Insights

Expansion momentum FlexGen is expanding its manufacturing and deployment footprint with new 160 MW/320 MWh storage facilities in Houston and ongoing grid-scale projects in Texas, signaling growing demand and potential for scaled deployments and after-sales service, hardware integration, and project financing conversations.

Strategic acquisitions The company’s acquisitions of Clean Energy Services and Powin IP/assets indicate an aggressive consolidation strategy to broaden technology reach and competitive positioning, presenting opportunities to upsell integrated storage solutions, IP-enabled software features, and combined service offerings to a wider customer base.

Hardware agnostic value FlexGen’s hardware-agnostic approach and hardware-as-a-service options create sales avenues for customers who want flexibility to procure their own components or leverage FlexGen’s end-to-end systems, enabling tailored proposals across diverse customer procurement models.

HybridOS advantage The HybridOS energy management platform positions FlexGen as a software-first integrator, offering cross-sell to clients seeking advanced energy management, optimization, and grid services, especially for large-scale storage projects and utility-scale deployments.

Robust funding and scale With substantial revenue and funding, plus a track record of large deployments in ERCOT markets, there are opportunities to engage in multi-year, large-volume contracts, financing partnerships, and long-term service agreements for operations, maintenance, and software updates.

Similar companies to FlexGen

FlexGen Tech Stack

FlexGen uses 8 technology products and services including LinkedIn Ads, Figma, WooCommerce, and more. Explore FlexGen's tech stack below.

Media & News

FlexGen's Email Address Formats

FlexGen uses at least 3 email formats:
FlexGen Email FormatsExamplePercentage
FLast@flexgen.comJDoe@flexgen.com
96%
First@flexgen.comJohn@flexgen.com
3%
FiLast@flexgen.comJoDoe@flexgen.com
1%

Frequently Asked Questions

What is FlexGen's official website and social media links?

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FlexGen's official website is flexgen.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does FlexGen generate?

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As of October 2026, FlexGen's annual revenue is estimated to be $250M - $500M.

What is FlexGen's NAICS code?

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FlexGen's NAICS code is 5112 - Software Publishers.

How many employees does FlexGen have currently?

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As of October 2026, FlexGen has approximately 275 employees across 5 continents, including North America, Europe and Asia. Key team members include Chief Financial Officer: G. C., Chief Financial Officer: H. V. R. and Vp Of Sales - Europe: D. M. Explore FlexGen's employee directory with LeadIQ.

What industry does FlexGen belong to?

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FlexGen operates in the Software Development industry.

What technology does FlexGen use?

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FlexGen's tech stack includes LinkedIn Ads, Figma, WooCommerce, Jamf Pro, Google Cloud, Pardot, Microsoft Azure and Greenhouse.

What is FlexGen's email format?

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FlexGen's email format typically follows the pattern of FLast@flexgen.com. Find more FlexGen email formats with LeadIQ.

How much funding has FlexGen raised to date?

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As of October 2026, FlexGen has raised $358M in funding. The last funding round occurred on Jan 22, 2025 for $75M.

When was FlexGen founded?

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FlexGen was founded in 2009.
FlexGen logo

FlexGen

Software DevelopmentNorth Carolina, United States201-500 Employees

FlexGen is a software development company focused on integrated energy storage systems, headquartered in Durham, North Carolina, with 201-500 employees. It uses a software-first approach to energy storage, delivering advanced functionality through its HybridOS energy management system and by integrating with hardware across multiple storage platforms. The company offers hardware-agnostic solutions and can either let customers procure their own hardware or provide hardware as part of a complete system solution. FlexGen has pursued strategic partnerships and acquisitions to expand its market reach, including a 2026 partnership with AccessIntel and acquisitions of Clean Energy Services and Powin assets. The company maintains a technology stack that includes Grafana, Matplotlib, Weights & Biases, Google Sheets, Bash, Rust, VBA, and Bootstrap, and its website is flexgen.com.

Section iconCompany Overview

NAICS Code
5112 - Software Publishers
Founded
2009
Employees
201-500

Section iconFunding & Financials

  • $358M

    FlexGen has raised a total of $358M of funding over 5 rounds. Their latest funding round was raised on Jan 22, 2025 in the amount of $75M as a Debt Financing.

  • $250M - $500M

    FlexGen's revenue is estimated to be in the range of $250M - $500M

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