United States · Venture startup

Who invested in Tenaska

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.

Funding summaryUpdated 31 Oct 2026

$550Mraised across 1 round since 2003, from 1 source

Latest round
Venture, $550MApr 2003
Investors
1
See who backed them

The rounds

  1. Apr 2003
    Venture$550M

    From a historical funding record

Everyone who backed them

Bain CapitalPrivate equity1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Tenaska 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.

Clean Energy VenturesVC firmPer its own site

Quick answers about Tenaska

Who invested in Tenaska?

Tenaska's investors include Bain Capital.

How much has Tenaska raised?

Tenaska has raised $550M across 1 round since 2003.

When did Tenaska last raise?

Tenaska's most recent round was a Venture of $550M in Apr 2003.

What was Tenaska's biggest round?

Its most recent round, $550M in Apr 2003, is also its largest on record.

Who backed Tenaska first?

Tenaska's first round on record, in Apr 2003, was backed by Bain Capital.

What stage is Tenaska at?

Tenaska's latest named round is a Venture, in Apr 2003.

Where is Tenaska based?

Tenaska is based in the United States.

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