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Building and operating a grid stabilization plant

To ensure grid stability and security of supply, additional generation facilities ("special grid-related equipment in accordance with Section 11 (3) EnWG") are required as part of the Energiewende. EnBW is currently constructing such a grid stability facility at its power plant site in Marbach am Neckar. Following completion of the approval process in accordance with the Federal Immission Control Act (BImSchG) in July 2020, the plant is currently under construction. Due to delays, commissioning is targeted for 2023.

1. How is the power grid kept stable?
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2. How is security of supply guaranteed?
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3. Why are so-called grid stabilization plants needed in southern Germany?
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4. Aren’t there already enough conventional generation plants in southern Germany to guarantee grid stability?
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5. What is the difference between the existing reserve power plants and the new grid stabilization plants?
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6. How are the grid stabilization plants selected?
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7. What factors favor Marbach as the plant site?
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8. How big is the plant?
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9. How much is being invested?
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10. How often will the plant be started up?
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11. Why isn’t the gas turbine called an oil turbine if it is fired with oil?
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12. Is the new gas turbine intended to replace the old plants?
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13. What is happening to the existing plants on the site?
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14. What is the planned operating life of the new plant in Marbach?
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15. How much emissions will the planned plant produce?
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16. Why has light fuel oil been chosen for the fuel rather than gas?
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17. Will there be any impact on water resources?
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18. How will the oil be delivered?
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19. How noisy will it be?
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20. How long will the construction work last in Marbach?
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21. Can any disruption to Marbach’s infrastructure be expected during construction work?
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22. How can the public get involved?
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What is a grid stability plant?

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