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Modern House with a Pool

About Us

Group Theta, headquartered in Heraklion, Crete, is a dynamically expanding group active in the fields of Construction, Real Estate, and Renewable Energy. With a history spanning over 40 years and more than 150 corporate entities under its umbrella, Group Theta delivers high-impact projects in Greece and abroad.

Our energy division, Theta Energy, leads the development of solar, wind, and hydroelectric energy projects, as well as energy storage systems. Since 2006, we have commissioned projects totaling over 1.5 GW, with an additional 1.5 GW under development, aiming for 10 GW by 2030.

With a strong presence in Lamia, Athens, and international markets such as Turkey and Germany, we specialize in fast-track permitting, strategic investments, and the integration of innovative technologies, including green hydrogen and modular nuclear reactors.

Driven by innovation, technical precision, and a sense of responsibility, we are investing today in the energy of tomorrow.

Athens Headquarters

128 Alexandras Avenue

Athens, Greece, 114 71

+30 22310 39701

Crete Office

10A Ikarou Heraklion

Crete, Greece, 713 06

+30 2810 336163

Lamia Branch

51 Mitropolitou Damaskinou,
Lamia, Greece, 351 00
+30 22310 39701

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Photovoltaic Worker 4254171.jpg

Athens Headquarters

128 Alexandras Avenue

Athens, Greece, 114 71

+30 22310 39701

Crete Office

10A Ikarou Heraklion

Crete, Greece, 713 06

+30 2810 336163

Lamia Branch

51 Mitropolitou Damaskinou,
Lamia, Greece, 351 00
+30 22310 39701

  • LinkedIn
  • Instagram
  • Facebook
  • X
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