HODONIN POWER PLANT (Hodonin)

 thermal power station, coal-fired

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CEZ AS
The Hodonín Power Station is one of the oldest in the Czech Republic. It was built in two stages between 1951 and 1957. A suitable location was selected based on the local conditions near a lignite mine and the Morava River. In the 50’s, there was an absence of experience in using lignite with a 45% water content for pulverized-fuel burning. Therefore, the pre-drying and milling of lignite was tested simultaneously with preparation of design documentation of the power station. The technical problems were solved by the time the station was commissioned; however, the station still had to burn brown coal from the Sokolov region at some stages.

The power station was originally equipped with eight pulverized-fuel-fired boilers, each rated at 125 tons of steam per hour, and made by ZVU Hradec Králové. They worked in the block arrangement; the first unit consisting of four boilers and two 50 MW turbines commenced operations in 1954. These turbines, made by ?koda Pilsen, were the first 50 MW turbines ever installed in the then Czechoslovakia. In 1957, two more boilers with a 50 MW turbine commenced operations; the last two boilers with 55 MW turbines were put into operation in 1958. The Hodonín Power Station was then the largest electricity resource in the country, having a capacity of 205 MW. In 1966, the total capacity of the power station increased to 210 MW as a result of reconstructing two 50 MW and 55 MW turbo-generators to 55 MW. All turbines are condensing with once-through cooling. Boilers have also been modified to increase their output from 125 to 135 tons of steam per hour.

With time, new 100 MW and 200 MW units were constructed at other localities. Consequently, The Hodonín Power Station lost significance as an electricity supplier, and it was gradually modified to a heating station operation. In 1963, it already supplied heat in the form of steam to industrial enterprises and other customers in the town of Hodonín. In 1980, the TG4 turbine set was replaced by a 180 t/hr bleeder turbine with suppressed condensation. Similarly, the TG3 turbine was reconstructed in 1996. Its power decreased from 55 MW to 40 MW.
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