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Title:
 
From Day-Ahead PV Forecast to PV Regulation: Imbalance Mitigation Strategies for the Italian Case Study
 
Author(s):
 
M. Pierro, R. Perez, M. Perez, D. Moser, C. Cornaro
 
Keywords:
 
PV Power Forecast, Photovoltaic Penetration, Net Load Forecast, Power Imbalance
 
Topic:
 
PV Applications and Integration
Subtopic: PV Driven Energy Management and System Integration
Event: 36th European Photovoltaic Solar Energy Conference and Exhibition
Session: 6CO.16.2
 
Pages:
 
1719 - 1724
ISBN: 3-936338-60-4
Paper DOI: 10.4229/EUPVSEC20192019-6CO.16.2
 
Price:
 
 
0,00 EUR
 
Document(s): paper
 

Abstract/Summary:


This study deals with the increase of power imbalance and its related cost due to the growth of solar penetration. We applied state-of-the-art day-ahead solar and load forecast models to predict residual load of Italy. Using these models and real data provided by the Italian TSO, we suggest and test different imbalance mitigation strategies and we compute the resulting imbalance volume and cost at different PV penetration levels. We show how the imbalance can be set to a fixed value regardless of PV installed capacity, allowing for a massive solar penetration. The strategies consists in: (1) Improving the accuracy of PV and residual load power forecast (2) Enlarging the footprint of the forecast controlled area; (3) Implement PV imbalance regulation through flexible PV power plants based on battery energy storage systems (BESS) and pro-active curtailment able to adapt the PV generation to the predicted profile.