Hydro power flexibility for power systems with variable renewable energy sources: An IEA Task 25 collaboration

Daniel Huertas-Hernando (Corresponding Author), Hossein Farahmand, Hannele Holttinen, Juha Kiviluoma, Erkka Rinne, Lennart Söder, Michael Milligan, Eduardo Ibanez, Sergio Martín Martínez, Emilio Gomez-Lazaro, Ana Estanqueiro, Luis Rodrigues, Luis Carr, Serafin van Roon, Antje Gesa Orths, Peter Børre Eriksen, Alain Forcione, Nickie Menemenlis

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Abstract

Hydro power is one of the most flexible sources of electricity production. Power systems with considerable amounts of flexible hydro power potentially offer easier integration of variable generation, e.g., wind and solar. However, there exist operational constraints to ensure mid-/long-term security of supply while keeping river flows and reservoirs levels within permitted limits. In order to properly assess the effective available hydro power flexibility and its value for storage, a detailed assessment of hydro power is essential. Due to the inherent uncertainty of the weather-dependent hydrological cycle, regulation constraints on the hydro system, and uncertainty of internal load as well as variable generation (wind and solar), this assessment is complex. Hence, it requires proper modeling of all the underlying interactions between hydro power and the power system, with a large share of other variable renewables. A summary of existing experience of wind integration in hydro-dominated power systems clearly points to strict simulation methodologies. Recommendations include requirements for techno-economic models to correctly assess strategies for hydro power and pumped storage dispatch. These models are based not only on seasonal water inflow variations but also on variable generation, and all these are in time horizons from very short term up to multiple years, depending on the studied system. Another important recommendation is to include a geographically detailed description of hydro power systems, rivers' flows, and reservoirs as well as grid topology and congestion.
Original languageEnglish
Article numbere220
JournalWiley Interdisciplinary Reviews: Energy and Environment
Volume6
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017
MoE publication typeA1 Journal article-refereed

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Rivers
river flow
hydrological cycle
congestion
Electricity
Topology
topology
electricity
Economics
inflow
weather
methodology
renewable energy source
Water
economics
modeling
simulation
Uncertainty
water
recommendation

Cite this

Huertas-Hernando, Daniel ; Farahmand, Hossein ; Holttinen, Hannele ; Kiviluoma, Juha ; Rinne, Erkka ; Söder, Lennart ; Milligan, Michael ; Ibanez, Eduardo ; Martínez, Sergio Martín ; Gomez-Lazaro, Emilio ; Estanqueiro, Ana ; Rodrigues, Luis ; Carr, Luis ; van Roon, Serafin ; Orths, Antje Gesa ; Eriksen, Peter Børre ; Forcione, Alain ; Menemenlis, Nickie. / Hydro power flexibility for power systems with variable renewable energy sources : An IEA Task 25 collaboration. In: Wiley Interdisciplinary Reviews: Energy and Environment. 2017 ; Vol. 6, No. 1.
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abstract = "Hydro power is one of the most flexible sources of electricity production. Power systems with considerable amounts of flexible hydro power potentially offer easier integration of variable generation, e.g., wind and solar. However, there exist operational constraints to ensure mid-/long-term security of supply while keeping river flows and reservoirs levels within permitted limits. In order to properly assess the effective available hydro power flexibility and its value for storage, a detailed assessment of hydro power is essential. Due to the inherent uncertainty of the weather-dependent hydrological cycle, regulation constraints on the hydro system, and uncertainty of internal load as well as variable generation (wind and solar), this assessment is complex. Hence, it requires proper modeling of all the underlying interactions between hydro power and the power system, with a large share of other variable renewables. A summary of existing experience of wind integration in hydro-dominated power systems clearly points to strict simulation methodologies. Recommendations include requirements for techno-economic models to correctly assess strategies for hydro power and pumped storage dispatch. These models are based not only on seasonal water inflow variations but also on variable generation, and all these are in time horizons from very short term up to multiple years, depending on the studied system. Another important recommendation is to include a geographically detailed description of hydro power systems, rivers' flows, and reservoirs as well as grid topology and congestion.",
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Huertas-Hernando, D, Farahmand, H, Holttinen, H, Kiviluoma, J, Rinne, E, Söder, L, Milligan, M, Ibanez, E, Martínez, SM, Gomez-Lazaro, E, Estanqueiro, A, Rodrigues, L, Carr, L, van Roon, S, Orths, AG, Eriksen, PB, Forcione, A & Menemenlis, N 2017, 'Hydro power flexibility for power systems with variable renewable energy sources: An IEA Task 25 collaboration', Wiley Interdisciplinary Reviews: Energy and Environment, vol. 6, no. 1, e220. https://doi.org/10.1002/wene.220

Hydro power flexibility for power systems with variable renewable energy sources : An IEA Task 25 collaboration. / Huertas-Hernando, Daniel (Corresponding Author); Farahmand, Hossein; Holttinen, Hannele; Kiviluoma, Juha; Rinne, Erkka; Söder, Lennart; Milligan, Michael; Ibanez, Eduardo; Martínez, Sergio Martín; Gomez-Lazaro, Emilio; Estanqueiro, Ana; Rodrigues, Luis; Carr, Luis; van Roon, Serafin; Orths, Antje Gesa; Eriksen, Peter Børre; Forcione, Alain; Menemenlis, Nickie.

In: Wiley Interdisciplinary Reviews: Energy and Environment, Vol. 6, No. 1, e220, 01.01.2017.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Hydro power flexibility for power systems with variable renewable energy sources

T2 - An IEA Task 25 collaboration

AU - Huertas-Hernando, Daniel

AU - Farahmand, Hossein

AU - Holttinen, Hannele

AU - Kiviluoma, Juha

AU - Rinne, Erkka

AU - Söder, Lennart

AU - Milligan, Michael

AU - Ibanez, Eduardo

AU - Martínez, Sergio Martín

AU - Gomez-Lazaro, Emilio

AU - Estanqueiro, Ana

AU - Rodrigues, Luis

AU - Carr, Luis

AU - van Roon, Serafin

AU - Orths, Antje Gesa

AU - Eriksen, Peter Børre

AU - Forcione, Alain

AU - Menemenlis, Nickie

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