Ekibastuz GRES-2 Power Station

The GRES-2 Power Station (or Power Station Ekibastuz) is a coal-fueled power generating station in Ekibastuz, Kazakhstan. GRES-2, commissioned in 1987, has an installed capacity of 1,000 MWe and has the world's tallest flue-gas stack at 419.7 metres (1,377 ft) tall. The reinforced concrete chimney is about 40 m (130 ft) taller than the Inco Superstack in Sudbury, Ontario, Canada. It is the tallest chimney ever built.

Ekibastuz GRES-2 Power Station
A very tall stack
The GRES-2 Power Plant in Ekibastuz, Kazakhstan
CountryKazakhstan
LocationEkibastuz
Coordinates52°1′26.3″N 75°28′34.5″E
Commission date1987
Owner(s)Inter RAO UES (50%)
Government of Kazakhstan (50%)
Thermal power station
Primary fuelCoal
Power generation
Units operational2 × 500 MWe
Nameplate capacity
  • 1,000 MW
External links
Websitewww.gres2.kz
CommonsRelated media on Commons

The power station is the start of the Powerline Ekibastuz–Kokshetau and uses a transmission voltage of 1,150 kVAC, the highest transmission voltage in the world. The extension of this line to Chelyabinsk in Russia is also designed for 1,150 kV, but it currently operates at only 500 kV. About 3/4 of the energy produced by GRES-2 was exported to Russia.

Fifty percent of GRES-2 shares are owned by Inter RAO UES, and fifty percent by Kazakhstan's government.

Individual units

The planned capacity of 4,000 MWe is to be provided by eight equal units, 500 MWe each.

  • Unit 1 was launched into service in December 1990.
  • Unit 2 was launched into service in December 1993.
  • Construction of Unit 3 was started in 1990 but later stopped.

See also
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