Optimal energy and reserve scheduling of pumped-storage power plants considering hydraulic short-circuit operation

M. Chazarra, J.I. Pérez-Díaz, J. García-González

12th IEEE PowerTech Conference - PowerTech 2017, Manchester (United Kingdom). 18-22 junio 2017

Summary:

This paper presents a mixed-integer model for the hourly energy and reserve scheduling of a price-taker and closed-loop pumped-storage hydropower plant operating in hydraulic short-circuit mode. The plant participates in the spot market and in the secondary regulation reserve market, taking into account the regulation energy due to the real-time use of the regulation-up and -down reserves. The proposed model is used to compare the maximum theoretical income of the plant with and without considering hydraulic short-circuit operation. Numerical results demonstrate that the operation in hydraulic short-circuit mode could help significantly to enlarge the income of the power plant and that the secondary regulation reserve market might be the main source of revenue in a realistic setting characterized by a high level of renewable energy sources in the generation mix.

Keywords: Hydraulic short-circuit technology, pumped storage plant, secondary regulation service.

DOI: 10.1109/PTC.2017.7980869

Publication date: June 2017.

Citation:
Chazarra, M., Pérez-Díaz, J.I., García-González, J., Optimal energy and reserve scheduling of pumped-storage power plants considering hydraulic short-circuit operation, 12th IEEE PowerTech Conference - PowerTech 2017, Manchester (United Kingdom). 18-22 June 2017.

IIT-17-193A_abstract