United States · Venture startup
Funding summaryUpdated 26 Oct 2026
$38Mraised across 11 rounds since 2007, from 11 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
From a historical funding recordSEC filing: $10M sold, first sale Jul 2015
No investor was named in the report.
From a historical funding recordSEC filing: $385K sold, first sale Aug 2014
Reported by businesswire.comSEC filing: $12M sold, first sale May 2013
Navitas Capital
GeekWireReported by geekwire.comSEC filing: $12M sold, first sale May 2013
No investor was named in the report.
Reported by sec.govSEC filing: $1.0M sold, first sale Feb 2013
No investor was named in the report.
Reported by sec.govSEC filing: $1.0M sold, first sale Sept 2012
No investor was named in the report.
Reported by sec.govSEC filing: $1.0M sold, first sale Feb 2012
No investor was named in the report.
Reported by sec.govSEC filing: $1.5M sold, first sale Jun 2011
No investor was named in the report.
From a historical funding recordSEC filing: $1.2M sold, first sale Sept 2010
Reported by blog.seattlepi.comSEC filing: $2.0M sold, first sale Jun 2009
From Optimum Energy's own website and the SEC filings it signed: 12 on the team.
On the board, as filediDaryl DavidJoe FranziRobert AndrewsStan BatyTerry O'Keefe
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Navitas Capital
JCI Ventures
Edison EnergyGeekWirePacific Capital ManagementMissing a round, or an investor who was in one? Tell us.
Optimum Energy's investors include Columbia Pacific Advisors, Navitas Capital, JCI Ventures, Edison Energy and GeekWire, and 1 more on record.
Optimum Energy has raised $38M across 11 rounds since 2007. One round did not disclose an amount, so the total is a floor.
Optimum Energy's most recent round was a Venture of $10M in Aug 2015.
Optimum Energy's largest round on record is $12M (Venture), in Jun 2013.
Optimum Energy's first round on record, in Nov 2007, was backed by Columbia Pacific Advisors.
Optimum Energy's latest named round is a Venture, in Aug 2015.
Optimum Energy is based in the United States.
In the same sector, and raised in the last eighteen months.
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