General Catalyst

Founded in 2000, General Catalyst is a venture capital firm specializing in early-stage and growth equity investments. It focuses on accelerating ideas, careers, and companies towards success by providing ongoing momentum and mentorship based on deep experience.

Adrian Abeijon

Investor

Mark Allen

CFO

Samuel Beyer

Investor

Marc Bhargava

Managing Director

Chris Bischoff

Managing Director

Past deals in Energy

Mainspring

Series F in 2025
Mainspring Energy, Inc. is a technology company based in Menlo Park, California, that specializes in developing linear generator technology for low carbon, dispatchable energy solutions. Founded in 2010 by three Stanford engineers, the company focuses on creating advanced prototypes that convert fuel into electricity through a unique, low-temperature reaction of air and fuel. This innovative approach allows Mainspring to offer generators that provide affordable, reliable electricity while significantly reducing carbon emissions compared to traditional electric grids. The company's mission is to address climate change and enhance energy accessibility, contributing to the development of net-zero carbon energy systems for the future.

Fourier

Series A in 2025
Fourier specializes in developing modular, automated hydrogen production systems designed for on-site deployment. This eliminates the need for hydrogen transportation, making it universally accessible. Their innovative architecture contributes to a sustainable energy future by providing green hydrogen for industries such as transportation and power storage.

Claros

Seed Round in 2025
Claros is a power management platform provider that utilizes cutting-edge hardware and software to enhance energy distribution and usage at data centers, thereby boosting compute performance and maximizing efficiency.

Tractian

Series C in 2024
Tractian offers asset management and monitoring solutions. It provides tools for data collection and analysis to track asset performance and condition, integrating with sensors and devices for predictive maintenance. The company serves industries such as manufacturing, logistics, and energy.

Fever

Seed Round in 2024
Forefront of Flexibility

Tractian

Series B in 2023
Tractian offers asset management and monitoring solutions. It provides tools for data collection and analysis to track asset performance and condition, integrating with sensors and devices for predictive maintenance. The company serves industries such as manufacturing, logistics, and energy.

Charm Industrial

Series B in 2023
Charm Industrial develops carbon removal technology that converts agricultural residues into bio-oil via fast pyrolysis and injects the bio-oil into deep geological formations for permanent underground storage, enabling long-term carbon offsetting and contributing to climate change mitigation.

Gridco

Venture Round in 2016
Gridco Systems, established in 2010, specializes in innovative power distribution solutions tailored for modern electric grids. The company develops advanced power management systems that allow utilities to effectively manage the distribution of electricity. By utilizing cutting-edge power electronics and intelligent control systems, Gridco's technology enables real-time monitoring and management of voltage and other critical parameters within the distribution network. This approach enhances the predictability and precision of power distribution, addressing the evolving demands faced by electric power distribution system operators.

Gridco

Venture Round in 2014
Gridco Systems, established in 2010, specializes in innovative power distribution solutions tailored for modern electric grids. The company develops advanced power management systems that allow utilities to effectively manage the distribution of electricity. By utilizing cutting-edge power electronics and intelligent control systems, Gridco's technology enables real-time monitoring and management of voltage and other critical parameters within the distribution network. This approach enhances the predictability and precision of power distribution, addressing the evolving demands faced by electric power distribution system operators.

Gridco

Series B in 2013
Gridco Systems, established in 2010, specializes in innovative power distribution solutions tailored for modern electric grids. The company develops advanced power management systems that allow utilities to effectively manage the distribution of electricity. By utilizing cutting-edge power electronics and intelligent control systems, Gridco's technology enables real-time monitoring and management of voltage and other critical parameters within the distribution network. This approach enhances the predictability and precision of power distribution, addressing the evolving demands faced by electric power distribution system operators.

Gridco

Series A in 2012
Gridco Systems, established in 2010, specializes in innovative power distribution solutions tailored for modern electric grids. The company develops advanced power management systems that allow utilities to effectively manage the distribution of electricity. By utilizing cutting-edge power electronics and intelligent control systems, Gridco's technology enables real-time monitoring and management of voltage and other critical parameters within the distribution network. This approach enhances the predictability and precision of power distribution, addressing the evolving demands faced by electric power distribution system operators.

Stion

Private Equity Round in 2011
Stion Corporation is a manufacturer of thin-film solar modules, established in 2006 and headquartered in San Jose, California, with a manufacturing facility in Hattiesburg, Mississippi. The company specializes in developing high-efficiency solar modules that offer reduced material and processing costs, enhancing their power output and reliability. Stion’s products are designed for a variety of applications, including residential, commercial, utility, and off-grid uses. The company markets its solar modules through a network of authorized dealers both in the United States and internationally. By utilizing innovative cell architecture and all-weather construction, Stion aims to lower the overall costs of electricity and improve the efficiency of solar power generation.

Gridco

Series A in 2011
Gridco Systems, established in 2010, specializes in innovative power distribution solutions tailored for modern electric grids. The company develops advanced power management systems that allow utilities to effectively manage the distribution of electricity. By utilizing cutting-edge power electronics and intelligent control systems, Gridco's technology enables real-time monitoring and management of voltage and other critical parameters within the distribution network. This approach enhances the predictability and precision of power distribution, addressing the evolving demands faced by electric power distribution system operators.

CLEAResult

Venture Round in 2011
CLEAResult specializes in energy management solutions, serving utilities, businesses, and individuals across various sectors. The company designs and implements energy transition programs, offering services such as energy optimization, benchmarking, research, and intelligence to help clients reduce energy usage, costs, and emissions.

SunBorne Energy

Venture Round in 2010
SunBorne Energy Holdings LLC, established in 2008, is a solar power company focused on developing utility-scale solar thermal projects in India, particularly in Gujarat, and aims to expand its large-scale solar plant initiatives throughout the country. The company operates with the objective of providing low-cost, environment-friendly solar energy solutions, facilitating the production of grid parity electricity for its clients. With offices located in Cambridge and Haryana, SunBorne Energy is dedicated to addressing the global energy crisis through the deployment of sustainable solar technologies that harness sunlight for clean energy generation.

Stion

Series D in 2010
Stion Corporation is a manufacturer of thin-film solar modules, established in 2006 and headquartered in San Jose, California, with a manufacturing facility in Hattiesburg, Mississippi. The company specializes in developing high-efficiency solar modules that offer reduced material and processing costs, enhancing their power output and reliability. Stion’s products are designed for a variety of applications, including residential, commercial, utility, and off-grid uses. The company markets its solar modules through a network of authorized dealers both in the United States and internationally. By utilizing innovative cell architecture and all-weather construction, Stion aims to lower the overall costs of electricity and improve the efficiency of solar power generation.

SunBorne Energy

Venture Round in 2009
SunBorne Energy Holdings LLC, established in 2008, is a solar power company focused on developing utility-scale solar thermal projects in India, particularly in Gujarat, and aims to expand its large-scale solar plant initiatives throughout the country. The company operates with the objective of providing low-cost, environment-friendly solar energy solutions, facilitating the production of grid parity electricity for its clients. With offices located in Cambridge and Haryana, SunBorne Energy is dedicated to addressing the global energy crisis through the deployment of sustainable solar technologies that harness sunlight for clean energy generation.

Mascoma

Series C in 2008
Mascoma develops a consolidated bioprocessing platform to convert non-food biomass such as wood and switchgrass into cellulosic ethanol and biochemicals. It provides engineered microorganisms and proprietary CBP technology that combine enzyme production, hydrolysis, and fermentation into a single, streamlined workflow, enabling renewable fuel producers and industrial bioprocessors to access low-carbon ethanol and value-added biochemicals. The approach aims to simplify production, reduce costs, and accelerate scalable, sustainable alternatives to gasoline.

Stion

Series B in 2007
Stion Corporation is a manufacturer of thin-film solar modules, established in 2006 and headquartered in San Jose, California, with a manufacturing facility in Hattiesburg, Mississippi. The company specializes in developing high-efficiency solar modules that offer reduced material and processing costs, enhancing their power output and reliability. Stion’s products are designed for a variety of applications, including residential, commercial, utility, and off-grid uses. The company markets its solar modules through a network of authorized dealers both in the United States and internationally. By utilizing innovative cell architecture and all-weather construction, Stion aims to lower the overall costs of electricity and improve the efficiency of solar power generation.

Mascoma

Series B in 2006
Mascoma develops a consolidated bioprocessing platform to convert non-food biomass such as wood and switchgrass into cellulosic ethanol and biochemicals. It provides engineered microorganisms and proprietary CBP technology that combine enzyme production, hydrolysis, and fermentation into a single, streamlined workflow, enabling renewable fuel producers and industrial bioprocessors to access low-carbon ethanol and value-added biochemicals. The approach aims to simplify production, reduce costs, and accelerate scalable, sustainable alternatives to gasoline.

Stion

Series A in 2006
Stion Corporation is a manufacturer of thin-film solar modules, established in 2006 and headquartered in San Jose, California, with a manufacturing facility in Hattiesburg, Mississippi. The company specializes in developing high-efficiency solar modules that offer reduced material and processing costs, enhancing their power output and reliability. Stion’s products are designed for a variety of applications, including residential, commercial, utility, and off-grid uses. The company markets its solar modules through a network of authorized dealers both in the United States and internationally. By utilizing innovative cell architecture and all-weather construction, Stion aims to lower the overall costs of electricity and improve the efficiency of solar power generation.

Millennial Net

Series A in 2003
Millennial Net's flagship platform, MeshScape, offers highly scalable, low power, reliable wireless mesh networking capability that is beyond any conventional WSN technologies. Millennial Net also provides Wireless Energy Management and Energy Efficiency solutions focused on commercial and public building applications. Typically save 15%-30% of a buildings current energy consumption.
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