Total Raised

$52.54M

Investors Count

21

Deal Terms

3

Funding, Valuation & Revenue

11 Fundings

ESS Tech has raised $52.54M over 11 rounds.

ESS Tech's latest funding round was a Corporate Minority - P2P for on September 25, 2023.

ESS Tech's valuation in October 2021 was $1,072M.

ESS Tech's 2021 revenue was $686K. ESS Tech's most recent revenue is from 2021.

Sign up for a free demo to see revenue data from 2023, 2021 and more.

Date

Round

Amount

Investors

Valuation
Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model.

Revenue

Sources

9/25/2023

Corporate Minority - P2P

$XXM

$X.XXB

((X.XXx))

FY XXXX

3

10/11/2021

Reverse Merger

$1,072M

$X.XXB

((X.XXx))

FY XXXX

5

10/11/2021

PIPE

$308M

BASF Venture Capital, Breakthrough Energy, Fidelity Investments, Koch Engineered Solutions, SB Energy, Tortoise Capital Advisors, and Undisclosed Investors

$XXM

$686K

FY 2021

6

10/28/2019

Series C

$XXM

$XXM

0

FY undefined

10

12/12/2017

Series B

$XXM

$XXM

0

FY undefined

10

Date

9/25/2023

10/11/2021

10/11/2021

10/28/2019

12/12/2017

Round

Corporate Minority - P2P

Reverse Merger

PIPE

Series C

Series B

Amount

$308M

$XXM

$XXM

Investors

BASF Venture Capital, Breakthrough Energy, Fidelity Investments, Koch Engineered Solutions, SB Energy, Tortoise Capital Advisors, and Undisclosed Investors

Valuation

$XXM

$1,072M

$XXM

$XXM

$XXM

Revenue

$X.XXB

((X.XXx))

FY XXXX

$X.XXB

((X.XXx))

FY XXXX

$686K

FY 2021

0

FY undefined

0

FY undefined

Sources

3

5

6

10

10

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ESS Tech Deal Terms

3 Deal Terms

ESS Tech's deal structure is available for 3 funding rounds, including their Reverse Merger from October 11, 2021.

Round

Reverse Merger

Series B

Series A

Funding Date

$XXM

$XXM

$XXM

Pre-Money Valuation

Post-Money Valuation

$XXM

Amount Raised

$XXM

$XXM

Shares Authorized

Issuance Price

Dividend Rate

Liquidation Preferences

Liquidation Price

Participation

Conversion Price

Anti Dilution

General Voting

$XXM

$XXM

$XXM

Board Voting

$XXM

$XXM

$XXM

Par Value

Round

Funding Date

Pre-Money Valuation

Post-Money Valuation

Amount Raised

Shares Authorized

Issuance Price

Dividend Rate

Liquidation Preferences

Liquidation Price

Participation

Conversion Price

Anti Dilution

General Voting

Board Voting

Par Value

Reverse Merger

$XXM

$XXM

$XXM

$XXM

Series B

$XXM

$XXM

$XXM

$XXM

Series A

$XXM

$XXM

$XXM

$XXM

ESS Tech Investors

21 Investors

ESS Tech has 21 investors. Honeywell invested in ESS Tech's Corporate Minority - P2P funding round.

First funding

Last Funding

Investor

Rounds

Board Seats

Type

Location

9/25/2023

9/25/2023

1
Corporate Minority - P2P

Corporation

North Carolina

10/28/2019

10/11/2021

2
Series C, PIPE (2021)

Corporation

Japan

10/28/2019

10/11/2021

2
Series C, PIPE (2021)

Corporate Venture

Germany

00/00/0000

00/00/0000

Breakthrough Energy

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Corporation

Washington

00/00/0000

00/00/0000

Tortoise Capital Advisors

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Asset/Investment Management

Kansas

First funding

9/25/2023

10/28/2019

10/28/2019

00/00/0000

00/00/0000

Last Funding

9/25/2023

10/11/2021

10/11/2021

00/00/0000

00/00/0000

Investor

Breakthrough Energy

Tortoise Capital Advisors

Rounds

1
Corporate Minority - P2P
2
Series C, PIPE (2021)
2
Series C, PIPE (2021)

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Board Seats

Type

Corporation

Corporation

Corporate Venture

Corporation

Asset/Investment Management

Location

North Carolina

Japan

Germany

Washington

Kansas

ESS Tech Acquisitions

1 Acquisition

ESS Tech acquired 1 company. Their latest acquisition was VoltStorage on February 18, 2026.

Date

Investment Stage

Companies

Valuation
Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model.

Total Funding

Note

Sources

2/18/2026

Debt

$XXM

$65.49M

Asset Sale

3

Date

2/18/2026

Investment Stage

Debt

Companies

Valuation

$XXM

Total Funding

$65.49M

Note

Asset Sale

Sources

3

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