Flatiron Energy Funding: $8.7M Raised, Investors & Rounds

Flatiron Energy is based in Boulder, CO. It has raised $8.7M in total funding. Backed by Hull Street Energy.

Flatiron Energy funding overview

Flatiron Energy is based in Boulder, CO. Flatiron Energy has raised $8.7M in total disclosed funding. That places its disclosed total in the $1M–$25M range. Investors on record include Hull Street Energy.

Flatiron Energy at a glance

Total raised
$8.7M
Headquarters
Boulder, CO
Notable investors
Hull Street Energy

Frequently asked about Flatiron Energy funding

How much has Flatiron Energy raised?
Flatiron Energy has raised $8.7M in total disclosed funding across the rounds on record.
Who has invested in Flatiron Energy?
Hull Street Energy are named among the investors backing Flatiron Energy.
What was the latest Flatiron Energy funding round?
No round stage has been disclosed for Flatiron Energy.
Where is Flatiron Energy based?
Flatiron Energy is based in Boulder, CO.

Flatiron Energy totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related companies in Boulder below to benchmark round size and investor mix.

Companies related to Flatiron Energy (18)

Browse related funding lists (1)

Company funding database · Investor directory · Founder database · Mega-rounds 2026