Agios Dimitrios Power Station

Agios Dimitrios Power Station is a power plant located near Agios Dimitrios, Kozani, Greece, situated between the towns of Kozani and Ellispontos village. In terms of its location in relation to a metropolis, the plant lies 140 kilometres (87 mi) west of Thessaloniki, a major city in northern Greece. The Agios Dimitrios Power Station was the largest of Greece's power plants, generating a total capacity of 1,600 MW from two 300 MW units (Units I and II), two 310 MW units (Units III and IV), and one 365 MW unit (Unit V). In terms of physical size, the three flue gas stacks of the facility are 200 metres (660 ft) tall. The plant burned lignite extracted through opencast mining, a process undertaken at the Lignite Center of Western Macedonia, which is located in the Ptolemais-Amynteo region, the main coal mining area of Greece. It was shut down in 2026. The station is owned by the Public Power Corporation (PPC).

Unit V was added to the existing four units of the Agios Dimitrios plant to be connected to the 400 kV outdoor switchgear, to increase the supply energy to the Greek national transmission grid. It is a unit of 350 MW electric, plus 70 MW thermal for district heating purposes. In 1993, PPC awarded the contract for the supply and installation of Unit V to the consortium of the companies Ansaldo GIE (consortium leader – Italy, at present (2008) Ansaldo Energia a Finmeccanica Company), Austrian Energy and Environment SGP/Waagner-Biro GmbH (Austria) and AEGEK (Greece). Main steps of the contract execution were:

cooling tower completion – November 1995 6 kV initial electrification – August 1996 boiler first ignition – February 1997 unit first synchronization – May 1997 official opening – October 1997 commercial operation – December 1997 In May 1995, a 6.6 Mw earthquake shook the area with a maximum Mercalli intensity of VIII (Severe), which affected the progress of the work. In the region, twenty-five people were injured, and damage was valued at $450 million.

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