Suma Capital

Suma Capital is an independent investment manager based in Barcelona, founded in 2007. The firm specializes in private equity and infrastructure investments across Western Europe. Suma Capital collaborates with business owners to help them achieve their objectives, bringing a combination of expertise and thoroughness to each project. By partnering with entrepreneurs, Suma Capital aims to address significant challenges and drive growth in the companies they invest in.

David Arroyo

Founding Partner

David Arroyo

Founding Partner and Partner

Óscar Cortadellas

Investment Director

Sergio Fernández

Partner

Carlos González

Associate

Antoni Macià

Investment Director

Begoña Mata

CFO

Medianero, Natalia

Associate

Pablo de Muller

Founding Partner

Juan Rubio

Investment Director

Enrique Tombas

Founding Partner - President

Ruperto Unzué

Partner

Past deals in Energy Storage

Corinex

Venture Round in 2025
Corinex is a prominent provider of broadband-power-line (BPL) technology that specializes in enhancing the digitalization of energy distribution systems. The company focuses on enabling energy companies to transform traditional electric grids into smart energy networks, facilitating the integration of low-carbon technologies. Its solutions include GridValue and EnergyGrid, which leverage existing grid infrastructure to support real-time data transmission, analytics, and predictive modeling. Corinex's offerings also encompass grid asset management, providing functionalities such as device management and security at the edge of the grid. Through these innovations, Corinex aims to optimize network capacities and streamline the use of distributed energy resources, ultimately contributing to a more efficient and sustainable energy landscape.

Vega Chargers

Venture Round in 2025
VEGA Chargers is a manufacturer of electric vehicle chargers focused on promoting sustainable mobility. The company produces both wall-mounted and pole-mounted chargers, catering to the diverse needs of electric vehicle users. In addition to its charging solutions, VEGA Chargers offers a range of services including technical training, electromobility consulting, and technical support. These offerings are designed to ensure that customers have access to scalable and effective charging solutions, facilitating the transition to more environmentally friendly transportation options.

H2SITE

Series B in 2025
H2SITE is a company specializing in renewable technology for on-site hydrogen production. Their systems and membranes are designed for high-efficiency and purity hydrogen generation, suitable for applications such as separation processes or ammonia cracking. The company's compact technology facilitates the production, transportation, and storage of hydrogen, making it viable to transport and unlocking global hydrogen markets. This approach helps businesses reduce costs associated with transportation and minimize energy waste.

Bee Planet Factory

Venture Round in 2024
Bee Planet Factory S.L., founded in 2018 and headquartered in Noáin, Spain, specializes in recycling automotive batteries and repurposing them for home and commercial energy storage solutions. The company focuses on the second-life use of batteries removed from electric vehicles, which retain significant storage capacity (70%-80%) and high performance after their initial application. Bee Planet Factory offers various products, including BeeBattery Home for residential energy accumulation from photovoltaic panels, BeeBattery Pack for medium-scale commercial and industrial storage, and BeeBattery Power for large-scale industrial and renewable energy applications. Through its innovative approach, the company aims to promote sustainable energy consumption and contribute to an emission-free future.

MobilityPlus

Venture Round in 2024
MobilityPlus specializes in electric vehicle charging solutions and energy management services, catering to a diverse range of users, including individuals and businesses. The company is committed to enhancing the charging experience by offering a user-friendly platform that simplifies electric driving. MobilityPlus provides a comprehensive service package that includes options for charging cards and the rental or sale of charging points, both at corporate locations and employees' residences. This approach enables customers to manage their electricity consumption effectively and optimize their charging costs. With a focus on real-time management and efficient installation by qualified professionals, MobilityPlus aims to promote the use of renewable energy sources in the electric vehicle sector.

CS Energy Spain

Acquisition in 2019
CS Energy Spain is a Spanish multinational company specialized in industrial solutions for the generation of renewable.

Lantadu Solar

At Landatu Solar we design solutions for solar energy, focused on solving problems by simplifying and accelerating the energy transition. From the vision of product and innovation, we have patented different solutions for photovoltaic panel structures, seeking the optimization of available surfaces and speeding up installation processes.

Hybrid Energy Storage Solutions

Hybrid Energy Storage Solutions S.L., based in La Rinconada, Spain, specializes in hybrid energy storage solutions and offers innovative distributed smart grid and microgrid solutions. Established in 2018, the company focuses on developing cost-effective energy storage systems through the integration of various storage technologies, advanced power electronics, and proprietary energy management algorithms. Its flagship SHAD® technology provides a flexible platform that combines multiple storage types, including batteries and ultracapacitors, tailored for diverse applications across the electrical grid. Additionally, Hybrid Energy Storage Solutions develops sophisticated control systems, such as the Intelligent Node Management System and Energy Management System, which optimize the performance and monetization of these energy storage systems. The company also provides consultancy services, leveraging its expertise to help clients determine optimal sizing and operational strategies for energy storage solutions, thus enhancing efficiency and minimizing environmental impact.

Floatech

Floatech is a technology company that specializes in the development and manufacturing of high-performance silicon anodes for lithium-ion batteries. Their unique, solvent-free and polymer-free processing method results in silicon anodes with enhanced storage capacity, surpassing that of traditional graphite anodes. This innovation enables Floatech's clients to produce more efficient and sustainable batteries for electric vehicles and electronic devices. The company's proprietary process also ensures manufacturing sustainability and scalability, making it an attractive partner for businesses seeking to advance their battery technology.
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