Khosla Ventures portfolio Climate tech companies

Brenco - Companhia Brasileira de Energia Renovável is a renewable energy company, implementing industrial plants to produce ethanol and electricity from sugar cane in Brazil.Current projects are greenfield sites in the midwest region of Brazil (states of Goiás, Mato Grosso & Mato Grosso do Sul).

• Series unknown
• 109 employees
• Founded 2007

Spiritus is a climate tech company at the forefront of Direct-Air-Capture (DAC) technology. The company's approach combines the Spiritus Sorbent and the Spiritus Carbon Orchard, offering a scalable and modular system for low-cost DAC and sequestration (DAC+S). Spiritus is committed to making carbon removal an accessible and practical tool in the global fight against climate change. For more information, visit Spiritus.com

• Series A
• 56 employees
• Founded 2021

Ambri’s Liquid Metal BatteryTM technology solves the world’s biggest energy problems – fundamentally changing the way power grids operate by increasing the contribution from renewable resources and reducing the need to build traditional power plants. Ambri’s long duration energy storage solution is built for daily cycling – even in extreme, harsh environments. With a lifespan of 20+ years with minimal fade, Ambri systems are not only extremely reliable but also safe as Ambri systems do not produce or emit any gases and no possibility for thermal runaway.

• Series unknown
• 55 employees
• Founded 2010

Caelux®'s proprietary technologies improve the performance of any new crystalline silicon module, making solar energy more powerful and cost-effective. Headquartered in Baldwin Park, California, Caelux is at the forefront of the emerging science of perovskites, a special class of nanomaterials. Its flagship product, Caelux® One, is an innovative product that integrates seamlessly into existing PV module manufacturing processes, boosting performance, reducing installed costs, and accelerating the proliferation of solar. For more information, visit www.caelux.com.

• Series A
• 53 employees
• Founded 2014

Stirling-engine Developer Qnergy Acquires US-based InfiniaTEL AVIV, Israel, November 21, 2013 /PRNewswire/"Qnergy, an Israeli-based Stirling engine manufacturer and its U.S affiliate, has acquired the assets of US-based Infinia Corporation Inc. located in Ogden, Utah. Qnergy plans to integrate the core technologies and know-how of both companies in order to commence mass production of Stirling engines for various applications within the coming twelve months.Qnergy (http://www.qnergy.com) was established in 2009 by Ricor Cryogenic and Vacuum Systems, a world leader in the field of miniature Stirling cryogenic coolers. Qnergy's technology enables residential and business customers to generate power and hot water on-site (Distributed Power Generation) with total efficiency of more than 90%.The company develops and manufactures highly efficient, reliable and cost-effective Stirling engines for various applications such as: micro-combined heat and power (mCHP), solar power generation and solar CHP, remote power generation and more.Infinia Corporation is an energy technology company, developing and manufacturing high-efficiency, free piston Stirling generators that convert readily available and low cost heat sources such as solar, biogas and natural gas into reliable on and off grid electricity. Following 40 years of its ultra-high reliability technology for the DOD, NASA and DOE, Infinia has recently launched its solar product - the PowerDishTM. The PowerDish is the world's first Stirling-based solar power generation system suitable for automotive scale manufacturing and deployment, from small distribution scale arrays to multi megawatt utility scale solar plants. Infinia filed for chapter 11 and pursued a going concern sale of its assets this past September."

• Debt
• 40 employees
• Founded 1985