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Author Inzunza, A.; Munoz, F.D.; Moreno, R.
Title Measuring the effects of environmental policies on electricity markets risk Type
Year 2021 Publication Energy Economics Abbreviated Journal Energy Econ.
Volume 102 Issue Pages 105470
Keywords CVaR optimization; Renewable portfolio standard; Carbon tax; Electricity generation planning; Power systems
Abstract This paper studies how environmental policies, such as renewable portfolio standards (RPS) and carbon taxes, might contribute to reducing risk exposure in the electricity generation sector. We illustrate this effect by first computing long-term market equilibria of the Chilean generation sector for the year 2035 using a risk-averse planning model, considering uncertainty of hydrological scenarios and fossil fuel prices as well as distinct levels of risk aversion, but assuming no environmental policies in place. We then compare these risk-averse equilibria to generation portfolios obtained by imposing several levels of RPS and carbon taxes in a market with risk-neutral firms, separately. Our results show that the implementation of both policies can provide incentives for investments in portfolios of generation technologies that limit the risk exposure of the system, particularly when high levels of RPS (35%) or high carbon taxes (35 $/tonCO2) are applied. However, we find that in the case of a hydrothermal system, the resulting market equilibria under RPS policies yield expected generation cost and risk levels (i.e. standard deviation of costs) that are more similar to the efficient portfolios determined using a risk-averse planning model than the ones we find under the carbon tax.
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Series Volume Series Issue Edition
ISSN 0140-9883 ISBN Medium
Area Expedition Conference
Notes WOS:000701843900013 Approved
Call Number UAI @ alexi.delcanto @ Serial 1481
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Author Nasirov, S.; Ciarreta, A.; Agostini, C.A.; Gutiérrez-Hita, C.
Title Distributed solar PV applications Type
Year 2024 Publication Frontiers in Energy Research Abbreviated Journal Front. Energy Res.
Volume 12 Issue Pages 1367587
Keywords distributed solar PV; power systems; PV integration; shading; optimization of solar power generation
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ISSN 2296-598X ISBN Medium
Area Expedition Conference
Notes WOS:001156678700001 Approved
Call Number UAI @ alexi.delcanto @ Serial 1937
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Author Verastegui, F.; Lorca, A.; Olivares, D.; Negrete-Pincetic, M.
Title Optimization-Based Analysis of Decarbonization Pathways and Flexibility Requirements in Highly Renewable Power Systems Type
Year 2021 Publication Energy Abbreviated Journal Energy
Volume 234 Issue Pages 121242
Keywords Power Systems; Planning Decarbonization; Flexibility Optimization; Sustainability; Renewable Energy
Abstract Several countries are adopting plans to reduce the contaminant emissions from the energy sector through renewable energy integration and restrictions on fossil fuel generation. This process poses important computational and methodological challenges on expansion planning modeling due to the operational details needed for a proper analysis. In this context, this paper develops a planning model including an effective representation of the operational aspects of the system to understand the key role of flexible resources under strong decarbonization processes in highly renewable power systems. A case study is developed for the Chilean power system, which is currently undergoing an ambitious coal phase-out process, including the analysis of a scenario that leads to a completely renewable generation mix. The results show that highly renewable generation mixes are feasible, but rely on an effective balance of the key flexibility attributes of the system including ramping, storage, and transmission capacities. Further, such balance allows for faster decarbonization goals to remain in a similar cost range, through the deployment of flexible capacity in earlier stages of the planning horizon.
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0360-5442 ISBN Medium
Area Expedition Conference
Notes WOS:000691804300015 Approved
Call Number UAI @ alexi.delcanto @ Serial 1398
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