FlexGen

Private

Durham, North CarolinaEnergy & Sustainabilityhttps://www.flexgen.com

Last Round

Debt

Jan 22, 2025

Total Funding Raised

$350.5M

Company Overview

FlexGen Power Systems is an energy technology company that specializes in developing energy storage solutions and software for utilities, industrial sectors, and government agencies, offering integrated platforms for utility and microgrid projects along with remote operational support and maintenance services to optimize energy management and reduce costs globally.

Sector

Energy & Sustainability

Verticals

Energy Storage, Smart Grid, Energy Management, Renewable Energy

Business Model

B2B

Customer Profile

Hardware + Subscription, Services & Consulting, Subscription SaaS, Government Contracts

AI Layer

Application

Keywords

battery energy storage systemBESSHybridOSenergy management softwareenergy management systemenergy storage integrationutility-scale storagesoftware-defined powersolar and storagegrid-scale storagehardware-agnostic softwareasset optimizationbattery management systemBMSlifecycle servicesgrid stabilitysolar power plant controllermicrogrid solutionsdata center power

Historical Pricing

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FlexGen Comps

Public and private peers based on sector, stage, and business model.

Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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FlexGen Funding Rounds

Historical fundraising activity

Round	Date	Amount Raised	Valuation	Investors	Sources
Debt	Jan 22, 2025
Series C	Jul 19, 2022
Series B	Aug 25, 2021
Series A	Jul 30, 2015

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Key People

Founding team and executive leadership

Gary Cristini

Chief Financial Officer

Executive Team

FlexGen Investors

Notable investors and investment history

Investor	Rounds
Altira Group	Series B, Series A
Santander	Debt
J.P. Morgan	Debt
BNP Paribas	Debt
JPMorgan Chase & Co.	Debt
Apollo Global Management	Series B
GE Ventures	Series A, Series B

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Market signals

Structured signals derived from secondary market and firmographic data.

Apr 3, 2026
Managing 8 GWh of energy storage systems with HybridOS software.
Apr 3, 2026
HybridOS(TM) software achieved 1.5 million hours of runtime.

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FlexGen Filings

SEC and related filings with document metadata.

Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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FlexGen Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersDurham, North Carolina

Employee Range276

Year Founded2009

Last FundingJan 22, 2025

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