promising lithium developments, designed to supply approximately 370,000 electric vehicles annually while maintaining strict environmental standards. Ioneer’s approach emphasizes resource efficiency, utilizing CO2-free energy and implementing advanced water recycling strategies that consume 30 times less water than conventional U.S. production methods.

Battery Technology

Ioneer’s contribution to battery technology centers on providing essential raw materials for lithium-ion battery production. The Rhyolite Ridge project will produce over 20,000 tonnes of lithium materials annually, along with 170,000 tonnes of borates. These materials are fundamental components in various battery applications and energy storage solutions.

The company has established strategic partnerships with several battery manufacturers. A notable agreement with Prime Planet Energy & Solutions (PPES), a Toyota-Panasonic joint venture, ensures the supply of lithium carbonate for battery production. Additionally, Ioneer collaborates with Dragonfly Energy to provide materials for lithium iron phosphate battery cells, supporting domestic battery manufacturing.

The company’s processing technology stands out for its efficiency and environmental considerations. Their approach eliminates the need for evaporation ponds and traditional tailings dams, reducing environmental impact while maintaining high production standards. This technological framework allows Ioneer to produce battery-grade materials while meeting strict environmental requirements and supporting the transition to electric mobility.

Recent Projects

In October 2024, Ioneer secured final federal permits for the Rhyolite Ridge project, marking a significant milestone toward construction initiation in 2025. The project received a $996 million loan from the U.S. Department of Energy, representing one of the largest investments in domestic critical mineral production.

The development plans include creating 500 construction jobs and 350 permanent positions. Once operational, the facility will utilize steam power independently from the Nevada energy grid and implement water recycling systems that reduce consumption by 50% compared to similar operations.

Investors

Centaurus Capital LP holds the largest stake at 16.02%, followed by Sibanye Stillwater Limited with 6.192%. The company’s leadership maintains significant ownership, with CEO Bernard Rowe holding 2.955% and James Calaway possessing 2.489%.

Institutional investors include major index funds managed by Vanguard, particularly through their international and small-cap focused portfolios. The Neill Bruce Family maintains a 1.582% stake, while various institutional investors such as DFA Investment Trust and Schwab International Small-Cap Equity ETF hold smaller positions.

Business Details

Location: North Sydney, NSW, Australia (Headquarters); Reno, Nevada, USA (Regional Office)
Website: https://ioneer.com
LinkedIn: https://www.linkedin.com/company/ioneer-ltd

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