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3365. Modelling competetive pumped hydropower

Invited abstract in session WA-9: Decarbonized energy systems & markets, stream Energy Markets.

Wednesday, 8:30-10:00
Room: 10 (building: 116)

Authors (first author is the speaker)

1. Erik Bjørnerem
Electric Energy, NTNU

Abstract

Balancing increasing shares of variable renewable generation requires flexible technologies such as hydropower. However, hydropower representation is often oversimplified in current power system investment models, leading to an overestimation of the flexibility potential. More accurate representations are therefore required to correctly map the available resources. A common simplification is reservoir aggregation, which removes complexity added by reservoir couplings. This information becomes increasingly important for pumped hydropower operation, to account for individual reservoir capacity limits and flow constraints between reservoirs. Additionally, deterministic formulations do not account for any uncertainty or variation in inflow or the availability of wind and solar resources. This is crucial to include for systems with a high share of generation from variable renewable sources.

This work aims to combine techniques from power system investment models with hydropower operational models to more accurately represent the flexibility from pumped hydropower storage. This framework is then to be used to compare the viability of large-scale pumped hydropower storage in Europe to other storage solutions, such as battery or hydrogen storage, under different policy scenarios for carbon emissions.

Keywords

Status: accepted

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