FlexGen (Energy Storage) Overview

  • Year Founded
  • 2009

Year Founded

  • Status
  • Private

  • Employees
  • 222

Employees

  • Latest Deal Type
  • Debt

  • Latest Deal Amount
  • $75M

  • Investors
  • 6

FlexGen (Energy Storage) General Information

Description

Developer of energy storage technology intended to deliver utility-scale battery storage projects by taking a functionality and software-first approach. The company's platform integrates all levels of utility and microgrid projects and the physical energy storage systems products as well as provides remote operational support, and preventative maintenance, delivers utility-scale storage projects integrated with traditional and renewable power generation globally, enabling clients to effectively manage energy production and storage to reduce costs.

Contact Information

Website
www.flexgen.com
Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 280 South Mangum Street
  • Suite 150
  • Durham, NC 27701
  • United States
+1 (855)
Primary Industry
Energy Storage
Other Industries
Business/Productivity Software
Corporate Office
  • 280 South Mangum Street
  • Suite 150
  • Durham, NC 27701
  • United States
+1 (855)

FlexGen (Energy Storage) Timeline

2022202320242025
Financing RoundCaptured Employee CountEstimated Employee Growth

Want detailed data on 3M+ companies?

What you see here scratches the surface

Request a free trial

Want to dig into this profile?

We’ll help you find what you need

Learn more

FlexGen (Energy Storage) Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
5. Debt - General 26-Nov-2024 $75M Completed Generating Revenue
4. Later Stage VC (Series C) 15-Jul-2022 Completed Generating Revenue
3. Later Stage VC (Series B) 25-Aug-2021 Completed Generating Revenue
2. Later Stage VC (Series A) 29-Jul-2015 $25.5M $25.5M Completed Generating Revenue
1. Grant $1M Completed Generating Revenue
To view FlexGen (Energy Storage)’s complete valuation and funding history, request access »

FlexGen (Energy Storage) Cap Table

Stock # of Shares
Authorized
Par Value Dividend Rate (%) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
Series C
Series B
Series A 42,892,131 $0.001000 $0.7 $0.7 1x $0.7 27.79%
To view FlexGen (Energy Storage)’s complete cap table history, request access »

VC Exit Predictor

See how our proprietary methodology utilizes historical data sets to synthesize the likelihood of an acquisition, IPO, or no exit event. Get a detailed look at the calculations behind our predictions.

Opportunity Score

Calculated using Exit Type probabilities, the company’s stage, and PitchBook’s historical returns data.

Exit Type

Evaluates the likelihood of a successful exit for investors, and the most likely exit type.

FlexGen (Energy Storage) Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Developer of energy storage technology intended to deliver utility-scale battery storage projects by taking a functional
Energy Storage
Durham, NC
222 As of 2025

San Francisco, CA
 

Tualatin, OR
 
Add Comparison

PitchBook’s comparison feature gives you a side-by-side look at key metrics for similar companies. Personalize which data points you want to see and create visualizations instantly.

Request a free trial

FlexGen (Energy Storage) Competitors (2)

One of FlexGen (Energy Storage)’s 2 competitors is Stem, a Formerly VC-backed company based in San Francisco, CA.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Stem Formerly VC-backed San Francisco, CA
Powin Private Equity-Backed Tualatin, OR
You’re viewing 2 of 2 competitors. Get the full list »

FlexGen (Energy Storage) Patents

FlexGen (Energy Storage) Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20230088380-A1 Electrical systems and methods using high capacity local bus supported by energy storage Pending 22-Sep-2021
AU-2022353021-A1 Electrical systems and methods using high capacity local bus supported by energy storage Pending 22-Sep-2021
CA-3232790-A1 Electrical systems and methods using high capacity local bus supported by energy storage Pending 22-Sep-2021
EP-4406081-A1 Electrical systems and methods using high capacity local bus supported by energy storage Pending 22-Sep-2021
US-20200139178-A1 Apparatus and methods for battery fire suppression using multi-port extinguishing agent distribution Pending 02-Nov-2018 A62C37/12
To view FlexGen (Energy Storage)’s complete patent history, request access »

FlexGen (Energy Storage) Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

Similarweb Unique Visitors

Majestic Referring Domains

PitchBook’s non-financial metrics help you gauge a company’s traction and growth using web presence and social reach.

Request a free trial

FlexGen (Energy Storage) Investors (6)

Investor Name Investor Type Holding Investor Since Participating Rounds
BlackForest Ventures Family Office Minority
Vitol Corporation Minority
Apollo Global Management PE/Buyout Minority
Altira Group Venture Capital Minority
Caterpillar Venture Capital Corporate Venture Capital Minority
You’re viewing 5 of 6 investors. Get the full list »

FlexGen (Energy Storage) FAQs

  • When was FlexGen (Energy Storage) founded?

    FlexGen (Energy Storage) was founded in 2009.

  • Where is FlexGen (Energy Storage) headquartered?

    FlexGen (Energy Storage) is headquartered in Durham, NC.

  • What is the size of FlexGen (Energy Storage)?

    FlexGen (Energy Storage) has 222 total employees.

  • What industry is FlexGen (Energy Storage) in?

    FlexGen (Energy Storage)’s primary industry is Energy Storage.

  • Is FlexGen (Energy Storage) a private or public company?

    FlexGen (Energy Storage) is a Private company.

  • What is FlexGen (Energy Storage)’s current revenue?

    The current revenue for FlexGen (Energy Storage) is .

  • How much funding has FlexGen (Energy Storage) raised over time?

    FlexGen (Energy Storage) has raised $351M.

  • Who are FlexGen (Energy Storage)’s investors?

    BlackForest Ventures, Vitol, Apollo Global Management, Altira Group, and Caterpillar Venture Capital are 5 of 6 investors who have invested in FlexGen (Energy Storage).

  • Who are FlexGen (Energy Storage)’s competitors?

    Stem and Powin are competitors of FlexGen (Energy Storage).

Data Transparency

  • Meet our data hygiene team

    Discover how our experts ensure you’re getting the most accurate financial data in the industry.

    Read blog »
  • How PitchBook sources data

    Our data operations team has logged over 3.5 million hours researching, organizing, and integrating the information you need most.

    Discover our process »