Hudson Sustainable Group

Hudson Clean Energy Partners is a private equity firm formed in 2007 to invest in the dynamic and fast-growing clean energy markets. Members of the Hudson senior team formerly led the U.S. alternative energy investing platform at Goldman Sachs Group, Inc.'s Special Situations Group, headed renewable energy investments for General Electric's (“GE”) Energy Financial Services unit, and served as Chairman of the Energy Group and Vice Chairman of Credit Suisse's Investment Banking Department for the Americas.

Joseph E. Slamm

Partner

11 past transactions

Powermat

Series B in 2021
Powermat Technologies develops wireless charging solutions for mobile devices, offering products such as the Powermat Ring, which enables charging for smartphones with various port types. The company also provides a mobile application that helps users locate nearby charging spots and access offers from favorite venues. Founded in 2006, Powermat has established partnerships with notable organizations, including Starbucks and General Motors, to integrate its technology into various environments, such as retail spaces and vehicles. The company operates a mobile customer engagement platform that allows businesses to communicate relevant information to users while they charge their devices. Powermat's technology, based on magnetic induction, is designed for versatility and cost-effectiveness, making it suitable for a wide range of applications. The brand is internationally recognized and has collaborated with industry leaders to advance its wireless charging solutions in both consumer and public settings.

Sunlight Financial

Debt Financing in 2018
Sunlight Financial LLC is a technology-driven financing company that provides homeowners and contractors in the United States with solutions for home improvement projects, particularly the installation of residential solar systems. Founded in 2014 and based in New York, the company offers point-of-sale financing that simplifies the purchasing process for various home improvements, including roofing, HVAC, energy efficiency upgrades, and more. By partnering with contractors, Sunlight Financial enables access to affordable loans with straightforward approval and funding processes. The company's operations are supported by its technology and credit expertise, which enhance the overall consumer financing experience. Sunlight Financial generates revenue through platform fees on loans facilitated and through management fees for servicing its loan portfolio.

Sunlight Financial

Private Equity Round in 2015
Sunlight Financial LLC is a technology-driven financing company that provides homeowners and contractors in the United States with solutions for home improvement projects, particularly the installation of residential solar systems. Founded in 2014 and based in New York, the company offers point-of-sale financing that simplifies the purchasing process for various home improvements, including roofing, HVAC, energy efficiency upgrades, and more. By partnering with contractors, Sunlight Financial enables access to affordable loans with straightforward approval and funding processes. The company's operations are supported by its technology and credit expertise, which enhance the overall consumer financing experience. Sunlight Financial generates revenue through platform fees on loans facilitated and through management fees for servicing its loan portfolio.

Silicor Materials

Private Equity Round in 2015
Silicor Materials Inc., formerly known as Calisolar Inc., is a manufacturer specializing in solar silicon and aluminum-based products aimed at producing low-cost photovoltaic solar cells. The company offers solar silicon products that serve as an economical alternative to traditional electronic-grade silicon, allowing photovoltaic module manufacturers to reduce costs while maintaining high performance standards. Silicor operates silicon purification facilities through its subsidiary in Ontario, Canada, and has additional manufacturing sites in Vaughan, Canada, and Mississippi. The company also produces aluminum by-products, including aluminum-silicon master alloys and polyaluminum chloride for water treatment applications. Established in 2006 and headquartered in San Jose, California, Silicor Materials further invests in innovation through its state-of-the-art research and development center located in Berlin, Germany.

Silicor Materials

Series F in 2013
Silicor Materials Inc., formerly known as Calisolar Inc., is a manufacturer specializing in solar silicon and aluminum-based products aimed at producing low-cost photovoltaic solar cells. The company offers solar silicon products that serve as an economical alternative to traditional electronic-grade silicon, allowing photovoltaic module manufacturers to reduce costs while maintaining high performance standards. Silicor operates silicon purification facilities through its subsidiary in Ontario, Canada, and has additional manufacturing sites in Vaughan, Canada, and Mississippi. The company also produces aluminum by-products, including aluminum-silicon master alloys and polyaluminum chloride for water treatment applications. Established in 2006 and headquartered in San Jose, California, Silicor Materials further invests in innovation through its state-of-the-art research and development center located in Berlin, Germany.

SoloPower

Venture Round in 2012
SoloPower Systems, Inc. is a photovoltaic technology company based in Portland, Oregon, that designs, manufactures, and deploys thin-film solar cells and modules utilizing copper indium gallium selenide (CIGS). The company specializes in ultra-lightweight products aimed at large-scale commercial, government, and municipal rooftops. Its offerings include various models of the SoloPanel, optimized for different applications, and additional products such as roof panels and waterproofing membranes. SoloPower focuses on providing solar solutions that are cost-competitive with traditional energy sources, utilizing innovative electroplating technology to enhance efficiency and reduce production costs. The company serves a diverse clientele, including developers, independent power producers, and engineering firms, with operations extending across the United States and several international markets, including Europe, Asia, and the Middle East. Founded in 2005, SoloPower aims to revolutionize solar energy generation with its advanced photovoltaic technologies.

SoloPower

Venture Round in 2011
SoloPower Systems, Inc. is a photovoltaic technology company based in Portland, Oregon, that designs, manufactures, and deploys thin-film solar cells and modules utilizing copper indium gallium selenide (CIGS). The company specializes in ultra-lightweight products aimed at large-scale commercial, government, and municipal rooftops. Its offerings include various models of the SoloPanel, optimized for different applications, and additional products such as roof panels and waterproofing membranes. SoloPower focuses on providing solar solutions that are cost-competitive with traditional energy sources, utilizing innovative electroplating technology to enhance efficiency and reduce production costs. The company serves a diverse clientele, including developers, independent power producers, and engineering firms, with operations extending across the United States and several international markets, including Europe, Asia, and the Middle East. Founded in 2005, SoloPower aims to revolutionize solar energy generation with its advanced photovoltaic technologies.

SoloPower

Venture Round in 2011
SoloPower Systems, Inc. is a photovoltaic technology company based in Portland, Oregon, that designs, manufactures, and deploys thin-film solar cells and modules utilizing copper indium gallium selenide (CIGS). The company specializes in ultra-lightweight products aimed at large-scale commercial, government, and municipal rooftops. Its offerings include various models of the SoloPanel, optimized for different applications, and additional products such as roof panels and waterproofing membranes. SoloPower focuses on providing solar solutions that are cost-competitive with traditional energy sources, utilizing innovative electroplating technology to enhance efficiency and reduce production costs. The company serves a diverse clientele, including developers, independent power producers, and engineering firms, with operations extending across the United States and several international markets, including Europe, Asia, and the Middle East. Founded in 2005, SoloPower aims to revolutionize solar energy generation with its advanced photovoltaic technologies.

Silicor Materials

Series C in 2009
Silicor Materials Inc., formerly known as Calisolar Inc., is a manufacturer specializing in solar silicon and aluminum-based products aimed at producing low-cost photovoltaic solar cells. The company offers solar silicon products that serve as an economical alternative to traditional electronic-grade silicon, allowing photovoltaic module manufacturers to reduce costs while maintaining high performance standards. Silicor operates silicon purification facilities through its subsidiary in Ontario, Canada, and has additional manufacturing sites in Vaughan, Canada, and Mississippi. The company also produces aluminum by-products, including aluminum-silicon master alloys and polyaluminum chloride for water treatment applications. Established in 2006 and headquartered in San Jose, California, Silicor Materials further invests in innovation through its state-of-the-art research and development center located in Berlin, Germany.

Silicor Materials

Series B in 2008
Silicor Materials Inc., formerly known as Calisolar Inc., is a manufacturer specializing in solar silicon and aluminum-based products aimed at producing low-cost photovoltaic solar cells. The company offers solar silicon products that serve as an economical alternative to traditional electronic-grade silicon, allowing photovoltaic module manufacturers to reduce costs while maintaining high performance standards. Silicor operates silicon purification facilities through its subsidiary in Ontario, Canada, and has additional manufacturing sites in Vaughan, Canada, and Mississippi. The company also produces aluminum by-products, including aluminum-silicon master alloys and polyaluminum chloride for water treatment applications. Established in 2006 and headquartered in San Jose, California, Silicor Materials further invests in innovation through its state-of-the-art research and development center located in Berlin, Germany.

Recurrent Energy

Series B in 2008
Recurrent Energy is a prominent developer and owner of utility-scale solar power systems, focusing on delivering competitive and clean electricity to large energy consumers worldwide. The company engages in all aspects of the project development lifecycle, including siting, design, interconnection, permitting, procurement, financing, construction, and asset management. By utilizing Power Purchase Agreements (PPAs) and Feed-in Tariffs (FiT), Recurrent Energy enables utility, commercial, and government customers to achieve energy independence, predictable pricing, and enhanced sustainability. Through its efforts, the company aims to address the barriers to solar adoption, making renewable energy a practical and viable choice for significant energy users.
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