TERNA ENERGY

TERNA ENERGY

TERNA ENERGY S.A.

Athens, Greece

WindSolarHydroBiogasEnergy Storage
Founded 1997
Profile last updated: April 25, 2026

About

Founded in 1997, TERNA ENERGY is a renewable energy company headquartered in Athens, Greece specializing in Wind, Solar, Hydro.

TERNA ENERGY is a Greek renewable energy company founded in 1997 and a member of the GEK TERNA Group. It develops, builds and operates renewable energy projects, including wind parks, small hydroelectric plants, solar, biogas and pumped storage projects, with a presence in Greece and abroad. The company has been listed on the Athens Stock Exchange since 2007. Masdar acquired 100% of the company, completing the acquisition on 10 April 2025. The company states a target of 6 GW of RES plants by 2029.

Headquarters

Athens, Greece

Founded

1997

Focus areas

wind energyhydroelectricsolar energypumped storagebiogasrenewable energyGreeceRES

Products & services

Business models

IPP

Value chain

Development

Service areas (1)

  • Renewable energy development and production

    Development and production of clean energy through wind, hydro, solar, biogas and storage projects.

Locations

Headquarters

Mesogeion Avenue 85, 115 26, Athens, Greece

Service regions

GreecePolandBulgariaUnited States

Projects

4

Kafireas Wind Project

Onshore wind farm

Wind project described as a case study in Greece's wind potential, expected to cover the needs of 226,000 households and avoid 1,017,600 tonnes of CO2 emissions.

Greece

Ai Stratis Energy-Independent Island

Hybrid wind, solar and energy storage

Hybrid wind, photovoltaic and battery storage system intended to make Ai Stratis the first energy-independent island in Greece.

Greece

Amfilochia Pumped Storage

Under ConstructionPumped storage hydro

Large pumped storage project reported to be in full progress.

Greece

Aghios Georgios Island Wind Park

Onshore wind farm

Onshore wind park on Aghios Georgios Island, described as the first onshore wind park in Greece with features resembling an offshore wind farm.

Greece

Credentials & affiliations

Certifications

ISO 27001:2022

Issued by: Not stated

Industry memberships

Hellenic Association of Renewable Energy Electricity Producers

People

Management & team (2)

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