The development prospect of distributed energy resources predicts that the poten
发布时间：2018-01-24
Distributed Energy Resources refers to a comprehensive Energy utilization system Distributed at the user end. It is a system that determines unit allocation and capacity scale by optimizing Resources, environment and economic benefits. It pursues the maximization of terminal energy utilization efficiency, adopts demand-responsive design and modular combination configuration, which can meet various energy needs of users and optimize and integrate the supply and demand of resource allocation. Distributed energy now includes natural gas, biomass, solar, wind, Marine and other forms of energy.
Distributed energy relies on advanced information technology, and adopts intelligent, networked control and remote control technology to realize unattended process on site. At the same time, it also relies on the systematic social energy technology service system of energy service companies to realize the professional operation of investment, construction, operation and management to ensure the safe and reliable operation of each energy system.
There are many opportunities and driving forces for the development of natural gas distributed energy system in China. The biggest hurdle is the power grid, but the problem is technically solvable and the institutional hurdles will be swept away by the government's determination to promote distributed energy.
Overall, China's energy structure is still dominated by raw coal. In 2016, energy consumption totaled 4.36 billion tons of standard coal, up 1.4% over the previous year. Coal consumption fell by 4.7%, and coal consumption accounted for 62.0% of total energy consumption, which was too high. In 2017, the government work report set the goal of optimizing the energy mix and reducing the share of coal consumption by 2 percentage points.
China's Energy consumption Structure from 2011 to 2017 (unit: %)
Source: Prospective Industry Research Institute, National Bureau of Statistics
Natural gas is a clean fossil energy, which can effectively reduce pollution and environmental ecological pressure. By using natural gas instead of coal and reducing coal combustion by 1 ton, soot, SO212.8kg and NOX9.08kg can be reduced by 19.5kg, SO212.8kg and NOX9.08kg, and PM2.5 emission from natural gas combustion is almost zero.
In recent years, China has strengthened the development of natural gas, shale gas and coalbed methane. Experts believe that China's long-term energy development pattern is to vigorously develop natural gas and solar photovoltaic as the main distributed energy, forming distributed energy and coal, other renewable resources in the world.
Fundamentally, the solution to environmental pollution, energy conservation and emission reduction depends on energy replacement and technological progress. According to the successful experience all over the world, the only way to solve the urban environmental problems is to change the fuel structure. Through large-scale conversion of natural gas as the basic energy of the city, directly replacing coal is the breakthrough point to solve the problems.
Distributed energy potential market at home and abroad is very broad, including residential buildings, public building energy efficiency, the old power plants and heating plant equipment update and scale transformation, with a high load density data center, district heating and cooling energy, industrial and economic development zone center, such as application scope extend in the two levels of miniaturization and scale, to play a greater social benefit.
China is in the process of industrialization and urbanization, which is conducive to the simultaneous implementation of regional master planning and distributed energy planning, the construction of more regional or large-scale distributed energy systems, give play to the scale benefits of distributed energy, and provide more favorable conditions for the realization of energy conservation and emission reduction targets.
