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This paper introduces a new approach to quantify the impact of forward propagated demand and weather uncertainty on power system planning and operation models. Recent studies indicate that such sampling uncertainty, originating from demand…

应用统计 · 统计学 2020-11-17 Adriaan P Hilbers , David J Brayshaw , Axel Gandy

Photovoltaic (PV) power forecasting plays a critical role in power system dispatch and market participation. Because PV generation is highly sensitive to weather conditions and cloud motion, accurate forecasting requires effective modeling…

人工智能 · 计算机科学 2026-04-07 Hang Fan , Haoran Pei , Runze Liang , Weican Liu , Long Cheng , Wei Wei

A novel approach for dynamic modeling and forecasting of realized covariance matrices is proposed. Realized variances and realized correlation matrices are jointly estimated. The one-to-one relationship between a positive definite…

统计方法学 · 统计学 2019-02-18 Nicole Barthel , Claudia Czado , Yarema Okhrin

This article presents factor copula approaches to model temporal dependency of non-Gaussian (continuous/discrete) longitudinal data. Factor copula models are canonical vine copulas which explain the underlying dependence structure of a…

统计方法学 · 统计学 2025-02-18 Subhajit Chattopadhyay

The correlations of multiple renewable power plants (RPPs) should be fully considered in the power system with very high penetration renewable power integration. This paper models the uncertainties, spatial correlation of multiple RPPs…

最优化与控制 · 数学 2017-07-04 Chenghui Tang , Yishen Wang , Jian Xu , Yuanzhang Sun , Baosen Zhang

Quantile regression, that is the prediction of conditional quantiles, has steadily gained importance in statistical modeling and financial applications. The authors introduce a new semiparametric quantile regression method based on…

统计方法学 · 统计学 2016-11-17 Daniel Kraus , Claudia Czado

Rising penetration levels of (residential) photovoltaic (PV) power as distributed energy resource pose a number of challenges to the electricity infrastructure. High quality, general tools to provide accurate forecasts of power production…

机器学习 · 计算机科学 2020-10-16 Elizaveta Kharlova , Daniel May , Petr Musilek

In this paper we propose a flexible class of multivariate nonlinear non-Gaussian state space models, based on copulas. More precisely, we assume that the observation equation and the state equation are defined by copula families that are…

统计方法学 · 统计学 2019-11-04 Alexander Kreuzer , Luciana Dalla Valle , Claudia Czado

We propose a novel distributional regression model for a multivariate response vector based on a copula process over the covariate space. It uses the implicit copula of a Gaussian multivariate regression, which we call a ``regression…

统计方法学 · 统计学 2024-03-06 Nadja Klein , Michael Stanley Smith , David Nott , Ryan Chisholm

Photovoltaic systems have been widely deployed in recent times to meet the increased electricity demand as an environmental-friendly energy source. The major challenge for integrating photovoltaic systems in power systems is the…

机器学习 · 统计学 2018-02-13 Reza Zafarani , Sara Eftekharnejad , Urvi Patel

We propose a dependence-aware predictive modeling framework for multivariate risks stemmed from an insurance contract with bundling features - an important type of policy increasingly offered by major insurance companies. The bundling…

统计方法学 · 统计学 2023-10-17 Peng Shi , Zifeng Zhao

Scenario-based probabilistic forecasts have become vital for decision-makers in handling intermittent renewable energies. This paper presents a recent promising deep learning generative approach called denoising diffusion probabilistic…

机器学习 · 计算机科学 2023-08-22 Esteban Hernandez Capel , Jonathan Dumas

With the recent interest in net-zero sustainability for commercial buildings, integration of photovoltaic (PV) assets becomes even more important. This integration remains a challenge due to high solar variability and uncertainty in the…

系统与控制 · 计算机科学 2018-08-28 Chaitanya Poolla , Abraham K. Ishihara

In multivariate time series, the estimation of the covariance matrix of the observation innovations plays an important role in forecasting as it enables the computation of the standardized forecast error vectors as well as it enables the…

统计方法学 · 统计学 2008-02-04 K. Triantafyllopoulos

We discuss a concept denoted as Conformal Prediction (CP) in this paper. While initially stemming from the world of machine learning, it was never applied or analyzed in the context of short-term electricity price forecasting. Therefore, we…

计量经济学 · 经济学 2020-11-17 Christopher Kath , Florian Ziel

Probabilistic models are often used to make predictions in regions of the data space where no observations are available, but it is not always clear whether such predictions are well-informed by previously seen data. In this paper, we…

机器学习 · 统计学 2026-02-24 Kurt Butler , Guanchao Feng , Tong Chen , Petar Djuric

With the growing number of forecasting techniques and the increasing significance of forecast-based operation - particularly in the rapidly evolving energy sector - selecting the most effective forecasting model has become a critical task.…

系统与控制 · 电气工程与系统科学 2024-10-24 Fabian Backhaus , Karoline Brucke , Peter Ruckdeschel , Sunke Schlüters

The increasing penetration level of energy generation from renewable sources is demanding for more accurate and reliable forecasting tools to support classic power grid operations (e.g., unit commitment, electricity market clearing or…

机器学习 · 计算机科学 2020-07-17 Michela Moschella , Mauro Tucci , Emanuele Crisostomi , Alessandro Betti

This paper investigates whether structural econometric models can rival machine learning in forecasting energy--macro dynamics while retaining causal interpretability. Using monthly data from 1999 to 2025, we develop a unified framework…

计算金融 · 定量金融 2026-01-28 Fredy Pokou , Jules Sadefo Kamdem , Kpante Emmanuel Gnandi

Accurate prediction of non-dispatchable renewable energy sources is essential for grid stability and price prediction. Regional power supply forecasts are usually indirect through a bottom-up approach of plant-level forecasts, incorporate…

信号处理 · 电气工程与系统科学 2026-02-24 Eloi Lindas , Yannig Goude , Philippe Ciais