# Tessolar funding: rounds and investors

> Tessolar has raised $1.3M across 1 round since 2018. Investors include Cleantech Open and Massachusetts Clean Energy Center. Every round with its source.

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

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

# Who invested in *Tessolar*

One round we have observed, with the 2 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.

Manufacturing

Funding summary Updated 26 Oct 2026

**$1.3M** raised across 1 round since 2018, from 1 source

- **Latest round:** Venture, $1.3M Sept 2018
- **Investors:** 2

See who backed them

## The rounds

- **Sept 2018** Venture **$1.3M** [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) Source recorded SEC filing: $1.3M sold, first sale Sept 2018

## Everyone who backed them

[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=tessolar).

## Quick answers about Tessolar

### Who invested in Tessolar?

Tessolar's investors include Cleantech Open and Massachusetts Clean Energy Center.

### How much has Tessolar raised?

Tessolar has raised $1.3M across 1 round since 2018.

### When did Tessolar last raise?

Tessolar's most recent round was a Venture of $1.3M in Sept 2018.

### What was Tessolar's biggest round?

Its most recent round, $1.3M in Sept 2018, is also its largest on record.

### Who backed Tessolar first?

Tessolar's first round on record, in Sept 2018, was backed by Cleantech Open and Massachusetts Clean Energy Center.

### What stage is Tessolar at?

Tessolar's latest named round is a Venture, in Sept 2018.

## Companies like Tessolar

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

[**Dessn** $6.0M · May 2026](https://millionrounds.com/company/dessn)[**Ciridae** $20M · May 2026](https://millionrounds.com/company/ciridae)[**C-Infinity** $16M · Apr 2026](https://millionrounds.com/company/c-infinity)[**SmartSolar** $1.3M · Mar 2026](https://millionrounds.com/company/smartsolar)[**Onodrim Industries** $47M · Feb 2026](https://millionrounds.com/company/onodrim-industries)[**Hanyang Technology** Feb 2026](https://millionrounds.com/company/hanyang-technology)

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