Start-up costs of thermal power plants in markets with increasing shares of variable renewable generation

Schill, Wolf-Peter; Pahle, Michael; Gambardella, Christian

doi:10.1038/nenergy.2017.50

Cited by 105 publications

(55 citation statements)

References 59 publications

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“…It provides a wide range of data at one place, is easily accessible, clean and ready-to-use, permanently available and versioncontrolled. The large number of users -around 100, 000 unique visitors during 2017) -and, more importantly, the amount of research that makes use of OPSD -26 published papers by the time of writing since the go-live in late 2016, out of which 12 are published papers in high quality journals indexed in the SCI/SSCI [13,[40][41][42][43][44][45][46][47][48][49][50] and 14 in other journals, conference papers, books and grey literature [51][52][53][54][55][56][57][58][59][60][61][62][63][64] -suggest that the platform fulfils a need and provides value to electricity system modellers.…”

Section: Discussion and Outlookmentioning

confidence: 99%

“…For example, authors of this article have used European electricity models to analyse the impact of renewable energy transitions on various aspects of transmission networks, including congestion management [7], country-specific grid issues [8], European long-term transmission scenarios [9], merchant interconnectors [10] and unscheduled flows under market splitting [11]. Other analyses have focused on wholesale prices [12], the changing dispatch of thermal power plants [13], energy storage requirements [14], interactions of investments in transmission, storage and thermal plants [15], system effects of electric vehicles [16], or optimal configurations of 100% renewable electricity sectors and their respective transition pathways [17].…”

Section: Introductionmentioning

confidence: 99%

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Open Power System Data – Frictionless data for electricity system modelling

et al. 2019

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The quality of electricity system modelling heavily depends on the input data used. Although a lot of data is publicly available, it is often dispersed, tedious to process and partly contains errors. We argue that a central provision of input data for modelling has the character of a public good: it reduces overall societal costs for quantitative energy research as redundant work is avoided, and it improves transparency and reproducibility in electricity system modelling. This paper describes the Open Power System Data platform that aims at realising the efficiency and quality gains of centralised data provision by collecting, checking, processing, aggregating, documenting and publishing data required by most modellers. We conclude that the platform can provide substantial benefits to energy system analysis by raising efficiency of data pre-processing, providing a method for making data pre-processing for energy system modelling traceable, flexible and reproducible and improving the quality of original data published by data providers.

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Section: Discussion and Outlookmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Open Power System Data – Frictionless data for electricity system modelling

et al. 2019

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“…In the northern regions of China with about nearly 69% of RE capacities, there is a shortage of the flexible power units, and these flexibility sources are only less than 5 percent of the total regional capacity and coal-fired power plants account for about 63.3 percent [9,14], resulting in the curtailment of RE. Thus, the existing coal fired power plants in these areas may continue to play an important role in meeting the flexibility requirements posed by intermittent RE integration, and parts of units have to change their former base-and mid-load cycling patterns [15]. The flexibility augment of these thermal units may be a major strategy for the power system with few other flexible power units.…”

Section: Introductionmentioning

confidence: 99%

“…The flexibility augment of these thermal units may be a major strategy for the power system with few other flexible power units. change their former base-and mid-load cycling patterns [15]. The flexibility augment of these thermal units may be a major strategy for the power system with few other flexible power units.…”

Section: Introductionmentioning

confidence: 99%

The Strategies for Improving Energy Efficiency of Power System with Increasing Share of Wind Power in China

Zhao

Shen

2019

Energies

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Coal-fired power generation will dominate the electricity supply in China in the foreseeable future. Coal fired power units can play a crucial role in integrating intermittent wind energy and improving the overall energy efficiency of the power system. The integration benefits of wind power, along with the gains of high load rates of coal fired units, should be fully taken into account. An optimal model combining wind power and coal fired units is built to analyze the operational flexibility of coal fired units and the integration of wind power. Taking the coal fired units in North China Power Grid as an example, the dispatch costs and benefits are examined under the energy efficiency dispatch mode, in comparison with those under the fair dispatch rules and the installed capacity. The results show that increasing the flexibility of the power system under the energy efficiency dispatch mode may be the best choice for the power system with the high share of coal fired units to integrate more wind power, and that the units delivering flexibility services are financially influenced. The results also indicate that a certain amount of wind power curtailment may be reasonable, and that rational penalty rate and fees for the curtailment of wind power may help to optimize the operation of the power system and integrate more wind power. Based on these results, policy and strategy recommendations are proposed to promote the flexibility of coal fired units and change their operation mode and their dispatch mode in the power system.Energies 2019, 12, 2376 2 of 22 to integrate renewable energy, but hydroelectric generation is affected by the environment, seasons, etc. [7], and the capacity share of pumped-hydro energy storage stations is less than 9 percent of overall hydroelectric generation capacity in China [8]. Hydroelectric generation is also clean energy and is always granted priority dispatch. All these factors affect the flexibility services provided by the hydroelectric power units. China lacks flexibility sources for renewable energy integration, which are available in other countries with high share of renewable energy.Energies 2019, 12, x FOR PEER REVIEW 2 of 33 Hydropower and Gas-fired power stations are usually regarded as peak regulation sources or flexibility sources to integrate renewable energy, but hydroelectric generation is affected by the environment, seasons, etc. [7], and the capacity share of pumped-hydro energy storage stations is less than 9 percent of overall hydroelectric generation capacity in China [8]. Hydroelectric generation is also clean energy and is always granted priority dispatch. All these factors affect the flexibility services provided by the hydroelectric power units. China lacks flexibility sources for renewable energy integration, which are available in other countries with high share of renewable energy.

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“…6,7,8]. There are many ways of providing such flexibility, for example, flexible thermal genera-tors, various forms of energy storage 1 , demand-side measures, grid-connected electric vehicles, geographical balancing facilitated by transmission, as well as changes in design, siting, and dispatch of variable renewables [10].…”

Section: Introductionmentioning

confidence: 99%

Power-to-Heat for Renewable Energy Integration: Technologies, Modeling Approaches, and Flexibility Potentials

2017

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Start-up costs of thermal power plants in markets with increasing shares of variable renewable generation

Abstract: The main chapters 2 to 5 of this dissertation base on separate research papers. They are the result of collaborations between the author of the dissertation, his Post-Doc supervisor Michael Pahle, and other colleagues as indicated.

Cited by 105 publications

References 59 publications

Open Power System Data – Frictionless data for electricity system modelling

Open Power System Data – Frictionless data for electricity system modelling

The Strategies for Improving Energy Efficiency of Power System with Increasing Share of Wind Power in China

Power-to-Heat for Renewable Energy Integration: Technologies, Modeling Approaches, and Flexibility Potentials

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