# Base Power raises $1.0B Series D led by Valor Equity Partners

> Base Power, based in United States, has raised $1.0B in a Series D led by Valor Equity Partners, Ribbit Capital and Addition, announced on 3 August 2026.

Source: https://millionrounds.com/news/rounds/base-power-series-d-2026-08 (Millionrounds; every figure on the page links to its filing or article)

Raised **$1.0B** 2 sources reported it

Stage **Series D** 2 earlier rounds on record

Investors **15** 4 named as lead

Where **US** United States

Energy

## How big is it?

Against every equity round we recorded in the twelve months to 3 August 2026. Ranks count companies, so the same raise reported twice is counted once.

**#42** equity round of the last twelve months

**#7** Series D of 70 in that time

**#25** round in United States, of 1,080

This round **$1.0B**

Median Series D **$160M**

6.3 times the median Series D of the last twelve months.

## Who invested

- [**Valor Equity Partners** 64 rounds in the last twelve months *Led*](https://millionrounds.com/fund/valor-equity-partners)
- [**Ribbit Capital** 34 rounds in the last twelve months *Led*](https://millionrounds.com/fund/ribbit-capital)
- [**Addition** 17 rounds in the last twelve months *Led*](https://millionrounds.com/fund/addition)
- [**JPMorgan Chase's Strategic Investment Group** 6 rounds in the last twelve months *Led*](https://millionrounds.com/fund/jpmorgan-chase-s-strategic-investment-group)

Also in the round

- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz)
- [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners)
- [Coatue](https://millionrounds.com/fund/coatue-management)
- [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners)
- [CapitalG](https://millionrounds.com/fund/capitalg)
- [Altimeter](https://millionrounds.com/fund/altimeter-capital)
- [Thrive Capital](https://millionrounds.com/fund/thrive-capital)
- [D1 Capital Partners](https://millionrounds.com/fund/d1-capital-partners)
- [Sands Capital Management](https://millionrounds.com/fund/sands-capital)
- [Layer Global](https://millionrounds.com/fund/layer-global)
- [Trust Ventures](https://millionrounds.com/fund/trust-ventures)

## Funding history

- August 2026 Series D **$1.0B**
- October 2025 Series C **$1.0B**
- April 2025 Series B **$200M**

$2.2B raised across the 3 rounds we hold.

## Reported by

- TechCrunch 3 August
- Ventureburn 3 August

The round's figures come from these reports; each link opens the original.

## Other big rounds that week

[**Firmus Technologies** $2.0B Growth](https://millionrounds.com/news/rounds/firmus-technologies-growth-round-2026-08)[**Lumilens** $700M Series C](https://millionrounds.com/news/rounds/lumilens-series-c-2026-08)[**Hadrian** $1.4B Growth](https://millionrounds.com/news/rounds/hadrian-growth-round-2026-08)[**Moove** $250M Series C](https://millionrounds.com/news/rounds/moove-series-c-2026-08)[**ICEYE** $1.2B Series F](https://millionrounds.com/news/rounds/iceye-series-f-2026-08)[**HappyRobot** $150M Series C](https://millionrounds.com/news/rounds/happyrobot-series-c-2026-08)

[The company **Base Power on Millionrounds** *→*](https://millionrounds.com/company/base-power)[Weekly roundup **Week of 3 August** *→*](https://millionrounds.com/news/weekly/2026-08-03)[Monthly roundup **August 2026** *→*](https://millionrounds.com/news/monthly/2026-08)

**How this article is made**

We write one for every equity round of $100M or more that at least two sources reported. It is put together from our record of rounds, not rewritten from the reports: the ranks and medians count every equity round we read in the twelve months to the round's date. [How we read rounds](https://millionrounds.com/methodology) · [Report a mistake](https://millionrounds.com/corrections)