Base Power home battery expansion

In early August 2026, Texas‑based Base Power secured a $1 billion Series D financing round, raising its post‑money valuation to $13 billion and bringing total capital raised to over $2.5 billion. The funding enabled the company to begin shipping its first U.S.-made home‑battery system, the Base Core, in 39.2 kWh and 78.4 kWh configurations. The lithium‑iron‑phosphate battery can power a typical home for up to 36 hours, switches to battery power within 50 milliseconds, operates in extreme temperatures, and is sold as a service with a modest installation fee and monthly membership. It is integrated into Base’s virtual power plant to support the grid during demand spikes.

Two days later, Base Power reiterated the financing details and highlighted its ambition to place the Core system in every U.S. backyard and eventually expand to markets such as the United Kingdom, Germany and Australia. The company announced a second manufacturing facility slated for completion in 2027, alongside its existing Austin plant that produces thousands of units each month. The Core battery’s rapid installation, grid‑support capabilities, and subscription model are positioned to lower residential energy costs while providing flexibility to utilities.