Abstract
Blockchain technology provides a comprehensive solution to user access and energy trading for distributed energy Internet. Achieving market-based pricing, increasing the earnings of energy suppliers, attracting foreign capital and facilitating the upgrade of solar and wind energy are pressing issues. Drawing on the practices of centralised exchanges and blockchain cryptocurrency, the author designed the Cryptocurrency Energy Trading Platform (CETP), dividing the permissioned blockchain into the Energy Blockchain Platform (EBP) and the Energy Cryptocurrency Exchange (ECE). The frequently used real-time bidding scenario and the seldom-used power-using scenario are separated from each other. A market welfare model for real-time bidding is established and verified. With Energy Blockchain Cryptocurrency (EBC) as the trading medium, the platform allows external bidders to get involved in the bidding and transactions, which not only attracts the social capital to be used in the development of energy Internet but also helps stabilise the energy market prices, thus, advancing the energy Internet.
Highlights
China’s energy is mainly composed of five types of energy sources: fire power, water conservancy, nuclear power, wind power and solar energy, as shown in Figure 1, of which thermal power generation occupies a dominant position
Cryptocurrency Energy Trading Platform (CETP) decomposes electricity trading and bidding in the traditional energy internet, using the main grid for power transmission, reducing the construction cost of shared facilities and encouraging energy users to get involved in the bidding
The consumer costs are shown below: CCik = αi ETi + β i VCi + γi EPVi + δi SECi + μi where αi, β i, γi, δi are the coefficients of different consumers, μi is the random disturbance parameter and CCik is the price at which consumer i purchases power from the main grid
Summary
China’s energy is mainly composed of five types of energy sources: fire power, water conservancy, nuclear power, wind power and solar energy, as shown in Figure 1, of which thermal power generation occupies a dominant position. Using 2016 data as the base, solar and wind energy are growing rapidly, far exceeding thermal power and hydropower. The annual growth rate of thermal power and hydropower is below 5%, and the annual growth rate of solar and wind power is more than 10%. In the current electricity market, the grid-connected electricity price of solar and wind energy is not market-oriented. The grid-connected price of solar and wind energy cannot change due to fluctuations in market demand and inability to buy clean energy at low prices. The grid-connected electricity price of solar and wind energy in the current electric power market is not marketoriented. The grid-connected price cannot change with fluctuations in market demand, and at the same time, electricity consumers cannot purchase clean energy at low prices.
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