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General Motors and LG Venture Make Plans on $1bn Ultium Cells US Plant Upgrade for EV Batteries

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Published on Sep 30, 2026

Joel Mairura

Ultium Cells US Plant Upgrade

After a significant investment, Ultium Cells US plant upgrade for EV batteries is making strides. The $1 billion partnership between LG Energy Solution and General Motors is designed to improve operations. In particular, the Spring Hill, Tennessee plant will start manufacturing next-generation batteries soon. The new batteries are well engineered to reduce costs and increase energy density. This cutting-edge technology will therefore have a significant long-term impact on GM electric vehicles. This is a huge plant that is expected to be the first to mass produce lithium manganese-rich (LMR) cells.

In the end, this strategic investment reinforces the U.S. plant’s position as a world leader in battery production. The facility is not the only major industrial project making headway in the US. The Avio USA rocket motor plant is also making progress after a massive $500 million investment. In particular, the aerospace company broke ground in Pittsylvania County officially. This massive 900,000-square-foot manufacturing plant will create more than 1,500 new local jobs. Moreover, it is designed to manufacture solid rocket motors for defense and commercial space applications. The ambitious project brings new life to the Southern Virginia Multimodal Park in Hurt.

Outlook on the Ultium Cells US Plant Upgrade for EV Batteries

The massive Tennessee plant is a very complex engineering and technological project. These essential plant changes will officially start later this year. The developers then hope that the whole upgrade will be finished by 2028. In addition, this huge project will generate 500 new jobs and 1,200 current jobs. The plant will use LMR batteries, which replace the costly cobalt with cheaper manganese. As a result, these particular batteries have 33 percent more energy density than conventional LFP batteries. In total, the plant will be able to deliver high nickel, LFP and LMR chemistries in both pouch and prismatic formats.

Strategic Partnerships and Market Outlook

This huge manufacturing edge took decades of focused research and corporate collaboration. LG Energy Solution has been actively developing LMR technology for more than 10 years. Furthermore, they have already obtained their first patent in this area in 2010 and have recently filed 300 additional patents. LG and GM officially agreed to jointly develop these prismatic cells back in December 2024. As a result, they are looking to commercialize these cutting-edge LMR batteries for future GM vehicles. This investment is to meet changing demands, said Ultium Cells President Injae Pahk. Ultimately, this $1 billion investment heavily strengthens their dominance within the highly competitive US battery industry.

The Avio USA rocket motor plant is making progress after a massive $500 million investment today. In particular, the aerospace company broke ground in Pittsylvania County officially. This massive 900,000-square-foot manufacturing plant will create more than 1,500 new local jobs. Moreover, it is designed to manufacture solid rocket motors for defense and commercial space applications. The ambitious project brings new life to the Southern Virginia Multimodal Park in Hurt. As a result, this massive development redevelops the former Burlington Industries plant that closed in 2007. In total, the program has a strong impact on Virginia's status as a leading aerospace hub. Outlook on the Avio USA Rocket Motor Plant Creating this manufacturing center takes a lot of coordination between various state and local agencies. Governor Abigail Spanberger of Virginia was in attendance at the recent groundbreaking ceremony to mark the milestone. She emphasized that this common vision is advancing critical American manufacturing capabilities in a seamless fashion. Furthermore, Avio USA CEO James Syring stressed their desire to become an independent supplier. The company's support of several key defense programs brings proven propulsion experience to the United States. Hence, this facility will add much needed capacity and competition to the national supply chain. Ultimately, this is a resilient American workforce that will provide long-term tactical missile system reliability. Corporate Background and Economic Support This historic aerospace investment took a lot of international trade negotiations recently. Avio is an Italian company based near Rome, specializing in space launch systems, with operations worldwide. Governor Spanberger then met with company leaders in Milan during a summertime economic mission. The Arlington-based Avio USA subsidiary was established in 2022 to target North American markets. This large site in Virginia is the subsidiary's first physical manufacturing location. In addition, many regional alliances and state economic partnerships enabled this massive redevelopment. So, the redevelopment of this empty industrial park could bring a huge economic revival to Pittsylvania County. The Avio USA rocket motor plant is making progress after a massive $500 million investment today. Project Overview Project Value: $500 Million Location: Hurt, Pittsylvania County, Virginia Developer: Avio USA Status: Groundbreaking complete; construction advancing Scope 900,000-square-foot manufacturing facility Solid rocket motor production lines Defense and tactical propulsion systems Commercial space sector components Project Highlights Creates over 1,500 new local jobs Redevelops the vacant Burlington Industries plant Serves as Avio USA's first physical facility Provides an independent rocket motor supply source Key Developments Governor Spanberger attended the groundbreaking ceremony Avio USA originally announced the investment in February Supported by the Virginia Talent Accelerator Program Project anchors the Southern Virginia Multimodal Park Key Challenges Revitalizing a massive, long-vacant industrial property Meeting strict defense and aerospace manufacturing standards Scaling up a specialized local workforce quickly Establishing a robust domestic rocket motor supply chain Outlook Construction advances rapidly at the Hurt location Will support major defense prime contractors soon Boosts Virginia's dominant aerospace industry presence Brings immense economic revitalization to Pittsylvania County

Project Overview

  • Project Value: $1 Billion (1.36 trillion won)
  • Location: Spring Hill, Tennessee
  • Developer: Ultium Cells (LG Energy Solution & General Motors JV)
  • Status: Upgrades begin this year; completion slated for 2028

Scope

  • Plant modification for lithium manganese-rich (LMR) cell production
  • Manufacturing both pouch and prismatic battery formats
  • Expansion of energy storage system (ESS) cell production
  • Integration of high-nickel, LFP, and LMR chemical lines

Project Highlights

  • World’s first facility to mass-produce prismatic LMR cells
  • LMR technology offers 33% higher energy density than LFP cells
  • Creates 500 new jobs alongside the existing 1,200 workforce
  • Reduces battery costs by utilizing manganese instead of expensive cobalt

Key Developments

  • Plant modifications will officially kick off later this year
  • LG Energy Solution and GM previously agreed to jointly develop prismatic cells in 2024
  • The plant began producing LFP cells for energy storage in June
  • LG has filed over 300 LMR-related patents recently

Key Challenges

  • Safely modifying an active, massive battery manufacturing facility
  • Perfecting the mass-production process for complex new LMR chemistries
  • Meeting aggressive 2028 completion deadlines seamlessly
  • Responding quickly to rapidly shifting US electric vehicle market demands

Outlook

  • Facility upgrades will conclude entirely by 2028
  • Massive $1 billion total investment rolls out through 2030
  • Will supply advanced, cheaper batteries for future GM electric vehicles
  • Strengthens LG and GM’s dominance in the US battery sector

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