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Native name
OAO Оптовая генерирующая компания № 1
OAO Optovaya Generiruyushchaya Kompaniya 1
Public (OAO)
Industry Power generation
Fate Merged into Inter RAO
Predecessor RAO UES
Successor Inter RAO
Founded 2005 (2005)
Defunct 2012
Headquarters Moscow, Russia
Key people
Boris Kovalchuck, (CEO)
Products Power and heat
Revenue Increase US$1.7 billion (2011)
Increase US$143.3 million (2011)
Number of employees
Parent Inter RAO
Website www.ogk1.com

The First Generation Company of the Wholesale Electricity Market (OGK-1) was a large Russian company formed by the merger of six electricity generation companies.


The company was established in 2005 by merging six power plants into one company. Before 1 July 2008, about 92% of the company's shares was owned by RAO UES, Russian state-controlled energy holding company. As a result of the electricity market reform, 43% of shares was transferred to the Federal Grid Company of Russia, 23% to RusHydro, and 34% was distributed to minority shareholders.

On March 17, 2009 the rights under 61,9% of voting shares were transferred to Inter RAO UES for 5 years with the right for extension for the same period. Starting from July 6, 2009 the powers of the sole executive body of OGK-1 were transferred to Inter RAO UES.[1] In 2012, OGK-1 was merged into Inter RAO.


OGK-1 operates following power stations:

  • Permskaya GRES – 2,400 MW,
  • Nizhnevartovskaya GRES – 1,600 MW
  • Iriklinskaya GRES – 2,430 MW
  • Kashirskaya GRES - 1,580 MW
  • Verkhne-Tagilskaya GRES – 1,497 MW
  • Urengoyskaya GRES - 24 MW.

The installed capacity of these power stations is about 9,500 MW. This comprises about 5.5% of the generating capacity of RAO UES.

The power output of the OGK-1 power plants in 2006 was around 48 TW.


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