# Base Power

> Residential backup batteries and retail electricity plans that aggregate into a virtual power plant across Texas and expanding U.S. markets.

## Why it is interesting

Base Power bundles large home batteries with low-cost energy service and uses the fleet as grid-flexibility capacity — a software-driven install factory that scaled to 20k+ customers and a $1B Series C in under two years after commercial launch.

## Profile

- **Stage:** growth
- **Status:** private
- **Industries:** climate-tech, infra-cloud
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series C (Oct 2025): $1B led by Addition; a16z, Thrive, Lightspeed, Altimeter, Ribbit, Spark among participants (Canary Media / NYT)
- Series B (Apr 2025): $200M co-led by Addition, a16z, Lightspeed, Valor Equity; Thrive, Altimeter continued (Business Wire)
- Series A (May 2024): $68M led by Thrive Capital (Tracxn)
- Product: 40–80 kWh home batteries with retail energy plans; 20k+ homeowners across Texas and Illinois (Base Power site, 2026)
- Co-investors not in VCT directory: Valor Equity Partners, Lowercarbon Capital

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/addition
- https://venturecapitaltracker.com/fund/thrive-capital
- https://venturecapitaltracker.com/fund/lightspeed-venture-partners-nyc
- https://venturecapitaltracker.com/fund/altimeter-capital
- https://venturecapitaltracker.com/fund/ribbit-capital
- https://venturecapitaltracker.com/fund/spark-capital

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/base-power