# Voltus funding: rounds and investors

> Voltus has raised $235M across 3 rounds since 2015. Investors include Generation Investment Management, ACTivate Capital and Vitol. Every round with its source.

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

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

# Who invested in *Voltus*

3 rounds we have observed, with the 10 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.

Energy

Raised 1 month ago

Funding summary Updated 26 Oct 2026

**$235M** raised across 3 rounds since 2015, from 3 sources

**$76K** Crowdfunding **$10M** Round **$225M** Series D

- **Latest round:** Series D, $225M Oct 2026
- **Led by:** Generation Investment Management and ACTivate Capital and 1 more
- **Step-up i:** 22.3×
- **Investors:** 10 (3 led)

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.

2015 2017 2019 2021 2023 2025

**$76K** Crowdfunding

**$10M** Round

**$225M** Series D

- **First round:** Crowdfunding, $76K
- **Biggest round:** $225M
- **Usual gap between rounds:** 8.9 years

## The rounds

- **Oct 2026** Series D **$225M** *8 new* [Generation Investment Management](https://millionrounds.com/fund/generation-investment-management) Lead [ACTivate Capital](https://millionrounds.com/fund/activate-capital-3) Lead [Vitol](https://millionrounds.com/fund/vitol) Lead [NGP](https://millionrounds.com/fund/ngp) [Climate Investment](https://millionrounds.com/fund/climate-investment-ci) [Ajax Strategies](https://millionrounds.com/fund/ajax-strategies) [Broadscale](https://millionrounds.com/fund/broadscale-group) [All Aboard Fund](https://millionrounds.com/fund/all-aboard-fund) Reported by NGP
- **Oct 2017** Round **$10M** *2 new* [Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) [Energy Innovation Capital](https://millionrounds.com/fund/energy-innovation-capital) Reported by FinSMEs SEC filing: $10M sold, first sale Oct 2017
- **Jun 2015** Crowdfunding **$76K** No investor was named in the report. From a historical funding record

## Founders and team

From Voltus's own website: 3 founders, 10 on the team.

**Dana Guernsey** Chief Executive Officer & Co-founder

**Matthew Plante** President & Co-founder

**Neil Lakin** Chief Architect & Co-founder

- **Ashley Johnson** Board member, COO & CFO at Planet
- **Jon Wellinghoff** Chief Regulatory Officer & former FERC Chairman
- **Kelly Yazdani** Chief Customer Officer
- **Larsh Johnson** Chief Technology Officer
- **Laurie Harrison** Chief Legal Officer
- **Michael Groeninger** Chief Financial Officer
- **Arielle Bertman** VP of Product & Design
- **Emily Orvis** VP of Energy Markets
- **Jess Gunter** VP of Marketing
- **Sam Scuilli** VP of Sales

## 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.

**Crowdfunding** 2015 **Round** 2017 **Series D** 2026 [Generation Investment Management](https://millionrounds.com/fund/generation-investment-management) L [ACTivate Capital](https://millionrounds.com/fund/activate-capital-3) L [Vitol](https://millionrounds.com/fund/vitol) L [Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) [NGP](https://millionrounds.com/fund/ngp) [Climate Investment](https://millionrounds.com/fund/climate-investment-ci) [Energy Innovation Capital](https://millionrounds.com/fund/energy-innovation-capital) [Ajax Strategies](https://millionrounds.com/fund/ajax-strategies) [Broadscale](https://millionrounds.com/fund/broadscale-group) [All Aboard Fund](https://millionrounds.com/fund/all-aboard-fund)

## Everyone who backed them

[Generation Investment Management](https://millionrounds.com/fund/generation-investment-management) Private equity **1** round, led 1

[ACTivate Capital](https://millionrounds.com/fund/activate-capital-3) VC firm **1** round, led 1

[Vitol](https://millionrounds.com/fund/vitol) Corporate VC **1** round, led 1

[Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) VC firm **1** round

[NGP](https://millionrounds.com/fund/ngp) Private equity **1** round

[Climate Investment](https://millionrounds.com/fund/climate-investment-ci) VC firm **1** round

[Energy Innovation Capital](https://millionrounds.com/fund/energy-innovation-capital) VC firm **1** round

[Ajax Strategies](https://millionrounds.com/fund/ajax-strategies) VC firm **1** round

[Broadscale](https://millionrounds.com/fund/broadscale-group) VC firm **1** round

[All Aboard Fund](https://millionrounds.com/fund/all-aboard-fund) VC firm **1** round

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

## Quick answers about Voltus

### Who invested in Voltus?

Voltus's investors include Generation Investment Management, ACTivate Capital, Vitol, Prelude Ventures and NGP, and 5 more on record. Generation Investment Management led its latest round.

### How much has Voltus raised?

Voltus has raised $235M across 3 rounds since 2015.

### When did Voltus last raise?

Voltus's most recent round was a Series D of $225M in Oct 2026, led by Generation Investment Management.

### What was Voltus's biggest round?

Its most recent round, $225M in Oct 2026, is also its largest on record.

### Who backed Voltus first?

Voltus's first round on record, in Oct 2017, was backed by Prelude Ventures and Energy Innovation Capital.

### What stage is Voltus at?

Voltus's latest named round is a Series D, in Oct 2026.

### Where is Voltus based?

Voltus is based in the United States.

### Who led Voltus's rounds?

Generation Investment Management led the Series D in 2026.

## Companies like Voltus

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)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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