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Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali

Gas power plant in Tekirdag, Turkey. Approximate location 41.0072, 27.9736.

GasTekirdagTurkey

Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali is a 478 MW gas power station in Tekirdag, Turkey. It is operated by Uni-Mar Enerji. Based on its capacity (estimated), it can supply roughly 538k homes (estimated). It ranks #172 of 502 Turkey power plants by installed capacity. In context, gas supplies about 22.1% of Turkey's electricity; the national grid averages 475 gCO₂/kWh (43.3% low-carbon) (2025).

478Legacy source-record capacity
538,364homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1018768.

Data status

Known data

FacilityUnimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali WRI
CountryTurkey · Tekirdag WRI
Coordinates41.0072, 27.9736 WRI
FuelGas WRI
MW installed capacity478 MW WRI source record; scope not independently normalised
OwnerUni-Mar Enerji WRI

Calculated from dataset

CO₂ emissions753,710 t CO₂/yr calculated
Capacity rank in country#172 of 502 calculated
Fuel-specific rank in country#47 of 142 calculated
Capacity vs country/fuel peers2.66× · 180 MW median · 142 peers calculated
Homes-powered equivalent538,364 calculated
Climate13.6°C · HDD 2,037 derived from coordinates
Environmental severityC4 · 39/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 478 MW, Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali is well above the median gas plant in Turkey (180 MW). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest gas plants in Turkey

Enka Gebze power station: 1,600 MW2kEnka Gebze…Enka Gebze Doğalgaz Santrali: 1,595 MW2kEnka Gebze…Enka İzmir Doğalgaz Santrali: 1,580 MW2kEnka İzmir…Enka İzmir power station: 1,580 MW2kEnka İzmir…Bandırma power station: 1,543 MW2kBandırma p…Bursa Doğalgaz Santrali: 1,432 MW1kBursa Doğa…Bursa B power station: 1,432 MW1kBursa B po…Bursa B power station: 1,432 MW1kBursa B po…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Uni-Mar Enerji.

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a hot-summer Mediterranean climate (Köppen Csa) — Northern Hemisphere, latitude 41.0°N — which shapes how much energy it can produce and how its output varies through the year.

13.6°Cannual mean temp
2,037heating degree-days (base 18°C)
442cooling degree-days (base 18°C)
96 melevation

Monthly mean temperature

J: 5 °CJF: 5 °CFM: 7 °CMA: 12 °CAM: 16 °CMJ: 20 °CJJ: 23 °CJA: 23 °CAS: 20 °CSO: 15 °CON: 10 °CND: 7 °CD23 °C

Heating degree-days here run 17% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 44/100 — this site sits in the mid third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~0% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
39/100environmental-severity index
18.4°Cseasonal temperature swing
34 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #47 largest gas power plant of 142 in Turkey by capacity.

Turkey has 142 gas power plants in this dataset, together about 57,910 MW of capacity.

Nearby power plants

Location

Coordinates 41.0072, 27.9736 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali?

Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali is a 478 MW source-record gas power plant in Tekirdag, Turkey.

How many homes can Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali power?

Its output is enough to supply roughly 538,364 homes (estimated).

Who operates Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali?

Unimar Marmara Ereğlisi Doğalgaz Kombine Çevrim Santrali is operated by Uni-Mar Enerji.

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