3E

3E is a Brussels-based renewable energy consultancy and software company that provides data analytics, engineering expertise, and digital tools for solar, wind, and battery energy storage systems (BESS). With a focus on optimizing the performance and profitability of clean energy assets, 3E serves project developers, investors, and operators across the globe. The company combines deep technical knowledge with advanced software platforms to support the energy transition.

In Spain, 3E is active in the growing solar and storage market, offering consulting services for BESS and photovoltaic (PV) systems. The company's international footprint and English-speaking work environment make it accessible for foreign professionals, though Spanish language skills may be beneficial for client-facing roles. As a mid-sized firm, 3E offers a collaborative and specialized work culture, with opportunities to engage in cutting-edge renewable energy projects across Europe.