Major Lithium Deposit Uncovered
A comprehensive study reveals that the Salton Sea, located in Southern California, harbors one of the world’s largest lithium deposits. This significant find could potentially produce batteries for over 375 million electric vehicles (EVs). The report, spanning 371 pages and commissioned by the Department of Energy, was spearheaded by UC Riverside’s geology research professor Michael McKibben.
Implications for National EV Goals
The abundant lithium reserves at the Salton Sea could play a crucial role in replacing every gasoline-powered vehicle in the US with an electric alternative. This aligns with President Biden’s objective of achieving 50% electric vehicle usage by 2030. Additionally, the United States might shift from importing lithium to becoming a key exporter, contributing to global decarbonization efforts.
Challenges and Company Efforts
While the prospect is promising, the successful extraction of lithium hinges on the endeavors of three companies: Berkshire Hathaway, EnergySource, and Controlled Thermal Resources. Each company is exploring innovative methods to extract lithium in cost-effective and environmentally sustainable ways. The study’s positive findings are expected to aid in securing financing for these projects.
Geothermal Field and Lithium Extraction Process
The Salton Sea’s lithium will be sourced from the area’s geothermal field. The extraction process involves using steam generated from the boiling brine to produce clean energy. Existing geothermal plants in the region, some operating for decades, will adapt their operations to include lithium extraction. This approach aims to minimize new emissions and leverage existing infrastructure.
Impact on Environment and Seismic Activity
The study addresses concerns regarding water usage, air quality, and seismic activity. It suggests that lithium extraction through geothermal plants will not create new emissions. Companies can recapture water through steam condensation, and one firm reportedly recycles 80% of its fresh water usage. While seismic activity has increased over the past forty years due to geothermal energy production, the report indicates no major concerns about large earthquakes triggered by lithium extraction.
Future Prospects and Environmental Considerations
The Salton Sea lithium extraction projects are poised to meet the rising domestic demand for electric vehicles. The study underscores the importance of proper monitoring, verification systems, and mitigation technologies to ensure minimal environmental impacts. If managed effectively, lithium development at the Salton Sea could significantly bolster the US’s transition to sustainable energy and transportation solutions. 
