Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage.
Flatiron Energy has raised $125.0M in total funding. The most recent round was Debt Financing. The last funding was announced in October 2025.
Flatiron Energy's investors include HPS Investment Partners, Hull Street Energy.
Flatiron Energy is headquartered in Boulder, United States.
Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage.
Flatiron Energy is at the Debt Financing stage.
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"Flatiron Energy — Funding & Investors." VCBacked, October 29, 2025, https://www.vcbacked.co/company/flatiron-energy. Accessed October 1, 2026.
VCBacked. (2025). Flatiron Energy — Funding & Investors. Retrieved October 1, 2026, from https://www.vcbacked.co/company/flatiron-energy
{{cite web |title=Flatiron Energy — Funding & Investors |url=https://www.vcbacked.co/company/flatiron-energy |website=VCBacked |access-date=October 1, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated