Ambrosia Energy will build a 10 GWh factory in Texas to make batteries for off-grid data centers

The cost of energy for off-grid data centers may fall by over 60% if Ambrosia's $100/MWh target is met.

Ambrosia Energy is constructing a 10 gigawatt-hour (GWh) battery factory near Austin, Texas, as announced by CEO Ben Longmier at TechCrunch Disrupt. The facility, spanning 150,000 square feet, is projected to reach full production within two to three years and will enable the company to build approximately 300 megawatts (MW) of power plants annually. Ambrosia, which emerged from stealth in June with a goal of providing off-grid data center power at $100 per megawatt-hour, combines solar power with batteries for round-the-clock operations. The company is also commencing its first commercial power plant in West Texas, featuring 300 MW of solar and 660 megawatt-hours (MWh) of batteries to deliver 30 MW of continuous power. Ambrosia's approach simplifies components and manufactures battery packs in-house, achieving a lower cost compared to competitors.

Ambrosia Energy's substantial investment in a 10 GWh battery factory signifies a significant move towards vertical integration and cost reduction in the energy storage sector, particularly for hyperscale data centers. By manufacturing battery packs in-house with significantly fewer components than competitors, Ambrosia aims to achieve cost efficiencies that could make its solar-plus-battery solutions competitive with traditional natural gas turbines. This strategy addresses the growing demand for reliable, cost-effective, and potentially carbon-neutral power sources for the booming data center industry, which faces increasing pressure to reduce its environmental footprint and operational costs.

The startup's focus on off-grid power plants, promising 99.3% uptime at a target cost of $100 per megawatt-hour, represents a potential paradigm shift in how data centers are powered. If successful, Ambrosia could challenge existing utility-scale power purchase agreements and onsite generation models, offering hyperscalers greater energy independence and cost predictability. The market will be watching closely to see if Ambrosia can scale its operations and maintain its cost targets while proving the long-term reliability of its simplified battery pack design in commercial deployments.