Aoos
Location: Ioannina (EP)
Operator: Public Power Corp
Configuration: 2 X 115 MW Pelton
Operation: 1990-1991
T/G supplier: Vevey, Metka, Alsthom-Jeumont
Quick facts: This project (also called Pigai Aoos) is on the Aoos River in the Pinde mountains. The project has a 74m high, 300m long earthfill dam, a 3km, 3.5m diameter pressure tunnel with surge tank, an 1,100m penstock and an underground powerhouse with two vertical-shaft, six-nozzle Pelton turbines. The electromechanical contract was awarded at the end of 1986.

Photograph courtesy of Public Power Corp
Posted 22 Mar 2006

Ghiona
Location: Fokis (GC)
Operator: PPC Renewables SA
Configuration: 1 X 8.5 MW Francis
Operation: 1985
T/G supplier: Voest, Alsthom-Jeumont
EPC: Kalfas

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Gitani
Location: Thesprotia (EP)
Operator: Diekat Energy
Configuration: 2 X 2.1 MW S-turbine
Operation: 2006
T/G supplier: Voith, Siemens
EPC: Voith
Quick facts: This SHP is 49% owned by PPC. It is in Sagaida municipality on the the Kalamas River flow. Average annual power production is 17.5 GWh.

Glafkos
Location: Achaea (GW)
Operator: Public Power Corp
Configuration: 1 X 2.3 MW Francis, 1 X 1.4 MW Pelton
Operation: 1997
T/G supplier: Sulzer

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Kastraki
Location: Aitolia & Akarnania (GW)
Operator: Public Power Corp
Configuration: 4 X 80 MW Francis
Operation: 1969
T/G supplier: BLH, Hitachi
EPC: Archirodan

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Kremasta
Location: Aitolia & Akarnania (GW)
Operator: Public Power Corp
Configuration: 4 X 109 MW Francis
Operation: 1966-1967
T/G supplier: AC, GE
EPC: ECI, Athena
Quick facts: This is a 160m high, 456m long earthfill, clay-core  dam on the middle reach of the Acheloos River, the largest of its kind in Europe. Construction started in 1961. Seven months after the reservoir was filled, a moderate earthquake occurred in the area.  This has been attributed to induced seismic activity.

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Louros
Location: Preveza (EP)
Operator: Public Power Corp
Configuration: 2 X 2.5 MW, 1 X 5.3 MW Francis
Operation: 1954-1964
T/G supplier: Escher Wyss, Ganz, Oerlikon, Elin

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Messochora
Location: Thessaloniki (MC)
Operator: Public Power Corp
Configuration: 2 X 81 MW Francis
Operation: 2010
T/G supplier: CKD, Koncar
EPC: PPC, Athena SA, Metka, Koncar
Quick facts: The contract for Messochora was bid in Mar 1994 and the contracts were signed in May 1996. The project was mechanically complete in Jan 2001, but has not yet been commissioned due to legal issues. The Messochora Dam is a concrete-faced, rockfill structure 150m high with a crest length of 350m. The site is on the upper reaches of the Acheloos River.

Photograph courtesy of Koncar
Posted 2 Dec 2009

Plastira
Location: Karditsa (TS)
Operator: Public Power Corp
Configuration: 3 X 43 MW, 1 X 5.3 MW Pelton
Operation: 1960-1962
T/G supplier: Neyrpic, Alsthom
Quick facts: Named after Nikolaos Plastiras, a prominent military officer and Prime Minister after World War II. He first proposed the dam in 1925. The site is at about 1,000m elevation.

Photograph courtesy of Public Power Corp
Posted 25 Mar 2006

Platanovrisi
Location: Drama (MT)
Operator: Public Power Corp
Configuration: 2 X 61 MW Francis
Operation: 1999
T/G supplier: LMZ, Siemens
EPC: AEGEK, Hidrogranja, ASI
Quick facts: This 95m RCC dam was the first of its kind in Greece and the largest in Europe at completion. The plant cost 25bn drachmas.  Fly ash from the lignite-fired power plants in Ptolemaida was used in the RCC mix.

Photograph courtesy of AEGEK
Posted 25 Mar 2006

Polyphyton
Location: Kozani (MW)
Operator: Public Power Corp
Configuration: 3 X 125 MW Francis
Operation: 1974-1975
T/G supplier: Neyrpic, Alsthom-Jeumont
EPC: Electrowatt, Lahmeyer
Quick facts: This powerhouse is fed from a 105m high, 297m long rockfill dam on the Aliakmon River.

Photograph courtesy of Public Power Corp
Posted 26 Mar 2006

Pournari
Location: Arta (EP)
Operator: Public Power Corp
Configuration: 3 X 103 MW Francis, 2 X 15 MW bulb
Operation: 1981-1998
T/G supplier: Energomash, Electrosila, Hydroenergo
EPC: HPI, Archirodon
Quick facts: 102m sand and gravel-fill dam

Photograph courtesy of Public Power Corp
Posted 8 Jul 2001

Smokovo
Location: Karditsa (TS)
Operator: PPC Renewables SA
Configuration: 1 X 3.3 MW, 1 X 7.1 MW Francis
Operation: 2008
T/G supplier: Alstom
EPC: Alstom, Poseidon SA
Quick facts: Smokovo is at the the end of the Leontari Tunnel downstream of the Smokovo Dam in Tamassios municipality.

Stratos
Location: Aitolia & Akarnania (GW)
Operator: Public Power Corp
Configuration: 2 X 75 MW Francis, 2 X 3.35 MW S-Turbine
Operation: 1988-1989
T/G supplier: Litostroj, Koncar, Voest, Alsthom-Jeumont
EPC: Torno
Quick facts: Construction started in 1981. This is a 26m high, 1,900m long earthfill dam with a clay core.

Photograph by D Zekkos and courtesy of Geoengineer
Posted 25 Mar 2006

Theodoriana
Location: Arta (EP)
Operator: Michaniki SA
Configuration: 1 X 1.3 MW, 1 X 2.6 Francis
Operation: 2003
T/G supplier: Voith Siemens
EPC: REProS, Michaniki
Quick facts: This was one of the first hydro IPP plants in Greece. The EPC contract included two horizontal Francis turbines, two synchronous generators, three butterfly valves, and the installation of an automation system including governor oil units.

Photograph courtesy of Voith Siemens Hydro
Posted 8 Nov 2003