# Cleantech Solar funding: rounds and investors

> Cleantech Solar has raised $140M across 1 round since 2025. Investors include ING Group. Every round with its source.

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

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

# Who invested in *Cleantech Solar*

One round we have observed, with the one investor 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.

Energy

Funding summary Updated 26 Oct 2026

**$140M** raised across 1 round since 2025, from 1 source

- **Latest round:** Debt, $140M Jul 2025
- **Investors:** 1

See who backed them

## The rounds

- **Jul 2025** Debt **$140M** [ING Group](https://millionrounds.com/fund/ing-group) Source recorded

## Founders and team

From Cleantech Solar's own website: 3 on the team.

- **Brian Tan** Senior Vice President & Group CFO
- **Sanjay Gupta** Chief Executive Officer
- **Suchita Saigal** Vice President & General Counsel

## Everyone who backed them

[ING Group](https://millionrounds.com/fund/ing-group) Growth equity **1** round

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

## Also claim to have backed them

This firm lists Cleantech Solar as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Keppel Asia Infrastructure Fund](https://millionrounds.com/fund/keppel-asia-infrastructure-fund) Private equity Per its own site

## Quick answers about Cleantech Solar

### Who invested in Cleantech Solar?

Cleantech Solar's investors include ING Group.

### How much has Cleantech Solar raised?

Cleantech Solar has raised $140M across 1 round since 2025.

### When did Cleantech Solar last raise?

Cleantech Solar's most recent round was a Debt of $140M in Jul 2025.

### What was Cleantech Solar's biggest round?

Its most recent round, $140M in Jul 2025, is also its largest on record.

### Who backed Cleantech Solar first?

Cleantech Solar's first round on record, in Jul 2025, was backed by ING Group.

### What stage is Cleantech Solar at?

Cleantech Solar's latest named round is a Debt, in Jul 2025.

### Where is Cleantech Solar based?

Cleantech Solar is based in Singapore.

## Companies like Cleantech Solar

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

[**NEU Battery Materials** $11M · Oct 2026](https://millionrounds.com/company/neu-battery-materials)[**I-Pulse** $365M · Jul 2026](https://millionrounds.com/company/i-pulse)[**Amperesand** $110M · Jun 2026](https://millionrounds.com/company/amperesand)[**Vena Energy** $1.5B · Jun 2026](https://millionrounds.com/company/vena-energy)[**Charge+** $14M · Apr 2026](https://millionrounds.com/company/charge)[**Muun AI** $700K · Apr 2026](https://millionrounds.com/company/muun-ai)

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