# Littoral Power Systems funding: rounds and investors

> Littoral Power Systems has raised $4.0M across 1 round since 2022. Investors include US Department of Energy, Cleantech Open and Massachusetts Clean Energy...

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

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

# Who invested in *Littoral Power Systems*

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

Cleantech

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Grant, $4.0M Jan 2022
- **Investors:** 3

See who backed them

## The rounds

- **Jan 2022** Grant **$4.0M** [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) Source recorded

## Founders and team

From Littoral Power Systems's own website: 3 on the team.

- **David Duquette** CEO
- **C. Eben Franks** Director Of Prototyping
- **Lisa Amaral** Office Manager

## Everyone who backed them

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

[Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round

[Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) VC firm **1** round

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

## Quick answers about Littoral Power Systems

### Who invested in Littoral Power Systems?

Littoral Power Systems's investors include US Department of Energy, Cleantech Open and Massachusetts Clean Energy Center.

### How much has Littoral Power Systems raised?

Littoral Power Systems has raised $4.0M across 1 round since 2022.

### When did Littoral Power Systems last raise?

Littoral Power Systems's most recent round was a Grant of $4.0M in Jan 2022.

### What was Littoral Power Systems's biggest round?

Its most recent round, $4.0M in Jan 2022, is also its largest on record.

### Who backed Littoral Power Systems first?

Littoral Power Systems's first round on record, in Jan 2022, was backed by US Department of Energy, Cleantech Open and Massachusetts Clean Energy Center.

### What stage is Littoral Power Systems at?

Littoral Power Systems's latest named round is a Grant, in Jan 2022.

### Where is Littoral Power Systems based?

Littoral Power Systems is based in the United States.

## Companies like Littoral Power Systems

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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