Strategies for Continuous Balancing in Future Power Systems with High Wind and Solar Shares

Henrik Nordström*, Lennart Söder*, Damian Flynn, Julia Matevosyan, Juha Kiviluoma, Hannele Holttinen, Til Kristian Vrana, Adriaan van der Welle, Germán Morales-España, Danny Pudjianto, Goran Strbac, Jan Dobschinski, Ana Estanqueiro, Hugo Algarvio, Sergio Martín Martínez, Emilio Gómez Lázaro, Bri Mathias Hodge

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

20 Citations (Scopus)

Abstract

The use of wind power has grown strongly in recent years and is expected to continue to increase in the coming decades. Solar power is also expected to increase significantly. In a power system, a continuous balance is maintained between total production and demand. This balancing is currently mainly managed with conventional power plants, but with larger amounts of wind and solar power, other sources will also be needed. Interesting possibilities include continuous control of wind and solar power, battery storage, electric vehicles, hydrogen production, and other demand resources with flexibility potential. The aim of this article is to describe and compare the different challenges and future possibilities in six systems concerning how to keep a continuous balance in the future with significantly larger amounts of variable renewable power production. A realistic understanding of how these systems plan to handle continuous balancing is central to effectively develop a carbon-dioxide-free electricity system of the future. The systems included in the overview are the Nordic synchronous area, the island of Ireland, the Iberian Peninsula, Texas (ERCOT), the central European system, and Great Britain.

Original languageEnglish
Article number5249
JournalEnergies
Volume16
Issue number14
DOIs
Publication statusPublished - Jul 2023
MoE publication typeA2 Review article in a scientific journal

Funding

The work by H.N. and L.S. was funded by the Swedish Energy Agency (Energimyndigheten), project “Efficient handling of power system balance in a future with close to 100% renewable power”, project number 51292-1. The work by D.F. was funded by Sustainable Energy Authority of Ireland (SEAI). The work by J.K. was funded by Horizon Europe Project Mopo (grant agreement N°101095998). The work by S.M.M. and E.G.L. was partially funded by the Council of Communities of Castilla–La Mancha (Junta de Comunidades de Castilla–La Mancha, JCCM) through Project SBPLY/19/180501/000287; by the State Research Agency (Agencia Estatal de Investigación, AEI) and by the European Regional Development Fund (Fondo Europeo de Desarrollo Regional, FEDER) through project PID2021-126082OB-C21. This research was conducted as an international collaboration in IEA Wind TCP Task 25: Design and Operation of Energy Systems with Large Amounts of Variable Generation. H.N. and L.S. thank Matti Koivisto and Kaushik Das at DTU Wind and Energy Systems for their input on the article structure in the early phases of the work. H.N. and L.S. acknowledges the funding by the Swedish Energy Agency (project number 51292-1). J.K. acknowledges funding from Horizon Europe project Mopo (grant agreement N°101095998). This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the US Department of Energy (DOE) under contract no. DE-AC36-08GO28308. The views expressed in the article do not necessarily represent the views of the DOE or the US Government.

Keywords

  • balancing services
  • continuous balancing
  • frequency control
  • renewable power system
  • solar power
  • wind power

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