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Demand Response (DR) is a promising solution to deal with supply/demand imbalances in the power systems. To appreciate the availability of DR, it is important to include end user behavior in the analysis. In this paper, a model that can generate representative occupancy profiles in single office rooms is presented. The used method is non-homogeneous Markov chain modeling, along with exploratory data...
In order to limit the environmental impact of electricity production, renewable energy sources are expected to expand significantly. The current grid and production structure are not designed to absorb such quantities of intermittent power output and smart grids can provide promising solutions, like demand response. This paper presents the technical advantages of managing flexible demand through Aggregators...
In a spot market, price prediction plays an indispensable role in maximizing the benefit of a producer as well as optimizing the utility of a consumer. This paper develops a seasonal ARIMA model with exogenous variables (SARIMAX) to predict day-ahead electricity prices in Elspot market, the largest day-ahead market for power trading in the world. Compared with the basic ARIMA model, SARIMAX has two...
In this paper, a load reduction Aggregator participating on the Swedish Peak Power Reserve (PPR) market was analyzed. The load reduction was provided by electric heating systems in larger dwellings (e.g., office buildings). Two simulation models were developed to assess the market performance of the Aggregator. From the simulation results it was concluded that the PPR market was not optimal for the...
This work is aimed at studying the profitability of Household DSM which is a Demand Response (DR) solution aiming at providing power margins to the non-automatic Balancing Market (BM) by load-shedding of domestic electric heaters. After a large literature review aiming at better understanding the balancing market context in Europe, a deterministic model has been applied on the Swedish case in the...
The large scale deployment of distributed generation from renewable energy sources may undermine the network safe operation and may require network reinforcements. In order to avoid or postpone the infrastructural investments it is possible to exploit other resources. In this paper the operation of a load aggregator is simulated on the Swedish island of Gotland in different wind penetration condition...
There has been a large body of statements claiming that the large scale deployment of Distributed Energy Resources (DERs) will eventually reshape the future distribution grid operation in various ways. Thus, it is interesting to introduce a platform to interpret to what extent the power system operation will be alternated. In this paper, quantitative results in terms of how the future distribution...
Widespread adoption of onsite distributed generation providing households with their electricity supply could make them very significant actors in terms of their aggregated impact on the wider electric power system. This paper proposes an approach which brings community engagement to the case of distributed energy resource based electricity supply for urban residential buildings. Considering a future...
The concept of Aggregators is receiving large attention when new business cases for Smart grids are presented. Several studies propose different schemes of aggregating load and/or production. However, many of these studies are tailored for one specific market or network, making the generic value of the work small. The objective of the work presented in the paper is to analyze the fundamental needs...
Future powers system is considering huge flux of information flow due to increase in Renewable Energy Sources. Due to the limited monitoring and management of SCADA systems, inclusion of DER at local distribution level is a challenging task for the Smart Grid. We discuss the non-functional requirement aspects and their implication in trustworthy systems. The paper also illustrates an engineering approach...
Previous work has shown that it could be profitable on some control markets to use Plug-in Hybrid Electric Vehicles (PHEV) as control power resources. This concept, where battery driven vehicles such as PHEVs provide ancillary service to the grid is commonly referred to as Vehicle to Grid (V2G). The idea is to sell the capacity and energy of the parked PHEVs on the control market. Due to the fact...
Previous work has shown that it could be profitable on some control markets to use plug-in hybrid electric vehicles (PHEV) as control power resources. This concept, where battery driven vehicles such as PHEVs provide ancillary service to the grid is commonly referred to as Vehicle to Grid. The idea is to sell the capacity and energy of the parked PHEVs on the control market. Due to the fact that cars...
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