Doesn't distributed photovoltaic projects take up the scale?

Doesn't a distributed photovoltaic project take up the scale? Before answering this question, let us first understand what distributed photovoltaics is.

First, the definition of distributed photovoltaic

The concept of distributed photovoltaics has been changing since its introduction.

According to the “Notice on the Interim Measures for the Management of Distributed Photovoltaic Generation Projects” (Guineng Xinneng (2013) No. 433) Document: Construction or operation at or near the user’s site, with the user’s own self- Photovoltaic power generation facilities characterized by the balanced regulation of distribution network systems. This is the initial definition of distributed photovoltaics.

In 2014, the National Energy Administration issued the Notice of the National Energy Administration on Further Implementing the Related Policies for Distributed Photovoltaic Power Generation (Guineng Xinneng [2014] No. 406). It states: “Distributed photovoltaics using building roofs and ancillary sites. For power generation projects, when the project is put on record, it is possible to select a mode of “spontaneous self-use, redundant power-on-grid” or “full-scale access to the Internet.” Build non-power consumption facilities such as agricultural greenhouses on the ground or use voltage levels of 35 kilovolts and below. Photovoltaic power plant projects connected to the power grid (66 kV in the northeast region and below), single project capacity of not more than 20,000 kilowatts, and power generation capacity mainly consumed in the grid-connected radio station area, including distributed photovoltaic power generation scale indicator management, implementation of local Photovoltaic power plant benchmarking feed-in tariff." This is an expanded definition.

Subsequently, the State Grid Corporation of China defined the distributed power in the “Notice of the State Grid Corporation of China on Printing and Distributing Distributed Power Supply Grid Service Management Rules” (National Grid Marketing [2014] No. 174) as:

The first type is a distributed power supply with a total installed capacity of no more than 6 megawatts connected to a voltage level of 10 kilovolts or less;

The second type: 35 kilovolt voltage level access, more than 50% of distributed power supply for self-use in the year; or 10 kilovolt voltage level access and the total installed capacity of a single grid point exceeds 6 megawatts, and annual self-use power consumption is greater than 50% Distributed power supply;

The first category represents rooftop distributed photovoltaic projects, and the second category represents terrestrial distributed photovoltaic projects.

II. Distributed photovoltaic projects that are not limited by scale indicators

Understand the definition of distributed photovoltaic, then distributed photovoltaic projects are not limited by the scale of the index? The answer is no.

According to the “Guiding Opinions on Improving the Scale of Photovoltaic Power Generation Management and Implementing Competitive Mode Configuration Project” (Development and Reform Energy [2016] No. 1163), according to the type and scale of photovoltaic power generation projects, network access conditions and consumption scope, and promotion of technological progress. The role of such factors, the photovoltaic project will be divided into three categories.

the first sort

Unlimited scale of photovoltaic power generation types and regions

1) Projects that use fixed building roofs, wall surfaces and affiliated sites; all self-use ground photovoltaic projects.

2) Combine the electric reform with photovoltaic projects in the photovoltaic power market trading pilot project.

3) Photovoltaic poverty alleviation village-level power stations and centralized power stations.

The second category

General photovoltaic project

1) Centralized photovoltaic power station

2) Ground distributed photovoltaic power station

The third category

Photovoltaic Power Leading Technology Base

Among them, 1) in the first category is totally not subject to the limitation of the scale, and each region can accept the project for record at any time, and after joining the network, it can enjoy the state subsidies. Although the 2) and 3) documents in the first category are classified as the first type and are not limited to the type and area of ​​photovoltaic power generation, the two types of photovoltaic projects want national subsidies, and they must also strive for relevant indicators issued by the state.

The second and third categories all require scale indicators and require a competitive approach to configuration.

Therefore, in combination with the definition of distributed photovoltaics and the “Guidelines on Improving the Management of Photovoltaic Power Generation Scale and the Implementation of Competitive Mode Configuration Project” (Development and Reform Energy [2016] No. 1163), the use of fixed building roofs, wall surfaces, and affiliated building construction The project belongs to a distributed photovoltaic project that is not limited by the scale of the scale. Currently, it is mainly represented by distributed photovoltaics on the roof, such as distributed photovoltaics on the roofs of households and distributed photovoltaics on the roof of industrial plants, while on-grid distributed photovoltaic projects are subject to scale indicators. Restrictions, and to take a competitive approach to configuration.

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