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Uniper brings Heyden 4 back onto the market

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World Coal,

Uniper's Heyden 4 hard-coal-fired power plant in Petershagen, near Minden, will again produce electricity for the market from 29 August 2022 and probably until 30 April 2023. The deployment of the 875-megawatt unit is part of the ‘Ersatzkraftwerkebereithaltungsgesetz’, which serves to secure Germany's energy supply in the coming winters. Should the deadlines of this law be extended, Heyden 4 could remain on the market for another year.

The envisaged operation of Heyden 4 will be restricted due to limitations on the rail transportation capacity of hard coal to the site, which might get lifted once additional transportation capacity becomes available.

Uniper can revoke the decision to return to the market at any time with four weeks' notice. A prerequisite for use is also the activation of at least the alert level in the federal government's gas emergency plan, which is currently the case. Since mid-2021, Heyden 4 has supported the electricity system as a reserve power plant, but has not produced any electricity for the market. At the end of 2020, Uniper had ended commercial operation of the power plant as part of its decarbonisation plan, which envisages carbon neutrality in European electricity generation by 2035. On 1 June 2021, the German regulator Bundesnetzagentur had certified the power plant to be “systemically relevant” and thus necessary for the secure supply of the region. Otherwise, Uniper would have shut down the power plant permanently on 8 July 2021.

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