Development of an Instantaneous Reserve Market and Storage Park Based on Inertia Safety Levels

This paper introduces an instantaneous reserve (IR) market to meet the demand for IR at a low cost. It provides initial insights into trading prices that will emerge in the new electricity market. The German power plant park is used as the basis for the methodology of the day-ahead market and the new IR market. Taking load and generation forecasts into account, a new storage park is optimized for the IR market. The hourly security level has a significant influence on the size and costs of the IR market. It is shown that wind turbines with storage systems, synchronous condensers as well as battery storage systems can benefit from this market. In addition, forecasts for future IR requirements and the associated storage costs are presented.