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Modelling BESS Revenue Under Germany’s Flexible Connection Agreements
Date & Time
September 16, 2026 12:15 PM - 12:30 PM
TrackAsset Management
TypePresentation
Germany’s FCAs are reshaping how storage projects get built and financed, with four main types used to manage congestion: time-based/scheduled constraints, event-based constraints, ramp rate and ancillary service restrictions, and wholesale/order book schedule freezes
Uses Gridcog modelling data to show the real revenue impact of these constraints on a standalone 50MW/2hr BESS and a co-located BESS plus solar project, comparing scenarios across constraint types and severities (e.g. 1%, 5% and 10% ramp limits, plus scheduled and event-based restrictions)
Aimed at developers, IPPs, investors and asset managers who need bankable numbers for BESS projects constrained by FCAs
Grid congestion and FCAs aren’t unique to Germany: dynamic operating envelopes in Australia and active network management in GB show how other markets are solving the same underlying problem in different ways
