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 August 15, 2026.
VCBacked. (2025). Flatiron Energy — Funding & Investors. Retrieved August 15, 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=August 15, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated