Spitzenlastturbines

Spitzenlastturbines, often referred to as peaking turbines, are a type of power generation unit designed to operate intermittently to meet peak electricity demand. These turbines are characterized by their rapid start-up capabilities, allowing them to be brought online quickly when electricity consumption surges, typically during specific times of the day or in response to sudden increases in demand.

Unlike baseload power plants that operate continuously, Spitzenlastturbines are designed for flexibility rather than sustained high-volume production. Their primary function is to supplement the output of baseload and load-following power plants when demand exceeds their capacity. This ensures grid stability and prevents blackouts during periods of high electricity usage.

Commonly, gas turbines, particularly aero-derivative gas turbines, are employed as Spitzenlastturbines due to their inherent quick-start features and high power density. These turbines can reach full operating capacity within minutes. Combined cycle power plants can also be configured to include a Spitzenlastturbinen component, where the gas turbine operates independently during peak times and in conjunction with a steam turbine for greater efficiency when running for longer durations.

The economic rationale for using Spitzenlastturbines lies in their lower capital costs compared to continuously operating plants and their ability to provide necessary grid balancing. While their fuel consumption per unit of energy produced may be higher than baseload plants, their limited operating hours make them a cost-effective solution for meeting transient demand. Their operational flexibility is crucial for managing the variability of renewable energy sources like solar and wind power, which can fluctuate based on weather conditions.