Who invested in Tessolar?
Tessolar's investors include Cleantech Open and Massachusetts Clean Energy Center.

Funding summaryUpdated 26 Oct 2026
$1.3Mraised across 1 round since 2018, from 1 source
Source recordedSEC filing: $1.3M sold, first sale Sept 2018
Tessolar's investors include Cleantech Open and Massachusetts Clean Energy Center.
Tessolar has raised $1.3M across 1 round since 2018.
Tessolar's most recent round was a Venture of $1.3M in Sept 2018.
Its most recent round, $1.3M in Sept 2018, is also its largest on record.
Tessolar's first round on record, in Sept 2018, was backed by Cleantech Open and Massachusetts Clean Energy Center.
Tessolar's latest named round is a Venture, in Sept 2018.
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