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Akköprü Dam and Hydroelectric Power Plant

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Akköprü Dam and Hydroelectric Power Plant

Country

Türkiye

Province

Muğla

District

Köyceğiz

River

Dalaman Çayı

Dam Type

Rockfill Dam

Dam Height

162 metres

Embankment Volume

13 million m³

Reservoir Volume

419 million m³

Flood Control Capacity

5 million m³

Hydroelectric Power Plant Capacity

115 MWe

Annual Average Generation

248.5 million kWh

Number of Turbines

2

Turbine Type

Vertical Shaft Francis

Net Head Height

73-100.5 metres

Number of Households Supplied with Electricity

78.904

Purpose of Use

Agricultural irrigation (121,240 dekar area)

2% Flood control

98% Energy production

Water Storage Date

27 March 2011

First Turbine Commissioned

14 February 2012

Second Turbine Commissioned

March 29, 2013

Annual Agricultural Income Increase

630 million 448 thousand TL

Contribution to the National Economy

104 million TL per year

Contribution from Renewable Energy

carbon-free energy production

Akköprü Dam and Hydroelectric Power Plant (HES) is located within the boundaries of Muğla province in Türkiye’s Aegean Region, on the Dalaman River. The dam is the largest in the Aegean Region by embankment volume and the ninth largest in the country.


Akköprü Dam and Hydroelectric Power Plant (HES) - General Directorate of State Hydraulic Works

Structural and Technical Features

  • Embankment Type: Rockfill
  • Embankment Volume: Approximately 13 million cubic meters
  • Dam Height: 162 meters
  • Reservoir Volume: 419 million cubic meters
  • Hydroelectric Power Plant Capacity: 115 MWe
  • Number of Turbines: 2
  • Turbine Type: Vertical Axis Francis
  • Net Head Height: 73–100.5 meters

Electricity Generation

Akköprü HES has an annual electricity generation capacity of approximately 248.5 million kWh. This output is sufficient to meet the daily energy needs of about 75,090 people. When considering household consumption alone, the plant can supply the energy needs of 78,904 households.

Purpose and Benefits of the Dam

  • Energy Production: Makes a significant contribution to Türkiye’s electricity demand.
  • Flood Control: Protects the Dalaman and Ortaca plains as well as Dalaman Airport from flooding.
  • Agricultural Irrigation: Water from the dam enables irrigation of 121,240 decares of agricultural land in the Dalaman Plain. This is projected to generate an annual agricultural income of 630 million 448 thousand TL, with a net income increase of 5,200 TL per decare.
  • Environmental Benefits: Provides environmentally friendly energy production as a renewable energy source.

Operation and Privatization Process

Akköprü HES is operated by Elektrik Üretim A.Ş. (EÜAŞ) and was included in the privatization program in 2017 under the financial advisory of Türkiye Development and Investment Bank. As of 2024, it is planned to be privatized through the “Granting of Operating Rights” method for a period of 49 years.


The Akköprü Dam and Hydroelectric Power Plant is a multi-purpose project that contributes significantly to the regional economy and Türkiye’s energy needs through electricity generation, agricultural irrigation and flood prevention. Alongside the privatization process, it offers investors a significant opportunity in the renewable energy sector.

Bibliographies

Devlet Su İşleri Genel Müdürlüğü. *Ege’nin Devi Üç Sektörde Hizmet Veriyor*. Accessed March 13, 2025.https://dsi.gov.tr/.

Meteoroloji Genel Müdürlüğü. *Dalaman Akköprü Barajı ve Hidroelektrik Santrali Açıldı*. May 27, 2011. Accessed March 13, 2025.https://mgm.gov.tr/.

SY Grup. *Akköprü HES*. 2025. Accessed March 13, 2025.http://www.sygrup.com.tr/

Türkiye Kalkınma ve Yatırım Bankası. Akköprü Hidroelektrik Santrali Özelleştirme İhalesi Kısa Tanıtım Dokümanı. April 2024. Accessed March 13, 2025.

Author Information

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AuthorNurten YalçınJuly 14, 2026 at 5:47 PM

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Contents

  • Structural and Technical Features

  • Electricity Generation

  • Purpose and Benefits of the Dam

  • Operation and Privatization Process