According to the data released by the National Energy Administration on August 7, in the first half of this year, the newly added photovoltaic power generation capacity of the country was 3.3 million kilowatts, an increase of about 100% year-on-year. The data looks good, but if it is connected to the whole year, it will be connected to the grid. Compared with the expected target of more than 13 million kilowatts, there is no doubt that there is still a long way to go. Therefore, the National Energy Administration requires all parties to work together and cooperate closely to jointly promote the development of photovoltaic power generation and ensure the completion of the expected goals.
Among all parties, grid companies are at an important position. The industry has long argued that the power grid is an important link to promote the development of new energy. Perhaps because of this, the problems encountered in the development of new energy in recent years, such as public opinion has been hotly debated, the accounts are easy to count on the grid companies.
The so-called grid connection is difficult, in fact, including the three major links of large grid access, delivery and consumption. At the technical level, the worldwide problem of access and delivery is objective. This is due to the inherent randomness, volatility and intermittent nature of new energy sources such as photovoltaics, which will cause large-scale grid connection to impact the power grid.
The difficulty in the consumption link is not only affected by the macroeconomic situation, but also the shrinkage of the electricity market. The root cause lies in the reverse distribution of the load center and the power supply. To put it bluntly, it is a place with abundant wind and light resources. It is often underdeveloped and has low electricity consumption. In areas with developed economy and large electricity consumption, resources are relatively poor.
To solve this problem, we must rely on the development of large power grids. The characteristics of photovoltaic power generation and wind power determine that the utilization of wind and light resources will be more scientific only if consumption is achieved in a wider range. This means that to promote the optimal allocation of wind and light resources, it is necessary to vigorously promote the construction of UHV power grids with long distance, large capacity and low loss.
In recent years, the large power grid with UHV as the skeleton has shown an increasingly obvious and increasingly important role in the elimination of clean energy such as photovoltaic power generation and wind power. For example, in the vicinity of the northwest power transmission channel, a large number of photovoltaic power plants are gathered. Power grid enterprises should accelerate the development of large power grids and further contribute to optimizing energy structure and improving energy efficiency.
Of course, although the development of large power grids is an important way to solve the problem of consumption, the grid-connected consumption of new energy sources such as photovoltaics cannot be ignored. From the acceptance of grid-connected applications, the realization of grid-connected operations, the settlement of electricity sales, and the issuance of one invoice, PV development requires the support of grid companies. The cooperation of the grid companies has done a good job, and the road ahead for PV development will be smoother.
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