Company Performance Metrics
Esterna is an electrical contracting and utility construction firm that focuses on external electrical installation works and related engineering services. The company designs and builds 0.4 to 110 kV overhead and underground power networks, including cabling, switchboards, and compact substations. It develops commercial solar parks and
tracker-equipped solar fields, delivering turnkey renewable energy installations. Esterna also installs telecommunications infrastructure such as underground ducts, aerial routes, optical fiber, and data cables. Its services include operational maintenance, legal operational management, technical consulting, grid inspections, and asset design workflows. The company serves utility owners, infrastructure developers, and telecommunication operators that require integrated power and communication network projects.