Multi-timescale operations of nuclear-renewable hybrid energy systems for reserve and thermal product provision

Author:

Rahman Jubeyer1ORCID,Zhang Jie1ORCID

Affiliation:

1. The University of Texas at Dallas , Richardson, Texas 75080, USA

Abstract

In this paper, an optimal operation strategy of a nuclear-renewable hybrid energy system (N-R HES), in conjunction with a district heating network, is developed within a comprehensive multi-timescale electricity market framework. The grid-connected N-R HES is simulated to explore the capabilities and benefits of N-R HES of providing energy products, different reserve products, and thermal products. An N-R HES optimization and control strategy is formulated to exploit the benefits from the hybrid energy system in terms of both energy and ancillary services. A case study is performed on the customized NREL-118 bus test system with high renewable penetrations, based on a multi-timescale (i.e., three-cycle) production cost model. Both day-ahead and real-time market clearing prices are determined from the market model simulation. The results show that the N-R HES can contribute to the reserve requirements and also meet the thermal load, thereby increasing the economic efficiency of N-R HES (with increased revenue ranging from 1.55% to 35.25% at certain cases) compared to the baseline case where reserve and thermal power exports are not optimized.

Funder

Nuclear Energy University Program

Publisher

AIP Publishing

Subject

Renewable Energy, Sustainability and the Environment

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