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FlexGen

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FlexGen is a leading energy storage technology solutions and services provider that delivers advisory, product technology and operational maintenance services

Durham, United StatesFounded 2009Energy
Valuation $500M–1B Last recorded · 2022
Revenue $10–50M Latest reported FY
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for FlexGen and the history behind them.

About FlexGen

FlexGen is a US-based company that specializes in energy storage solutions. The company designs and integrates battery energy storage systems (BESS) and provides a proprietary software platform, HybridOS, for managing and optimizing these assets.

Its core business revolves around providing these integrated systems to a variety of clients, including utilities, independent power producers, and large industrial and commercial customers. The company's business model includes the sale of its integrated hardware and software solutions, along with ongoing services for the deployment, management, and optimization of the energy storage systems. FlexGen operates in the growing energy transition market, where there is increasing demand for solutions that can stabilize the power grid, integrate renewable energy sources like solar and wind, and ensure a reliable power supply.

The HybridOS software platform is a key component of its offering, enabling the automated dispatch of energy from various sources—including batteries, renewables, and conventional generators—to meet grid demands efficiently. This software-first approach allows for the management of single sites or entire fleets of energy storage assets, providing real-time data and performance analytics.

Source: Dealroom company data

At a glance

Founded
2009
Headquarters
Durham, United States
Sector
Energy
Power Law
Colt$25–100M revenue

Investors

5 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A2 investors entered at this stage

  • Altira
  • G Ventures

Series B and later3 investors entered at this stage

Employees mapped 290 incl. 10 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 8 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
8 countries with
team presence
🇺🇸 United States95.7%
🇪🇸 Spain1.3%
🇨🇳 China0.8%
🇬🇧 United Kingdom0.4%
🇮🇩 Indonesia0.4%
Top 5 of 8 shown
Web traffic by country
12K monthly visits
across markets
🇺🇸 United States60.8%
🇮🇳 India12.5%
🇨🇦 Canada7.5%
🇯🇵 Japan6.7%
🇩🇪 Germany4.2%
Top 5 markets shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about FlexGen on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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