# King Energy funding: rounds and investors

> King Energy has raised $10M across 2 rounds since 2024. Investors include Mangrove Capital Partners, Blackhorn Ventures and Next Frontier Capital.

Source: https://millionrounds.com/company/king-energy (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *King Energy*

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech

Raised 11 months ago

Funding summary Updated 26 Oct 2026

**$10M** raised across 2 rounds since 2024, from 2 sources

- **Latest round:** Venture Dec 2025
- **Biggest round:** $10M Seed · Oct 2024
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025

**$10M** Seed

**?** Venture

- **First round:** Seed, $10M
- **Biggest round:** $10M
- **Between rounds:** 14 months

## The rounds

- **Dec 2025** Venture **Amount undisclosed** *3 returning* [Mangrove Capital Partners](https://millionrounds.com/fund/mangrove-capital-partners) [Blackhorn Ventures](https://millionrounds.com/fund/blackhorn-ventures) [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) Source recorded
- **Oct 2024** Seed **$10M** *3 new* [Mangrove Capital Partners](https://millionrounds.com/fund/mangrove-capital-partners) [Blackhorn Ventures](https://millionrounds.com/fund/blackhorn-ventures) [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) Source recorded

## Founders and team

From King Energy's own website: 2 founders, 5 on the team.

**John Witchel** CEO & Co-Founder

**Brian Clausen** Chief Revenue Officer & Co-Founder

- **Michelle Tomas** Chief Accounting Officer
- **Mike Kepe** Chief Technology Officer
- **Mike Pundmann** Chief Financial Officer
- **Rob Porter** Chief Commercial Officer
- **Meghan Scully** General Counsel

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2024 **Venture** 2025 [Mangrove Capital Partners](https://millionrounds.com/fund/mangrove-capital-partners) [Blackhorn Ventures](https://millionrounds.com/fund/blackhorn-ventures) [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital)

## Everyone who backed them

[Mangrove Capital Partners](https://millionrounds.com/fund/mangrove-capital-partners) VC firm **2** rounds

[Blackhorn Ventures](https://millionrounds.com/fund/blackhorn-ventures) VC firm **2** rounds

[Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) VC firm **2** rounds

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=king-energy).

## Quick answers about King Energy

### Who invested in King Energy?

King Energy's investors include Mangrove Capital Partners, Blackhorn Ventures and Next Frontier Capital.

### How much has King Energy raised?

King Energy has raised $10M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did King Energy last raise?

King Energy's most recent round was a Venture in Dec 2025.

### What was King Energy's biggest round?

King Energy's largest round on record is $10M (Seed), in Oct 2024.

### Who backed King Energy first?

King Energy's first round on record, in Oct 2024, was backed by Mangrove Capital Partners, Blackhorn Ventures and Next Frontier Capital.

### What stage is King Energy at?

King Energy's latest named round is a Venture, in Dec 2025.

### Where is King Energy based?

King Energy is based in the United States.

## Companies like King Energy

In the same sector, and raised in the last eighteen months.

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)

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