FormerSpaceX

Base Power

Home battery systems that double as a distributed power plant.

Founded
2023
Headquarters
Austin, TX
Disclosed funding
$2.2B
Status
Operating
Sector
Energy
Latest round
Series D, $1B
Reported valuation
$13B
Website
basepowercompany.com

Overview

Base Power installs battery backup systems in homes and operates the fleet as a virtual power plant for the Texas grid. Co-founder Justin Lopas was a manufacturing engineer at SpaceX, and the company applies that high-volume hardware playbook to residential energy.

Impact

  • Among the largest energy-storage rounds ever raised by a residential company
  • Operates as a grid resource in the ERCOT market

Funding

At least: $200M Series B, $1B Series C (2025) and $1B Series D (2026). Reported valuation: $13B (2026).

Disclosed funding is the sum of publicly reported rounds found in the sources below. It is a floor, not a complete total.

Founders

Zach Dell, CEO & co-founder
Not a SpaceX alum
Justin Lopas, Co-founder
At SpaceX: Manufacturing engineer
batteriesgridhome energy

Sources

  1. Sourcery: Base Power hits $13B on $1B Series D
  2. Sourcery: Base Power raises $1B Series C
  3. Heatmap: Elon Musk's climate tech mafia

Last verified September 30, 2026.