2019/06/18 by Ling Zhang, Zhang, Ling, Baosen Zhang +1
Computer Science · Engineering · #Energy Load and Power Forecasting #FOS: Electrical engineering #Image and Signal Denoising Methods #Signal Processing (eess.SP) #Solar Radiation and Photovoltaics #Systems and Control (eess.SY) #cs.SY #eess.SP #eess.SY #electronic engineering #information engineering
paper · pdf · doi:10.48550/arxiv.1906.07373
12 pages, 11 figures; Submitted to JSAC-Communications and Data Analytics in Smart Grid; Code available at https://github.com/zhhhling/June2019/
arxiv created 2019/06/18 · openalex publication_date 2019/06/18 · arxiv updated 2019/06/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Load forecasting is an integral part of power system operations and planning. Due to the increasing penetration of rooftop PV, electric vehicles and demand response applications, forecasting the load of individual and a small group of households is becoming increasingly important. Forecasting the load accurately, however, is considerable more difficult when only a few households are included. A way to mitigate this challenge is to provide a set of scenarios instead of one point forecast, so an operator or utility can consider a range of behaviors. This paper proposes a novel scenario forecasting approach for residential load using flow-based conditional generative models. Compared to existing scenario forecasting methods, our approach can generate scenarios that are not only able to infer possible future realizations of residential load from the observed historical data but also realistic enough to cover a wide range of behaviors. Particularly, the flow-based models utilize a flow of reversible transformations to maximize the value of conditional density function of future load given the past observations. In order to better capture the complex temporal dependency of the forecasted future load on the condition, we extend the structure design for the reversible transformations in flow-based conditional generative models by strengthening the coupling between the output and the conditional input in the transformations. The simulation results show the flow-based designs outperform existing methods in scenario forecasting for residential load by both providing more accurate and more diverse scenarios.