5,453 research outputs found

    ETS - NC

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    This code was developed to study the impact of the market stability reserve on the European Emission Trading System. It calculates an equilibrium between a representative price-taking agent on the ETS allowance auctions. The agent makes a trade-off between abatement and buying emission allowances, based on marginal abatement cost curves. It employs an iterative price-search algorithm based on ADMM to calculate this equilibrium iteratively. This allows considering a wide range of marginal abatement cost curves, which can be automatically calibrated to reproduce allowance prices post MSR reform (2019). The model allows studying the impact of emission allowance demand changes due to shocks, overlapping climate policies or EU ETS design changes as well as the impact of the convexity of the abatement cost curve. This specific implementation was used in the following paper: [1] K. Bruninx & Marten Ovaere, "COVID-19, Green Deal & the recovery plan permanently change emissions and prices in EU ETS Phase IV", Under review with Nature Communications, 2021. Available online: The solution procedure based on ADMM is detailed in: [2] Kenneth Bruninx, Marten Ovaere, Erik Delarue, "The long-term impact of the market stability reserve on the EU emission trading system," Energy Economics, Volume 89, 2020, art. no. 104746. The latest version of this code can be found on https://gitlab.kuleuven.be/UCM/ets-nc

    Active demand response with electric heating systems: Impact of market penetration

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    Active demand response(ADR)is a powerful instrument among electric demand side management strategies to influence the customers' load shape. Assessing the real potential of ADR programmes in improving the performance of the electric power system is a complex task, due to the strict interaction between supply and demand for electricity, which requires integrated modelling tools. In this paper an analysis is performed aimed at evaluating the benefits of ADR programmes in terms of electricity consumption and operational costs,both from the final user's and the overall system's perspective. The demand side technologies considered are electric heating systems (i.e. heat pumps and electric resistance heaters)coupled with thermal energy storage (i.e. the thermal mass of the building envelope and the domestic hot water tank). In particular, the effect of the penetration rate of ADR programmes among consumers with electric heating systems is studied. Results clearly show that increasing the number of participating consumers increases the exibility of the system and, therefore, reduces the overall operational costs. On the other hand, the benefit per individual participant decreases in the presence of more ADR-adherent consumers since a reduced effort from each consumer is needed. Total cost saving ranges at most between about 400€ to 200€ per participant per year for a 5% and 100% ADR penetration rate respectively.sponsorship: K. Bruninx and D. Patteeuw gratefully acknowledge the KU Leuven for funding this work in the framework of their PhD within the GOA project on a 'Fundamental study of a greenhouse gas emission free energy system'. E. Delarue is a research fellow of the Research Foundation - Flanders (FWO). The computational resources and services used in this work were provided by the Hercules Foundation and the Flemish Government - Department EWI. (KU Leuven)status: Publishe

    Risk-based constraints for the optimal operation of an energy community

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    sponsorship: This work was supported in part by the Strategic Basic Research (SBO) under Grant S006718N provided by the Research Foundation-Flanders (FWO), and in part by the University of Leuven's C2 Research Project C24/16/018 entitled "Energy Storage as a Disruptive Technology in the Energy System of the Future." Paper no. TSG-01833-2021. (Strategic Basic Research (SBO) by the Research Foundation-Flanders (FWO)|S006718N, University of Leuven's C2 Research Project|C24/16/018)status: Published onlin

    The Long-Term Impact of the Market Stability Reserve on the EU Emission Trading System

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    sponsorship: K. Bruninx is a post-doctoral research fellow of the Research Foundation - Flanders (FWO) at the University of Leuven and EnergyVille. His work was funded under postdoctoral mandates no. 12J3317N, sponsored by the Flemish Institute for Technological Research (VITO) and FWO, and no. 12J3320N, sponsored by FWO. The authors would like to thank H. Hoschle (VITO) for his advice on the ADMM algorithm. (Flemish Institute for Technological Research (VITO)|12J3317N, FWO, FWO|12J3320N)status: Publishe

    Integrated modeling of active demand response with electric heating systems coupled to thermal energy storage systems

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    Active Demand Response (ADR) can contribute to a more cost-efficient operation of, and investment in, the electric power system as it may provide the needed flexibility to cope with the intermittent character of some forms of renewables, such as wind. One possibly promising group of demand side technologies in terms of ADR are electric heating systems. These systems could allow to modify their electrical load pattern without affecting the final, thermal energy service they deliver, thanks to the thermal inertia in the system. One of the major remaining obstacles for a large scale roll-out of ADR schemes is the lack of a thorough understanding of interactions between the demand and supply side of the electric power system and the related possible benefits for consumers and producers. Therefore, in this paper, an integrated system model of the electric power system, including electric heating systems (heat pumps and auxiliary resistance heaters) subjected to an ADR scheme, is developed, taking into account the dynamics and constraints on both the supply and demand side of the electric power system. This paper shows that only these integrated system models are able to simultaneously consider all technical and comfort constraints present in the overall system. This allows to accurately assess the benefits for, and interactions of, demand and supply under ADR schemes. Furthermore, we illustrate the effects not captured by traditional, simplified approaches used to represent the demand side (e.g., price elasticity models and virtual generator models) and the supply side (e.g., electricity price profiles and merit order models). Based on these results, we formulate some conclusions which may help modelers in selecting the approach most suited for the problem they would like to study, weighing the complexity and detail of the model

    Interview with Kenneth Sprunt

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    Kenneth Sprunt was born in Wilmington in 1920, the third son of James Lawrence Sprunt. The Sprunts have a long history in and around Wilimington. His grandfather was a cotton merchant in the area and his great-great Uncle is the man for whom James Sprunt Community College is named for as well as the author of Chronicles of the Lower Cape Fear. Mr. Kenneth Sprunt relates his family history both before his birth and after. He spent three years in the Coast Guard during WWII primarily working on anti-submarine warfare in small boats

    The long-term impact of the market stability reserve on the EU Emission Trading System.

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    status: Published onlin

    Memorandum from Kenneth Iyeko

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    Memorandum from Kenneth Iyeko regarding establishment and support of the Japanese American Citizens' League at incarceration camps operated by War Relocation Authority.Personal correspondence, organizational records, government documents, publications, and other papers created or collected by Joseph R. Goodman documenting the forced removal and incarceration of Japanese Americans during World War II, as well as organized resistance to incarceration. Included in the collection are records of the Japanese Young Men's Christian Association and the Japanese American Citizens' League in San Francisco, including papers of the Japanese YMCA's executive secretary Lincoln Kanai; Sakai family papers; Goodman's correspondence to and from Japanese American incarcerees, organizations opposing forced removal and incarceration of Japanese Americans, the War Relocation Authority, and others; publications, photographs, and ephemera from the Topaz Relocation Center, where Goodman taught high school; War Relocation Authority records and publications; and newspaper clippings, pamphlets, and reports about forced removal and incarceration created by various government, religious, and civic organizations, in California and nationwide
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