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Demand Response (DR) is one of the typical methods for optimizing load characteristics in power systems. Utilities offer DR schemes to generate incentives toward consumers’ power consumption behavior for load optimization. In tariff planning, power consumption variation is an important issue which is difficult to be analyzed quantifiably. This paper develops a boundary model for analyzing consumers’...
Regulation model selection is the core issue of electric market-oriented reform. Based on evaluating two typical regulation models (ROR and RPI-X), the paper proposed the PCM regulation for China electricity market. Using the PCM regulation, the paper emphasizes research on the quantitative relation between price level and uplift, and forecasts the uplift with Static Statistic Method and Random Production...
Price cap is indispensable to a modern competitive electricity market. As a matter of fact, price capping cannot suppress price fluctuation and evade the market risks effectively. The paper proposes a new price ceiling model, profit capping model (PCM), based on profit space theory in electricity market. Under such a model, peak load units have the same profit uplift as base load ones, but their sunk...
With the developing of the worldwide reform of electricity market, the participants of the market have been encountering unprecedented market risk, especially huge financial risk evoked by the price fluctuations. Although nearly everybody pays attention to the phenomenon of price spiking in electricity markets, there is little clear analysis. Based on the actual historical bid data of Zhejiang electricity...
Market monitoring has been identified as a basic function in the deregulated electricity environment. In order to supervise power suppliers' bidding behaviors and abuse of market power, three surveillance indices are put forward in this paper, including capacity price index (CPI), bidding difference degree (BDD) and out-of-merit capacity index (OCI). CPI is defined as price-weighted sum of normalized...
To avoid suppliers abusing market power and reduce the financial risk of power purchasers, it is necessary to set up a rational price cap for the markets employing single-buyer model. System surplus capacity percent (SCP) is firstly put forward to reflect the condition of the electricity supply and demand. Based on the historical data of the Zhejiang electricity market in China, the relationship between...
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