# Solaris Energy Infrastructure funding: rounds and investors

> Solaris Energy Infrastructure has raised $1.6B across 2 rounds since 2026. Investors include Goldman Sachs and Santander. Every round with its source.

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

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

# Who invested in *Solaris Energy Infrastructure*

2 rounds we have observed, with the 2 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.

Logistics

Raised 6 months ago

Funding summary Updated 26 Oct 2026

**$1.6B** raised across 2 rounds since 2026, from 2 sources

**$300M** Debt **$1.3B** Debt

- **Latest round:** Debt, $1.3B May 2026
- **Step-up i:** 4.3×
- **Investors:** 2

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.

2027

**$300M** Debt

**$1.3B** Debt

- **First round:** Debt, $300M
- **Biggest round:** $1.3B
- **Between rounds:** 2 months

## The rounds

- **May 2026** Debt **$1.3B** *2 returning* [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Santander](https://millionrounds.com/fund/santander) Source recorded
- **Mar 2026** Debt **$300M** *2 new* [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Santander](https://millionrounds.com/fund/santander) Source recorded

## Founders and team

From Solaris Energy Infrastructure's own website: 1 founder, 5 on the team.

**William Zartler** Founder, Chairman, & Co-CEO

- **Brendan Gilbert** Executive Vice President, Power Solutions Operations
- **Amanda Brock** Co-CEO
- **Cindy Durrett** Chief Administrative Officer & Director
- **Kyle Ramachandran** Chief Financial Officer
- **Stephan Tompsett** Chief Financial Officer

## 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.

**Debt** 2026 **Debt** 2026 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) [Santander](https://millionrounds.com/fund/santander)

## Everyone who backed them

[Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) Private equity **2** rounds

[Santander](https://millionrounds.com/fund/santander) VC firm **2** rounds

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

## Quick answers about Solaris Energy Infrastructure

### Who invested in Solaris Energy Infrastructure?

Solaris Energy Infrastructure's investors include Goldman Sachs and Santander.

### How much has Solaris Energy Infrastructure raised?

Solaris Energy Infrastructure has raised $1.6B across 2 rounds since 2026.

### When did Solaris Energy Infrastructure last raise?

Solaris Energy Infrastructure's most recent round was a Debt of $1.3B in May 2026.

### What was Solaris Energy Infrastructure's biggest round?

Its most recent round, $1.3B in May 2026, is also its largest on record.

### Who backed Solaris Energy Infrastructure first?

Solaris Energy Infrastructure's first round on record, in Mar 2026, was backed by Goldman Sachs and Santander.

### What stage is Solaris Energy Infrastructure at?

Solaris Energy Infrastructure's latest named round is a Debt, in May 2026.

### Where is Solaris Energy Infrastructure based?

Solaris Energy Infrastructure is based in the United States.

## Companies like Solaris Energy Infrastructure

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DashFuel** Oct 2026](https://millionrounds.com/company/dashfuel)[**Truck Parking Club** Oct 2026](https://millionrounds.com/company/truck-parking-club)[**Applied Intuition** $640M · Oct 2026](https://millionrounds.com/company/applied-intuition)[**Stord** $782M · Oct 2026](https://millionrounds.com/company/stord)

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