Small-Scale Flexibilities: Interfaces and coordination approaches for a complementary, market-based Redispatch

Abstract:
With the expansion of renewable energy and the growing number of prosumers who actively manage their consumption and feed-in, the demands on stable grid operation are increasing. In addition to expanding transmission and distribution grids, flexibility at the low-voltage level – such as electric vehicles, heat pumps, or household battery storage – could provide additional opportunities to manage temporary grid congestion. This article presents concepts for integrating small-scale flexibilities into the redispatch process, which were developed and tested within the “unIT-e²” real-world laboratory and piloted in small-scale applications. The focus is on a complementary, market-based redispatch model that could extend the cost-based process. The study aimed to make existing Redispatch 2.0 processes, formats, and systems applicable to small-scale flexibilities, particularly by adapting coordination processes between grid operators and market parties. A key focus was placed on designing suitable upstream and downstream processes to facilitate integration into existing structures.