General Motors announced Tuesday that it is entering the grid energy storage market, partnering with startup Peak Energy to manufacture sodium-ion battery cells specifically designed for data centers rather than vehicles. The move reflects a broader shift in how artificial intelligence infrastructure companies are securing reliable power as demand for electricity to run AI systems surges.

Why Is an Automaker Suddenly Interested in Data Center Batteries?

The short answer: power has become the primary constraint on AI growth. Goldman Sachs Research forecasts a 165% increase in global data center power demand by 2030 compared with 2023, with capacity reaching 92 gigawatts by 2027. As this demand concentrates in specific regions, hyperscalers like Microsoft, Google, and Amazon are shifting from simply buying electricity off the grid to actively building their own power infrastructure, including on-site battery storage systems.

GM's entry into this space is unconventional but strategic. The company is not trying to reinvent battery technology; instead, it is leveraging its manufacturing expertise to produce cells optimized for a use case where traditional automotive constraints do not apply. Sodium-ion chemistry, which has been used in some electric vehicles, offers distinct advantages for stationary grid storage.

What Makes Sodium-Ion Batteries Better for Data Centers?

Sodium-ion cells operate on the same basic principle as lithium-ion batteries but use different materials, resulting in three key benefits: lower cost, longer lifespan, and significantly reduced overheating risk. The trade-off is size and weight, which is irrelevant for a battery sitting in a field powering a data center but would be impractical inside a moving vehicle.

The practical engineering advantage is substantial. Because sodium-ion cells run cooler, Peak Energy's grid batteries can ship without cooling systems or fire-suppression equipment. Eliminating this hardware lowers upfront costs and reduces ongoing maintenance expenses.

"This is the manifestation of the hardest part to engineer is no part at all. Eliminate the part, eliminate the problem," said Paul Menson, GM's director of energy-storage commercialization.

Paul Menson, Director of Energy-Storage Commercialization at General Motors

GM is creating a fresh sodium-ion chemistry built specifically for stationary, grid-scale use. The company is the first automaker outside China to commit to manufacturing sodium-ion cells, according to industry announcements.

How Is GM Executing This Strategy?

• Phase One (Near-term): GM is supplying lithium iron phosphate (LFP) cells to LG Energy Solution for grid storage systems. The two companies already manufacture electric vehicle batteries together through their Ultium joint venture, making this partnership a natural extension of existing operations.
• Phase Two (2028 and beyond): GM's first sodium-ion cells will enter trial production at the company's Battery Cell Development Center in 2028. GM will manufacture the cells and sell them to Peak Energy, which will integrate them into finished grid storage products.
• Expanded Partnerships: GM is also widening its relationship with Redwood Materials, a battery recycling and storage startup run by former Tesla executive J.B. Straubel. Redwood operates a 12 megawatt/63 megawatt-hour microgrid built from second-life EV battery packs at a Crusoe data center in Sparks, Nevada, and GM is now purchasing a 7.2 megawatt-hour Redwood system for a Michigan manufacturing plant.

The company has earmarked $900 million to commercialize new battery chemistries, including funding for a new battery-development center. While GM declined to specify how much it is investing specifically in the Peak Energy partnership, the scale of the overall commitment signals serious intent.

What Does This Mean for the Broader AI Infrastructure Race?

Morgan Stanley analysts note that batteries, microgrids, natural gas, and nuclear power are all gaining ground as data centers move toward what the industry calls "bring your own power" strategies. Hyperscalers are expected to spend more than $1 trillion on energy infrastructure across 2025 and 2026. This represents a fundamental shift in how the industry approaches power security.

GM's sodium-ion strategy addresses a real bottleneck: the scarcity and cost of lithium and cobalt, materials essential for traditional lithium-ion batteries. A cheaper, fire-resistant alternative that does not depend on the same constrained mineral supply gives the company a credible product for a market that is growing rapidly and facing supply chain pressures.

"The way we're getting into the market is the easy way, through ESS," said Kurt Kelty, vice president of battery and sustainability at GM. "The performance characteristics are just what is needed in that market."

Kurt Kelty, Vice President of Battery and Sustainability at General Motors

The Redwood Materials partnership also illustrates a secondary benefit: battery reuse. Second-life EV packs, which have degraded too much for vehicles but retain 70 to 80 percent of their original capacity, can serve data centers for another decade or more. This extends the economic life of batteries and reduces the environmental cost of manufacturing new cells.

GM's move is part of a broader trend. Battery recycler Redwood Materials started this trend last year with a new energy-storage division, and Ford has already retooled some of its battery-manufacturing capacity for grid-scale packs. GM's version arrives with bigger ambitions and a commitment to a new chemistry specifically engineered for the task.

For data center operators and AI companies, this development offers a new option for securing reliable, cost-effective power storage as they scale their operations. For GM, it represents a strategic pivot: the company is leveraging its core manufacturing competency in a market where demand is growing faster than supply and where traditional automotive constraints do not apply.