A story of innovation and growth, since 1995
STE Energy was formed in 1995, at a crucial time for energy transition and rapidly became one of Italy’s leading players in the construction of turnkey plant. Soon, the Company also expanded onto the international market, achieving highly ambitious objectives. Today, as an EPC contractor, STE Energy offers integrated solutions for renewable energy and guarantees the highest standards of engineering, management, safety, efficiency and maintenance, working side by side with the key players of the energy transition.Together, we look to the future of renewable energy, growing and innovating day by day.
1998
First renewable energy plant as EPC contractorBelgiardino, Italia
2005
First HV substation with GIS technologyChiburgo, Cile
2010
Substation for Terna, as EPC contractorAriano Irpino, Italia
2015
120 MW hydroelectric plant, as EPC contractorMisicuni, Bolivia
2022
Reached 2 GW of renewable energy systems connected worldwide
2023
First HV substation serving a BESS (Battery Energy Storage System)Alessandria, Italia
2024
N. 2 BESS completed as EPCAvetrana, ItaliaPantelleria, Italia
2025
EPC "Cabina Primaria" first of its kind in ItalyCastegnero, Italia
TodayWe look to the future of renewable energy in Italy and worldwide empowered by our assets
know-how
people
30 years for renewable energy
ENGINEERING & CONSTRUCTION
+2 GW
renewableplants
+70
HV substations
+500
solar & storageprojects
OPERATION & MAINTENANCE
+1 GW
portfolio
+100
projects
24/7
remotecontrol service
SERVICES & DIGITAL SOLUTIONS
+500
CCIdelivered
+200
HVdynamic models
e-guardian
softwareplatform
"We play an important role in the energy transition, working for the development and management of an electricity system entirely powered by renewable sources, for a more sustainable, modern and future-oriented world for the sake of our children." Stefano Maria Stella – Managing Director
