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JouleX has raised $19.0M across 2 funding rounds.
Key people at JouleX.
JouleX was founded in 2009 by Thomas Noonan (President & CEO, Co-Founder).
JouleX has raised $19.0M in total across 2 funding rounds.
JouleX, an Atlanta, Georgia-based software company with R&D operations in Kassel, Germany, developed cloud-based energy management software for monitoring and controlling power consumption across IT infrastructure. Its "agentless" technology provided enterprises with comprehensive visibility into energy usage across data centers and network-connected devices, eliminating the need for device-side agents or hardware meters. The solution aimed to help organizations reduce energy costs by up to 60 percent and support corporate sustainability reporting. Venture-backed by investors like Target Partners, JouleX was acquired by Cisco in May 2013 for approximately $107 million in cash and retention-based incentives, with its employees integrated into Cisco's Connected Energy Solutions team. The company's offerings included specialized products such as JouleX for EnergyWise, designed for Cisco switches. Founded in August 2009 by Josef Brunner and Rene Seeber, Tom Noonan served as CEO.
Key people at JouleX.
JouleX has raised $19.0M across 2 funding rounds. Most recently, it raised $17.0M Series B in June 2011.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Jun 1, 2011 | $17M Series B | — | Capnamic Ventures, Flybridge Capital Partners | Announced |
| Mar 1, 2010 | $2M Series A | — | Capnamic Ventures | Announced |
JouleX was founded in 2009 by Thomas Noonan (President & CEO, Co-Founder).
JouleX has raised $19.0M in total across 2 funding rounds.
JouleX's investors include Capnamic Ventures, Flybridge Capital Partners.
JouleX was a software company founded in 2009 that developed the JouleX Energy Manager (JEM), a network-based platform for monitoring, analyzing, and controlling power consumption of network-connected devices like computers, servers, printers, and HVAC systems.[1][2] It served Global 2000 enterprises and government agencies, solving the problem of high energy costs in distributed offices, data centers, and facilities by reducing usage up to 60% without requiring agent software on devices, which minimized installation and maintenance.[1][2] Acquired by Cisco Systems in July 2013, JouleX's technology integrated into Cisco's portfolio to enhance enterprise energy efficiency.[1][4]
The company demonstrated strong early traction with investments from Target Partners and TechOperators, international offices in Germany, Japan, China, and France, and awards like Gartner Cool Vendor in Green IT, GE Ecomagination Award, and Clean Tech Media Award.[1][2]
JouleX was founded in 2009 by Tom Noonan (CEO), Rene Seeber, both former employees of Internet Security Systems, and Josef Brunner, a German security specialist.[1] The idea emerged from their expertise in network security, pivoting to energy management by leveraging network protocols to monitor power without hardware agents—a novel approach at the time.[1][2] Headquartered in Atlanta, Georgia, with a small team of 25-50 employees, it quickly gained traction through venture funding and global expansion, culminating in its acquisition by Cisco in 2013.[1][4]
JouleX rode the early 2010s wave of green IT and sustainability, as enterprises faced rising energy costs, data center demands, and emerging carbon regulations.[1][2] Its timing aligned with network virtualization growth and Cisco's push into energy-efficient networking, making agentless solutions ideal for scaling without infrastructure overhauls.[4] Market forces like global energy crises and ESG pressures favored it, influencing the ecosystem by pioneering network-based energy management—now standard in modern DCIM tools—and accelerating Cisco's sustainability offerings.[1][3]
Post-2013 acquisition, JouleX's tech likely evolved within Cisco's energy management portfolio, contributing to tools for sustainable data centers amid AI-driven power surges.[4] Looking ahead, trends like net-zero mandates and edge computing will amplify demand for agentless efficiency, potentially expanding its legacy influence in hyperscale environments. As enterprises prioritize energy optimization, JouleX's foundational innovation positions Cisco—and echoes in today's market—to lead in cost-saving, eco-friendly tech, tying back to its origins in turning network visibility into power savings.
