Hydrostor
Convertible Note in 2025
Hydrostor develops compressed air energy storage solutions for electricity systems. Its emission-free technology addresses needs for dispatchable capacity, renewable integration, transmission deferral, and behind-the-meter applications. The company serves customers in North America and Australia, with a strategic partnership with AECOM.
Chestnut Carbon
Series B in 2025
Chestnut Carbon is an environmental engineering company specializing in carbon removal and project development services. It operates a nature-based carbon offset platform designed to generate forest carbon offsets that are additional, verifiable, and biodiverse, contributing to the acceleration of net-zero goals across various industries. The company focuses on reforestation and afforestation, improved forest management, and preventing land conversion. Chestnut Carbon aims to enhance biodiversity and restore lands to their natural habitats, aligning its efforts with the growing demand for sustainable environmental solutions.
Allete
Acquisition in 2024
ALLETE, Inc. is an energy company based in Duluth, Minnesota, incorporated in 1906. It operates through two primary segments: Regulated Operations and ALLETE Clean Energy. The Regulated Operations segment includes Minnesota Power and Superior Water, Light and Power Company, which provide electric, natural gas, and water services to a significant number of customers in northeastern Minnesota and northwestern Wisconsin. Additionally, this segment encompasses an investment in American Transmission Company, a utility that maintains electric transmission infrastructure across parts of Wisconsin, Michigan, Minnesota, and Illinois. ALLETE Clean Energy focuses on the development, acquisition, and operation of clean and renewable energy projects, operating around 660 megawatts of wind energy generation. The company is also involved in coal mining operations in North Dakota and real estate investments in Florida, while owning and operating multiple substations with substantial capacity.
Encino Energy
Funding Round in 2024
Encino Energy LLC, established in 2011 and based in Houston, Texas, is an oil and gas exploration and production company. It specializes in acquiring operated and non-operated working interests, mineral interests, and equity assets in small private energy companies across various basins. Encino focuses on delivering strong returns with low risk through a disciplined approach to acquisitions and development, robust cash flow generation, modest debt levels, and a comprehensive commodity hedging program. The company employs top-tier professionals across its operations to ensure efficient management of its assets.
Mombak is a carbon removal company based in Sao Paulo, Brazil, focused on reforestation of the Amazon. The team brings together experts in science, technology, forestry, and carbon markets to advance large-scale, nature-based climate solutions.
Aera Energy
Acquisition in 2023
Aera Energy is a California-based oil and gas producer that specializes in the extraction of heavy oil and other unconventional light reservoirs. The company is committed to safe and reliable energy production, emphasizing the vital role of oil and gas in daily life. Aera Energy enhances the output of mature oil fields through the application of engineering expertise, lean processes, and innovative data management. By focusing on responsible production practices, Aera Energy aims to provide efficient and sustainable solutions for oil supply, ensuring that it meets the energy needs of its clients while maintaining a commitment to safety and quality.
Hydrostor
Debt Financing in 2022
Hydrostor develops compressed air energy storage solutions for electricity systems. Its emission-free technology addresses needs for dispatchable capacity, renewable integration, transmission deferral, and behind-the-meter applications. The company serves customers in North America and Australia, with a strategic partnership with AECOM.
KoBold Metals
Series B in 2022
KoBold Metals specializes in global mineral exploration for battery materials. It combines geological expertise with advanced data analytics and machine learning to identify prospective cobalt sources, supporting the electric vehicle revolution.
Laricina Energy
Debt Financing in 2014
Laricina Energy Ltd. is a private company based in Calgary, Canada, focused on the exploration, development, and production of bitumen from oil sands in Western Canada. Founded in 2005, the company has advanced two grassroots oil sands exploration projects to the brink of commercial-scale development. Laricina owns and operates a diverse portfolio of oil sands assets, primarily targeting in situ Athabasca oil sands properties. The company leverages technology and in-house expertise to create value, pursuing opportunities in less known and less mature projects. Laricina Energy operates as a subsidiary of Canadian Natural Resources Limited and has established five project development areas to enhance its operations in the oil sands sector.