Alter Enersun is a Spanish renewable energy company focused on solar photovoltaic generation. It develops, finances, builds, and operates utility‑scale PV plants as well as on‑site and distributed solar installations for industrial, commercial, and public‑sector customers, primarily in Spain.
The company’s activities span the full project lifecycle, including project development, engineering and construction oversight, asset management, and operations and maintenance. Alter Enersun also structures power purchase agreements (PPAs) and provides energy management solutions to help customers reduce electricity costs and emissions. Its portfolio contributes to Spain’s renewable capacity expansion and supports decarbonization objectives through reliable, grid‑connected solar power.
