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Peak Energy

Manufactures sodium-ion energy storage batteries

Overview

Peak Energy develops and deploys sodium-ion battery systems for energy storage. It operates a large-scale manufacturing approach using a US-based gigafactory to produce sodium-ion batteries that are cheaper, safer, and more abundant than lithium-ion options. The product works by scaling the production of sodium-ion cells and modules to provide storage solutions for renewable energy producers, businesses, and homeowners, enabling reliable and cost-effective energy storage. Compared to competitors, Peak Energy differentiates itself with the first US-based sodium-ion gigafactory, a leadership team with experience from Tesla, Northvolt, SunPower, Fluence, and Enovix, and a focus on domestic supply chains to reduce price volatility and environmental impact. The company aims to set sodium-ion storage as the standard for the new era of renewable energy by delivering high-volume, cost-competitive storage at scale.

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About Peak Energy

Simplify's Rating
Why Peak Energy is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

HardwareIndustrial & ManufacturingEnergy

Company Size

201-500

Company Stage

Series B

Total Funding

$173M

Headquarters

Denver, CO

Founded

2023

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What believers are saying

  • Peak claims over 6 GWh of customer commitments, including Jupiter Power’s 4.75 GWh deal.
  • The Sacramento factory won a $10.5 million California tax credit, lowering buildout burden.
  • Data-center and grid-storage demand surged in 2026, directly expanding Peak’s target market.

What critics are saying

  • CATL shipped commercial sodium-ion storage in July 2026, compressing Peak’s technology lead.
  • Peak must ramp Sacramento by Q1 2027 before Jupiter Power, Energy Vault, and RWE commitments.
  • If sodium-ion costs or durability miss targets, lithium suppliers and CATL will outscale Peak.

What makes Peak Energy unique

  • Peak Energy is America’s first dedicated grid-scale sodium-ion manufacturer, targeting 4 GWh in Sacramento.
  • Its passively cooled sodium systems cut complexity and operating cost versus lithium-ion storage.
  • GM’s June 2026 partnership validates Peak’s domestic supply-chain pitch and engineering credibility.

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Funding

Total Funding

$173M

Above

Industry Average

Funded Over

3 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Above Average

Industry standards

$35M
$45M
$65M
$100M
$108M

Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • Company Equity

Growth & Insights and Company News

6 month growth

-1%

1 year growth

-5%

2 year growth

0%
The Electric Viking
Oct 24th, 2026
GM and Peak Energy partner on sodium-ion batteries for grid storage.

GM and Peak Energy partner on sodium-ion batteries for grid storage. GM has announced a partnership with Peak Energy to develop next-generation sodium-ion battery cells, focusing on grid-scale energy storage rather than electric vehicles. The collaboration aims to deliver lower-cost, reliable storage solutions as demand for renewable energy and data center infrastructure grows. GM and Peak Energy's sodium-ion battery collaboration. On June 10, 2026, GM and Peak Energy revealed a partnership to develop sodium-ion battery cells at GM's Michigan battery labs. Under the agreement, GM will retain exclusive manufacturing rights, while Peak Energy will integrate these cells into its battery storage systems as it expands US manufacturing. The companies are targeting the rapidly growing stationary storage market, which is being driven by increased renewable energy adoption, rising electricity demand, and the expansion of data centers and AI infrastructure. Advantages of sodium-ion for stationary storage. Currently, lithium-iron phosphate (LFP) batteries dominate the stationary storage sector. However, Peak Energy claims its sodium-ion platform can reduce energy storage costs by 20% compared to conventional systems and deliver more than 99% uptime. A key innovation is Peak Energy's passively cooled battery storage platform, which eliminates the need for active cooling equipment required by LFP systems. According to the company, this design could reduce annual battery-storage energy waste in the US by up to 2 terawatt-hours (~2,000 GWh), enough to power a mid-sized city for a year. Funding and expansion plans. On October 23, 2026, Peak Energy raised $108M (~AUD 153.9M) in an oversubscribed Series B funding round led by GM Ventures, with support from LG Technology Ventures and other investors. Peak Energy intends to use the new funding to expand US manufacturing, fulfill over $1B (~AUD 1.4B) in existing customer orders, and introduce its passively cooled energy storage systems to the data center market. Competitor comparison. The stationary storage market is highly competitive, with CATL's grid-scale LFP batteries currently leading in global deployments. Energy Vault is also active in the sector, having secured a 1.5 GWh sodium-ion contract for data centers earlier in 2026. GM and Peak Energy's approach with sodium-ion technology is aimed at challenging these established players by offering a cost-effective and energy-efficient alternative for large-scale storage. Historical context. GM's global vehicle sales reached 6 million units in 2024, up from 5.7 million in 2023, reflecting a 3% year-over-year increase. This growth highlights GM's ongoing investment in both automotive and energy storage technologies. Why this matters. Sodium-ion batteries use more abundant and lower-cost materials than lithium-based batteries, making them an attractive option for grid-scale storage where energy density is less critical. GM's vice president of battery and sustainability, Kurt Kelty, stated, "At GM, we know that the application should determine the battery, and for grid-scale stationary storage, sodium-ion is the right solution." This partnership could help reduce costs and improve reliability for utilities and data centers, supporting the broader transition to renewable energy. What this means for buyers. For utilities and data center operators, the GM and Peak Energy partnership signals the arrival of new, potentially lower-cost options for large-scale energy storage. Buyers should monitor the rollout of these sodium-ion systems, especially if cost and reliability are top priorities. While sodium-ion batteries are not expected to appear in GM's electric vehicles due to lower energy density, their use in stationary storage could free up lithium resources for applications where higher energy density is essential. Key specs. * Battery Chemistry: Sodium-ion * Cooling System: Passive (no active cooling required) * Cost Reduction vs. Conventional: 20% lower (claimed by Peak Energy) * Uptime: More than 99% (claimed by Peak Energy) * Annual Energy Waste Reduction: Up to 2 TWh (~2,000 GWh) in the US (estimated) * Series B Funding Raised: $108M (~AUD 153.9M) * Customer Orders: Over $1B (~AUD 1.4B) Sharing is caring. Hussain A. EV news writer and editorial/video team lead at The Electric Viking. Researches EV-only stories, publishes news articles, and edits the YouTube videos behind the channel's daily coverage. Viking merchandise. T-shirts, mugs, hoodies, bags Never miss an update!!! Want expert advice on electric vehicles, battery tech, solar energy, or the future of emerging technologies? You can now book a 1-on-1 consultation with Sam Evans - The Electric Viking.

Tech in Asia
Oct 22nd, 2026
GM leads $108m funding round for battery startup Peak Energy.

GM leads $108m funding round for battery startup Peak Energy. US automaker General Motors led a US$108 million series B funding round for Peak Energy, a US sodium-ion battery startup, to expand manufacturing in California. Peak also announced plans to build what it described as the US' first sodium-ion battery gigafactory in the US, in Sacramento. The investment follows a partnership announced in June, when GM and Peak agreed to scale supplies of sodium-ion batteries for grid-scale and other stationary storage. The deal also extends GM's push to expand beyond electric vehicles into energy solutions. BloombergNEF forecast sodium-ion battery demand would rise from just over 1 gigawatt-hour in 2025 to 257 gigawatt-hours by 2035. The research firm said the technology could account for almost 10% of stationary storage by then. However, the sodium-ion battery remains at an early stage, and the cells are still more expensive than lithium-ion alternatives. China also accounts for most installed and announced sodium-ion manufacturing capacity through 2030, according to the International Energy Agency (IEA). Stay updated on the go with our mobile app. Get latest insights with smoother, more personalized experience through TIA mobile app. How would you feel if you could no longer use Tech in Asia? Share, tag us, and land on our Wall of!

VentureBurn
Oct 21st, 2026
Peak Energy raises $108 million to scale sodium-ion storage.

Peak Energy raises $108 million to scale sodium-ion storage. 22 October 2026 Key Takeaways * Peak Energy has raised $108 million in Series B funding led by General Motors Ventures. * The company will expand domestic manufacturing and enter the data centre energy storage market. * Its passive cooling technology promises up to 20% lower energy costs, with production planned for 2027. Peak Energy raises $108 million in Series B funding. Peak Energy, a semiconductor company, has raised $108 million in an oversubscribed Series B. The round was led by General Motors Ventures, with additional participation from Maverick Silicon, Infinite Capital, Eclipse, Xora Innovation and LG Technology Ventures. The Sacramento-based company develops sodium-ion energy storage systems for grid-scale applications. The new capital will support domestic manufacturing expansion and entry into the data centre market. Peak Energy also plans to fulfil more than $1 billion in existing customer orders. The company was formed in 2023 to provide more affordable and safer large-scale energy storage. It utilises a sodium-ion battery-based technology with an innovative passive cooling system to cut costs without the need for traditional active cooling technology. This investment comes on the back of increased demand for electricity infrastructure. Data centres, for example, consume significant amounts of power in servicing AI applications. Storage solutions can ease grid constraints and bolster electricity grid reliability. Passive cooling targets lower storage costs. Peak Energy's system is designed to reduce the costs associated with operating and maintaining conventional energy storage installations. Its passive cooling architecture removes the need for energy-intensive cooling systems. The company says this design can lower energy costs by up to 20%. Safety remains another central part of the company's approach. Peak Energy says its design eliminates leading causes of battery fires. These features could make its systems attractive to communities near large storage installations. Sodium-ion technology also offers an alternative to lithium-ion batteries. Sodium is an abundant material that could support domestic supply chains. Peak Energy is developing its platform for utility-scale storage rather than consumer electronics. Sacramento factory supports domestic manufacturing. Peak Energy is developing a Sacramento factory designed to deliver four gigawatt-hours of annual manufacturing capacity, with production scheduled for early 2027. Source: Created by Ventureburn. Peak Energy is expanding its manufacturing operations through a new facility in Sacramento, California. The factory is designed to provide four gigawatt-hours of annual manufacturing capacity. Production is scheduled to begin in the first quarter of 2027. The facility will help the company increase output as customer demand grows. Peak Energy has secured commercial agreements with Jupiter Power, RWE and Energy Vault. Its existing commitments exceed $1 billion, according to the company. In June 2026, Peak Energy announced a strategic partnership with General Motors. The companies plan to develop next-generation sodium-ion battery cells for energy storage. GM will contribute its experience in domestic battery manufacturing and industrialisation. Data centre expansion creates new growth opportunities. Peak Energy plans to use its latest financing to enter the data centre market. Artificial intelligence growth has increased pressure on electricity infrastructure. Operators require reliable power solutions that enable growth without incurring the high costs. Energy storage to ease the stress on power systems and meet peak demand Peak Energy says its passive cooling system can bring a "competitive edge" to facilities with space, water and safety concerns. Execution will depend on manufacturing progress and successful commercial deployment. General Motors Ventures sees potential in the company's approach. Its president, Kevin McCabe, highlighted the technology's potential as a cost-effective solution using abundant, domestically sourced materials. The planned 2027 production launch will be an important milestone for the company. To stay updated on crypto venture capital funding and market trends, visit its venture capital news section for more insights. Clinton Nwachukwu is a crypto and finance writer with an MBA in Artificial Intelligence and 6+ years of experience creating content for leading global brands. He turns complex topics into clear, actionable insights for readers worldwide. Disclaimer VentureBurn is a media platform covering the latest in cryptocurrency, artificial intelligence, venture capital, and the startup ecosystem. Opinions expressed on VentureBurn are for informational purposes only and do not constitute investment advice. Before making any high-risk investments in digital assets or emerging technologies, readers should conduct their own due diligence. All transactions and financial decisions are made at your own risk, and any losses incurred are solely your responsibility. VentureBurn does not endorse or recommend the buying or selling of any digital assets and is not a licensed investment advisor. Please note that VentureBurn may participate in affiliate marketing programs.

PR Newswire
Oct 21st, 2026
Peak Energy raises $108 million in new Capital; announces oversubscribed Series B to scale next-generation energy infrastructure.

Peak Energy raises $108 million in new Capital; announces oversubscribed Series B to scale next-generation energy infrastructure. Oct 21, 2026, 08:00 ET Funding supports Peak as it scales domestic manufacturing and expands its passively cooled sodium-ion platform into data center power infrastructure BURLINGAME, Calif., Oct. 21, 2026 /PRNewswire/ - Peak Energy, the leading developer of passively cooled sodium-ion energy storage systems for the grid, today announced the closing of its oversubscribed Series B financing round led by General Motors Ventures with participation from Maverick Silicon, Infinite Capital, Eclipse, Xora Innovation, and LG Technology Ventures. The new $108 million in financing positions Peak to scale domestic manufacturing, fulfill over $1 billion in existing customer orders, and launch its product to the data center market where access to power has become the primary constraint on growth. "Peak's mission from day one has been to lower the cost of energy through safer, simpler, cleaner, and more reliable technology," said Landon Mossburg, co-Founder and Chief Executive Officer of Peak Energy. "The investment we announce today will supercharge Peak's ability to scale and deliver as the world increasingly turns to passively cooled sodium-ion storage to solve our energy needs." In just three years, Peak Energy has taken sodium-ion from a promising concept to a global category now widely recognized as the leading alternative to lithium-ion for grid-scale applications. With more than $1 billion in customer commitments and growing demand from utilities, power producers, and data centers, the company continues to strengthen its market leadership. The financing follows a period of significant progress for Peak. In June, the company announced a partnership with General Motors to jointly develop next generation sodium-ion battery cells for the storage market, leverage GM's U.S.-based battery cell industrialization expertise to support Peak, and in July unveiled its 4 GWh factory in Sacramento, CA, which will start production in Q1 2027. "GM Ventures is investing to help Peak Energy continue to scale this innovative technology because we believe it has significant potential in the energy storage market as a safe, cost-effective solution using abundant, domestically sourced materials," said Kevin McCabe, president of GM Ventures. Peak's flagship passively cooled energy storage system is engineered to address the components that make energy storage expensive to operate and maintain. With a fundamentally simpler architecture, Peak can reduce the cost of energy by up to 20% compared with conventional storage systems. By eliminating wasteful cooling systems, reducing energy waste, and requiring zero planned maintenance, Peak systems deliver longer operating life and lower lifetime ownership costs - enabling a lower-cost and more reliable alternative to conventional energy storage technology. "We spent a lot of time looking at the growing power requirements around AI infrastructure, and it became clear that energy storage is going to be an increasingly important part of the solution. Peak is taking a differentiated approach to sodium-ion, with a focus on the full system from chemistry and design through manufacturing and deployment at scale," said Kenneth Safar, Managing Director at Maverick Silicon. "The combination of strong technical progress, growing customer engagement and a large end market gives Peak an opportunity to build a defining platform in energy storage. We're excited to support the team as they scale." Peak's system emits virtually no noise, consumes zero water, and eliminates the leading causes of battery fires, providing a safer and more community-friendly alternative for energy storage. As AI-driven demand accelerates, data center operators need storage solutions that are not only better for the community but also deliver more usable power. The result is a solution that addresses community and ratepayer concerns around affordability and safety while improving reliability and energy efficiency for data center operators. ABOUT PEAK ENERGY: Founded in 2023, Peak Energy is delivering low-cost, giga-scale energy storage purpose-built to meet today's grid challenges. Built by veterans from Tesla, Enovix, and Fluence, the company's proprietary passive cooling platform makes grid-scale storage safer, simpler, and more affordable. The company has secured over $1 billion in commercial agreements, including deals with Jupiter Power, RWE, and Energy Vault, and in June 2026 announced a strategic partnership with General Motors, backed by a GM Ventures investment, to develop next-generation storage cells purpose-built for the grid. Peak is scaling domestic production through a new 4GWh manufacturing facility in Sacramento, California. For more information, visit www.peakenergy.com. SOURCE Peak Energy Technologies

Bloomberg Law
Oct 21st, 2026
GM leads $108M Series B round for sodium-ion battery startup Peak Energy

General Motors led a $108 million Series B funding round for Peak Energy, a startup making sodium-ion batteries. The money will help expand manufacturing at Peak's California plant. Peak says its technology tolerates higher operating temperatures than lithium-ion cells. It claims this brings cost and safety advantages for data centres, grids, and independent power producers. The company is expanding as demand for sodium-ion batteries is forecast to grow from just over 1 gigawatt-hour in 2025 to 257 gigawatt-hours by 2035.

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