Who invested in Promethean Power Systems?
Promethean Power Systems's investors include Invested Development, First Light Ventures and USAID.

United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$1.1Mraised across 2 rounds since 2010, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
From a historical funding recordSEC filing: $364K sold, first sale Mar 2010
From Promethean Power Systems's own website and the SEC filings it signed: 12 on the team.
On the board, as filediDavid Anthony
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Promethean Power Systems's investors include Invested Development, First Light Ventures and USAID.
Promethean Power Systems has raised $1.1M across 2 rounds since 2010.
Promethean Power Systems's most recent round was a Grant of $1.0M in Dec 2013.
Its most recent round, $1.0M in Dec 2013, is also its largest on record.
Promethean Power Systems's first round on record, in Mar 2010, was backed by Invested Development and First Light Ventures.
Promethean Power Systems's latest named round is a Grant, in Dec 2013.
Promethean Power Systems is based in the United States.
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