Funding round
Base Power Series B
Base Power, which works in home backup power system installation in Austin, raised $200M in a Series B round announced on 9 Apr 2025, led by Addition, Andreessen Horowitz, Lightspeed Venture Partners and Valor. 8 firms took part, 4 of them already investors. It is Base Power's first venture round on record.
$200M
Amount raised
Not disclosed
Post-money valuation
8
Investors
4 leads
Valuation
What this round says about the price
Base Power did not disclose a valuation in this round. It is Base Power's first venture round on record, 2 years after it was founded in 2023. It is 9.1% of the $2.20B Base Power has raised in the venture rounds on record. Base Power raised again 6 months later: a Series C round of $1.00B in Oct 2025. Its next priced round, a Series D in Aug 2026, valued it at $13.00B.
Base Power's funding rounds
Base Power has 3 venture rounds on record. This one is highlighted.
Investors
Who put money in
Addition, Andreessen Horowitz, Lightspeed Venture Partners and Valor led the round with 4 other firms. Thrive Capital, Altimeter, Terrain and Trust Ventures had backed Base Power before.
Lead investors
- Addition new investor
- Andreessen Horowitz backs 722 venture-backed companies new investor
- Lightspeed Venture Partners backs 454 venture-backed companies new investor
- Valor backs 143 venture-backed companies new investor
Also in the round
- Thrive Capital backs 130 venture-backed companies existing investor
- Altimeter backs 67 venture-backed companies existing investor
- backs 4 venture-backed companies existing investor
- backs 17 venture-backed companies existing investor
Joined the board: Lee Fixel (Addition) and Antonio Gracias (Valor Equity Partners).
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, geographic expansion, sales and marketing, scaling operations and working capital.
- Hiring
- Product development
- Geographic expansion
- Sales and marketing
- Scaling operations
- Working capital
Comparable rounds
How it compares
The closest in time: Series B rounds in any sector within 6 months:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Solar Energy Company | 9 Apr 2025 | $200M | not disclosed | Addition and Andreessen Horowitz |
| Scrap Metals | 24 Apr 2025 | $186M | not disclosed | Capricorn Investment Group and Temasek |
| Biotechnology | 1 Apr 2025 | $155M | not disclosed | Venrock and Forbion |
| Aircraft Parts & Services | 21 Apr 2025 | $115M | not disclosed | Prysm Capital |
| Aerospace and Defence | 23 Apr 2025 | $100M | not disclosed | General Innovation Capital Partners |
| Tech Companies | 16 Apr 2025 | $100M | $500M | Altimeter |
| Tech Companies | 23 Apr 2025 | $93M | not disclosed | DFJ Growth |
| Software Development Services | 23 Apr 2025 | $92M | not disclosed | C.H.Beck |
Sources
Where this comes from
Reported by 7 sources.
Questions
Frequently asked
How much did Base Power raise in its Series B round?
Base Power raised $200M in its Series B round, announced in Apr 2025.
Who led Base Power's Series B round?
Addition, Andreessen Horowitz, Lightspeed Venture Partners and Valor led it, with Thrive Capital, Altimeter, Terrain and Trust Ventures.
What was Base Power's valuation at the Series B round?
It was not disclosed.
Did Base Power raise again after this round?
Yes: a Series C round in Oct 2025 of $1.00B.