Combined heat and power (CHP) upgrades in Germany

European energy giant EnBW will pilot switching a 114-year-old coal-fired waste incineration and district heating power plant in Stuttgart-Münster, Germany, to gas-fired technology while ensuring the regionally significant plant will be ready to combust hydrogen “as quickly and completely” as possible.

Siemens Energy on Nov. 17 sealed an agreement with the utility for an overall package that will ensure all systems at the conversion in Germany’s southwestern state of Baden-Württemberg will be designed “from the very beginning” to enable the natural gas project, which could be operational by 2026, to be fueled with hydrogen.

The task will involve installing two Siemens Energy 62-MW SGT-800 gas turbines to replace the Stuttgart-Münster combined heat and power (CHP) plant’s three coal boilers, as well as a downstream waste heat recovery system, the companies said in a joint statement on Thursday. “Pipelines, control systems, and boiler technology also have to be converted as quickly and easily as possible when green hydrogen is available,” said EnBW engineer Diana van den Bergh.

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