Since June 2025, STE Energy has been acquired by 𝐀𝐥𝐭𝐞𝐧𝐢𝐚, becoming part of the 𝐓𝐞𝐫𝐧𝐚 𝐄𝐧𝐞𝐫𝐠𝐲 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 world. Starting from July 1st, the merger process by incorporation of STE Energy by Altenia will be finalised, therefore this page will no longer be active.
For any information and to stay up-to-date on our activities, we invite you to follow the Altenia profile and the website. 

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With more than two hundred systems implemented over the past years in Italy and abroad, and with its branch offices located in various countries, STE Energy today is a major contractor in the field of Renewables Energy and Electricity Infrastructures.

STE Energy was established in 1995 in Padua, Italy. It develops, designs, builds and manages energy production plants, especially hydroelectric, solar and wind as a general contractor. It also builds hydrogen power-to-power (P2P) and power-to-gas (P2G) hydrogen systems and BESS (Battery Energy Storage Systems) all around the world.

Thanks to collaboration with important research centres and partnerships with leading global suppliers, STE energy is able to carry out the engineering for preliminary and final projects, water pipes and electromechanical works, to build civil engineering projects and to build, assemble, and to start up plants and systems, while ensuring quality, performance and especially efficiency.



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