Our Iconic Portfolio
/ Projects
Ambition, engineered to last.
Our projects bring together experience, ingenuity and methodical teamwork to transform ambitious requirements into infrastructure designed to perform and endure. Across Railway Infrastructure and Renewable Energy, we combine people, expertise and specialised resources to respond to different scales, environments and technical challenges.
From Greece to international markets, every project adds to a track record built on precision, adaptability and consistent delivery, while creating lasting value for the environments and communities it serves.


Solar Projects Overview
Our portfolio reflects the breadth of our renewable energy expertise, spanning solar projects of different scale, technical requirements and complexity across Greece and international markets. From 17.82 MWp to 227.5 MWp, our projects demonstrate the depth of our capabilities and our ability to deliver demanding solar infrastructure with technical precision, operational reliability and consistent execution.
Project Portfolio
Every project, across different scales, markets and technical requirements, contributes to the experience, expertise and capabilities we bring to the next. Together, they reflect the breadth of STR POWER’s solar expertise and a proven track record built through consistent, reliable execution.
Tocopilla Solar PV · 227.5 MWp
Large-scale 227.5 MWp photovoltaic project in Chile, for which STR POWER carried out the electrical works and cable trench excavation works.
Karavasta Solar PV · 140 MWp
Large-scale photovoltaic project showcasing STR POWER’s integrated capabilities in electromechanical works, from mechanical and electrical installation through to commissioning. The scope of works also included civil works related to the foundations of the electrical substations.
Atacama (Pica) · 170.65 MWp
170.65 MWp solar energy project located in Pica, Tamarugal, Tarapacá, Chile.
Bolero · 146 MWp
146 MWp solar energy project located in the municipality of Sierra Gorda, Antofagasta, Chile.
Dracena · 89.7 MWp
89.7 MWp solar energy project located in the municipality of Dracena, São Paulo, Brazil.
Pirapora II · 115 MWp
115 MWp solar energy project located in the municipality of Pirapora, Minas Gerais, Brazil.
PV Portfolio · 17.82 MWp
Electrical works for the construction and commissioning of a 17.82 MWp portfolio of photovoltaic power generation plants.
Queen Elizabeth II Reservoir
Installation of a large-scale floating solar PV system on the Queen Elizabeth II Reservoir in Surrey, covering approximately 57,000 m² and comprising 23,046 solar panels.
Railway Projects Overview
Our portfolio spans different railway systems, technical requirements and operating environments, reflecting our ability to work across interconnected disciplines and respond to the specific demands of each project. With the readiness to mobilise quickly and adapt to unexpected challenges and demanding conditions, we contribute to the development, restoration and upgrade of railway infrastructure that supports safe, reliable and efficient transport.

Project Portfolio
Each project represents a distinct achievement, contributing to a solid track record that reflects STR POWER’s experience and enduring contribution to railway infrastructure. Together, these projects also tell a story of long-standing partnerships, built on mutual trust, shared commitment and successful delivery.
Domokos – Krannonas (Storm Daniel)
40 km of Signalling | 8 months | Full Scope (Turnkey)
Restoration and upgrade of the signalling and Overhead Catenary Line (OCL) systems, including new cable trenches, cable installation and termination, trackside equipment installation and commissioning, as well as dismantling of existing OCL equipment, construction of new foundations and installation of the upgraded catenary system. Successfully delivered within a highly demanding one-year timeframe.
Athens–Thessaloniki–Promachonas (90 km)
Restoration of the overhead contact line and signalling systems along the Athens – Thessaloniki - Promachonas railway section following the Tempi accident, including the reinstatement of critical railway infrastructure and systems.
2020–2021 · Thessaloniki Trains’ Depot
Electrical, mechanical and civil works at the Thessaloniki Trains’ Depot, including the installation of the railway electrification system as part of the depot’s infrastructure works.
2015 · Tithorea – Domokos
Installation, testing and commissioning of the Overhead Catenary System (OCS) for the new Tithorea–Domokos high-speed railway line. The scope of works also included the installation of signalling cables and trackside equipment, construction of signalling cable trenches, electrical works related to the signalling system, as well as the construction of cable routes and restoration of low-voltage cables.
2014 · Thriassio – Aspropyrgos
Repair works on the railway signalling system along the Thriassio–Aspropyrgos section, contributing to the restoration of the existing signalling infrastructure.
2008 · SKA – KIATO
Construction works for the Overhead Catenary System (OCS) of the new SKA–Kiato railway line, supporting the development of the electrification infrastructure along this railway section.