The output power is relatively small, and the scale can be flexibly adjusted

分布式光伏发电项目的容量在数千瓦至数兆瓦之间，输出功率远远小于大型地面光伏电站；可通过光伏发电的模块化设计调整规模的大小；可根据屋顶面积与建设条件等因素调整光伏系统的容量；安装方式相对灵活，适合在耗能集中区域进行分散式建设。

The capacity of distributed photovoltaic power generation projects ranges from several kilowatts to several megawatts, and the output power is much smaller than that of large ground photovoltaic power plants; The scale can be adjusted through the modular design of photovoltaic power generation; The capacity of the photovoltaic system can be adjusted based on factors such as roof area and construction conditions; The installation method is relatively flexible and suitable for decentralized construction in areas with concentrated energy consumption.

项目污染少，环保效益突出

The project has less pollution and outstanding environmental benefits

分布式光伏发电与其他新能源项目相同，在发电的过程中没有污染和噪音，也不会对空气和水造成污染，适合在宜居的城市偏远地区发展，也是防治雾霾和实现节能减排目标的有效手段之一。

Distributed photovoltaic power generation, like other new energy projects, does not cause pollution or noise during the power generation process, nor does it cause pollution to air and water. It is suitable for development in livable and remote urban areas, and is also an effective means of preventing haze and achieving energy-saving and emission reduction goals.

发电用电并存，输电线路线损少

Coexistence of power generation and consumption, with low transmission line losses

大型地面光伏发电是升压接入输电网，仅作为发电电源参与电网运行，而分布式光伏发电是接入配电网，直接发直接用，且大部分能就地消纳。因不需要长距离输送，因此不存在线损，且直接在配电网消纳，利用率普遍高于地面光伏电站。

Large scale ground photovoltaic power generation is connected to the transmission network through boosting voltage, and only serves as a power source to participate in grid operation. Distributed photovoltaic power generation is connected to the distribution network, directly used for power generation, and most of it can be consumed locally. Due to the lack of long-distance transmission, there is no line loss and it is directly consumed in the distribution network, with a utilization rate generally higher than that of ground photovoltaic power plants.

靠近负荷中心，对电网影响不大

Close to the load center, with little impact on the power grid

分布式光伏一般分布在中东部负荷中心区域，直接售电给大型工商业用户住宅等，不需长距离输送，节约电网成本，规模一般比地面并网光伏电站小，对电网的频率电压波动影响有限。

Distributed photovoltaics are generally distributed in the central and eastern load centers, selling electricity directly to large industrial and commercial residential users, without the need for long-distance transmission, saving power grid costs. The scale is generally smaller than ground connected photovoltaic power stations, and the impact on frequency and voltage fluctuations in the power grid is limited.

节约土地资源与开发成本

Saving land resources and development costs

分布式光伏电站项目不需在集中连片的土地上开发，因此能够有效节省土地资源，提高闲散屋顶厂房的利用效率。同时，在大型工商企业用电需求日益增长的背景下，业主具有建设分布式光伏电站的积极性，项目开发成本一般低于大型并网光伏电站。

Distributed photovoltaic power station projects do not need to be developed on concentrated and contiguous land, thus effectively saving land resources and improving the utilization efficiency of idle rooftop factories. At the same time, in the context of the increasing demand for electricity by large industrial and commercial enterprises, homeowners have the initiative to build distributed photovoltaic power plants, and project development costs are generally lower than those of large-scale grid connected photovoltaic power plants.

分布式光伏发电站的劣势

Disadvantages of Distributed Photovoltaic Power Plants

参与主体较多，不确定因素增加

There are many participants and uncertain factors increase

分布式光伏电站涉及屋顶所有者及用能企业较多，在项目实施过程中由于分散性多样性，派生出的商业模式也不尽相同，其不确定因素普遍多于地面光伏电站项目，比如某些项目可能出现屋顶权属转移不可抗力合同风险等不确定因素，因此开发及运营分布式光伏电站比大型并网光伏电站更复杂。

Distributed photovoltaic power plants involve a large number of rooftop owners and energy consuming enterprises. Due to the diversity of dispersion during project implementation, the business models derived from them are also different, and their uncertain factors are generally more than those of ground photovoltaic power plant projects. For example, some projects may encounter uncertain factors such as force majeure contract risks in the transfer of rooftop ownership. Therefore, the development and operation of distributed photovoltaic power plants is more complex than large grid connected photovoltaic power plants.

电费结算效率较低

Low efficiency of electricity bill settlement

目前，分布式光伏电站的电费结算较多采取合同能源管理方式，缺乏催收与履约的保障，受用电企业经营情况影响，回收电费的及时性稳定性值得关注。

At present, the settlement of electricity bills in distributed photovoltaic power stations mostly adopts the method of contract energy management, lacking the guarantee of collection and performance. Due to the impact of the business situation of electricity consuming enterprises, the timely and stable recovery of electricity bills is worth paying attention to.

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