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Nováky Brown Coal Power Plant

About power plant

The Nováky power plant is located in the town of Zemianske Kostoľany in the district of Prievidza. Electricity and heat generation from lignite ended on December 20, 2023. A new phase, new challenges and new opportunities await the power plant. The infrastructure it offers is promising for renewables as well as other sectors.
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Deeper insight

History
Technical parameters

1949

Construction start

1953

Launching the first boiler and turbogenerator into operation

1964

Launching Units 1 and 2 of ENO B into operation

1965

Accident of ash disposal site barrier

1976

Launching Units 3 and 4 of ENO B into operation

1987

Launching thermal feeder to Prievidza into operation

1994

Completion of refurbishment and upgrade of Unit 1 and 2 of ENO B

1996

Launching TG 11 of ENO A into operation

1996

Launching FK 1 of ENO A into operation

1999

Launching desulphurisation of Units 1 and 2 of ENO B into operation

2003

Launching of heat supply from ENO B to ENO A into operation

2003

Launching TG 12 of ENO A into operation

2007

Launching reverse osmosis on DEMI station into operation

2008

Launching sewage water treatment plant into operation

2008

Gypsum suspension dewatering

2009

Interconnection of Units 3 and of ENO B to ENO A in 2.1 MPa steam

2010

Reconstruction of oil management of Units 3 and 4 of ENO B and of ENO A

2010

Reconstuction of Unit 2 of ENO B control system

2011

Reconstuction of Unit 1 of ENO B control system

2011

Automatization of central ash silos and ash extraction from ENO B

2011

Start of co-combustion of biomass and coal in fluidised bed boiler in FK 1 ENO A

2012

Original deposit site recultivation and environmental burdens sanation

2013

Units 1, 2 and 3 ENO B, desulphuration and FK 1 common overhaul, antifire measurements at coal handling

2013

Decommissioning of TG 3 with 32 MW output

2014

FK 1 and TG 11 control system modernisation

2014

Key units procurement of Units 1 and 2 ENO B modernisation

2014

Barrier enhancement at Chalmová Definitive deposit site

2015

Units 1 and 2 ENO B modernisation; shut down of units 3 and 4 (31 December 2015)

2023

End of electricity and heat production from lignite
ENO A and ENO B basic capacities

Installed heating:
1 358 MWt
Installed electric:
266 MW
of which:

ENO A
46 MW
ENO B
220 MW
Commissioned

ENO A
1953-1957, 1996, 2003
ENO B
1964 (units 1 & 2) 1976 (units 3 & 4)*
Calorific value of fuel used

Brown coal and lignite from Slovak coal mines
10,5 MJ/kg
Heavy heating oil
41,6 MJ/kg
Heating capacity of boilers

ENO A K1, K2 po
77 MWt
Fluidised-bed boiler FK1
98 MWt
ENO B K1, K2 po
269 MWt
K3 a K4 po
284 MWt
Turbo-generator capacities

ENO A TG 12
18 MW
TG 3 (desommissioned in 2014)
32 MW
TG 11
28 MW
ENO B Units 1, 2, 3, 4*
4 x 110 MW*
Prievidza heat feeder line parameters

Maximum heating capacity
137 MWt
Output circulating water temperature
150 °C
Return circulating water temperature
70 °C
Neutral point pressure
1,5 Mpa
ENO A exchanger station consists of:

1 basic heater

2 peak heaters

The circulating water is provided by three circulating-water pumps.

**units 3 & 4 at ENO B shut down on 31 December 2015

(C) 2026 Slovenské Elektrárne. All rights reserved.
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