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Many countries have adopted renewable energy for reducing greenhouse gas emissions to address the challenges of global warming. Korea power utilities buy energy from renewable energy providers. Currently, energy providers contract with power utilities to sell energy from generating renewable energy providers their own. This paper describes solar energy management system for trading and monitoring...
There exists disagreement on how Demand Response (DR) programs should be designed. This is likely because people from different fields view DR differently. For example, some see DR as a mechanism to improve the economic efficiency of electricity markets while others see it as a new control variable that can enhance power system reliability and security. In this paper, we review the many options for...
Demand response (DR) is the outreach of demand side management (DSM) in competitive electricity markets. With price signals and incentive mechanisms, DR is crucial to both power system reliability and market efficiency. Based on DR research and experiences around the world, comprehensive research on DR in electricity markets is conducted, including its definition, classification, implementation mechanisms,...
This paper addresses implementation of Demand Response (DR) programs in competitive electricity markets. An overview of present status of the application of DR programs in major electricity markets is provided. In this paper, An objective-wised classification of DR measures is proposed which is rooted in practical DR experiences. Market opportunities and associated barriers are investigated. Further,...
This paper presents experiences from a pilot study focusing on daily demand response from households, utilizing smart metering, remote load control, pricing based on the hourly spot price combined with a time of day network tariff, and a token provided to the customers indicating peak hours. The observed demand response was 1 kWh/h for customers with standard electrical water heaters. By aggregating...
Energy resources management can play a very relevant role in future power systems in a SmartGrid context, with intensive penetration of distributed generation and storage systems. This paper deals with the importance of resource management in incident situations. The paper presents DemSi, an energy resources management simulator that has been developed by the authors to simulate electrical distribution...
In restructured power systems there are many independent players who benefit from Demand Response (DR). These include the Independent System Operator (ISO), distributors, retailers, and aggregators. This paper proposes a new concept- Demand Response eXchange (DRX)-in which DR is treated as a public good to be exchanged between DR buyers and sellers. Buyers need DR to improve the reliability of their...
Critical peak pricing (CPP) is an important means of demand response in electricity markets. As a flexible tariff mechanism, making rational CPP implementation strategies and selecting suitable critical days are crucial to its successful implementation. Based on an analysis of tariff scheme and implementation process of CPP, customer response to CPP is described by a price elasticity matrix of demand,...
Demand side real-time pricing (RTP) is a crucial measure of demand response (DR) in electricity markets. As an ideal retail tariff mechanism, price volatility risk of RTP can be rationally allocated among market participants by integrating various RTP-related hedge contracts. Based on RTP researches and experiences around the world, combining with random electricity price model, RTP-related hedge...
This paper describes the implementation and results of a field demonstration wherein residential electric water heaters and thermostats, commercial building space conditioning, municipal water pump loads, and several distributed generators were coordinated to manage constrained feeder electrical distribution through the two-way communication of load status and electric price signals. The field demonstration...
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