The curtailment paradox in the transition to high solar power systems

Frew, Bethany; Sergi, Brian; Denholm, Paul; Cole, Wesley; Gates, Nathaniel; Levie, Daniel; Margolis, Robert

doi:10.1016/j.joule.2021.03.021

Cited by 63 publications

(20 citation statements)

References 50 publications

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“…While the uptick in land-based curtailment with increasing offshore wind injection is unsurprising, this pattern might not continue to be the case as PV penetration increases and renewable energy and energy storage is allowed to provide operating reserves (Frew et al 2021).…”

Section: Summary Resultsmentioning

confidence: 99%

Evaluating the Grid Impact of Oregon Offshore Wind [Slides]

Novacheck

Schwarz

2021

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Section: Summary Resultsmentioning

confidence: 99%

Evaluating the Grid Impact of Oregon Offshore Wind [Slides]

Novacheck

Schwarz

2021

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“…The concentration of large capacities in the north of Europe with long distances to other consumers are likely to be challenging to integrate into the European energy system and could lead to strong curtailments. Although economic curtailment could be system serving by ensuring grid reliability, excessive curtailments can affect the financial viability of renewable energy projects [53], which has been experienced in the past in European [54] and Chinese [55,56] regions. Since grid integration costs can roughly double the cost of wind farms depending on the distance to transformers and consumers [9], this criterion should be considered in future studies for both historical analysis and future expansion of onshore wind.…”

Section: Discussionmentioning

confidence: 99%

Historic drivers of onshore wind power siting and inevitable future trade-offs

Weinand

Naber

McKenna

et al. 2022

Environ. Res. Lett.

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The required acceleration of onshore wind deployment requires the consideration of both economic and social criteria. With a spatially explicit analysis of the validated European turbine stock, we show that historical siting focused on cost-effectiveness of turbines and minimization of local disamenities, resulting in substantial regional inequalities. A multi-criteria turbine allocation approach demonstrates in 180 different scenarios that strong trade-offs have to be made in the future expansion by 2050. The sites of additional onshore wind turbines can be associated with up to 43% lower costs on average, up to 42% higher regional equality, or up to 93% less affected population than at existing turbine locations. Depending on the capacity generation target, repowering decisions and spatial scale for siting, the mean costs increase by at least 18% if the affected population is minimized – even more so if regional equality is maximized. Meaningful regulations that compensate the affected regions for neglecting one of the criteria are urgently needed.

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“…It can often be a measure of system flexibility (i.e., the ability to shift energy production to better match system demand and vice versa (Frew et al 2021), but curtailment increases system cost because higher-cost generators are used instead of full PV utilization. Curtailment, specifically PV curtailment, is an increasingly common occurrence, with levels of curtailment depending on a host of factors, including operational parameters like transmission constraints, level of PV penetration, and system flexibility (Frew et al 2021). In this study, we examined potential curtailment reduction as a function of system type and transmission capacity.…”

Section: Key Takeawaysmentioning

confidence: 99%

Enabling Floating Solar Photovoltaic (FPV) Deployment: Exploring the Operational Benefits of Floating Solar-Hydropower Hybrids

Gadzanku

Lee

Dyreson

2022

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Southeast Asian countries are taking significant steps to meet growing energy needs while reducing the carbon footprints of their power sectors. The adoption of renewable energy, including floating solar photovoltaic (FPV) systems, can help diversify power generation mixes and strengthen energy security. FPV systems offer a renewable option to help meet demand and lessen land-use conflicts, as well as other oft-cited co-benefits. Additionally, Southeast Asia is still experiencing some of the fastest electricity demand growth rates in the world even with a reduction in overall electricity demand due to the ongoing COVID-19 pandemic (International Energy Agency 2020).This report explores the potential value that hybrid FPV-hydropower systems can provide for power systems. We model an example hybrid FPV-hydropower system to quantify the operational benefits that hybridization may provide. Using hourly time-series solar resource and seasonal resource data for a typical hydropower plant, we quantify the potential curtailment reduction, transmission utilization, and changes in seasonal and diurnal electricity generation for the hybrid FPV system. Results (summarized in Table ES 1) suggest that depending on the seasonality of hydropower resources, FPV system size, and transmission capacity, hybridizing FPV with hydropower could reduce PV curtailment and lead to more optimal use of limited water resources.

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The curtailment paradox in the transition to high solar power systems

Cited by 63 publications

References 50 publications

Evaluating the Grid Impact of Oregon Offshore Wind [Slides]

Evaluating the Grid Impact of Oregon Offshore Wind [Slides]

Historic drivers of onshore wind power siting and inevitable future trade-offs

Enabling Floating Solar Photovoltaic (FPV) Deployment: Exploring the Operational Benefits of Floating Solar-Hydropower Hybrids

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