Ultium Cells retrofits Tennessee plant for LMR cell production
Ultium Cells, a GM and LG Energy Solution joint venture, plans to retrofit a Tennessee plant to produce lithium-manganese-rich (LMR) cells by 2028. The company claims LMR cells offer 33% higher energy density than LFP at similar costs. GM aims to use these cells in future EVs, with a focus on pickups and large SUVs. The project aligns with GM's battery strategy shift, potentially phasing out LFP for vehicles. Investments may reach $1 billion by 2030, creating 500 jobs.
How this was made

The 30-second read
Why it matters
The plant retrofit could improve GM's EV range and cost structure, offering a competitive edge in the EV market.
Market read
The announcement provides fresh, material insight into GM's battery strategy, likely influencing its stock and the broader EV supply chain.
What to watch
Potential cost overruns or slower than expected ramp‑up of high‑nickel cell production at the same site.
Background
GM and LG Energy Solution's Ultium Cells JV is expanding its Spring Hill battery plant to include LMR, LFP, and high‑nickel cells, investing roughly $1 billion.
Ticker impact
GM's joint venture Ultium Cells will retrofit its Spring Hill plant to produce lithium‑manganese‑rich (LMR) cells, with a $1 billion investment and 500 new jobs expected by 2028.
likely upward pressure as investors price in the battery technology advantage and long‑term cost benefits.
Large‑scale capital allocation to a new cell chemistry and a clear timeline provide a concrete catalyst for the stock.
Market effects
May accelerate adoption of LMR cells across the EV industry, influencing battery suppliers and EV makers.
Boosts the Tennessee manufacturing base and could attract related supply‑chain investments.
Positions GM as a leader in next‑gen battery tech, affecting global EV competition.
Counterpoint
Execution risk and unproven LMR durability could delay benefits, weighing on the stock.
Key entities
- CompanyGeneral Motors
US‑listed automaker leading the battery retrofit.
- CompanyLG Energy Solution
Korean battery maker partnering with GM.




