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Opportunities and challenges for industrial PV development

Opportunities and challenges for industrial PV development

In recent years, with the state encouraging the development and use of renewable energy and market promotion, the use of commercial and industrial photovoltaic power generation has been developed rapidly and widely.

Commercial and industrial photovoltaic using distributed grid-connected mode, covering self-generation, residual power online or full online three modes, not only can greatly improve the local consumption capacity, reduce the pressure on the power grid, but also can offset the installation of the owner of the power grid to purchase electricity, saving electricity costs, highly favored by investors.

Despite the rampant epidemic affecting all sectors, the first three quarters of 2022 saw 35.3GW of new distributed PV nationwide, including 18.74GW of new commercial and industrial PV capacity, up 278% year-on-year.

There is no doubt that the PV market in 2023 will continue its rapid development momentum. So, what kind of development environment will distributed PV face in 2023?

The contradiction between the peak of photovoltaic power generation and the peak of electricity consumption is highlighted

Grid power quality requirements for PV power generation will gradually improve, tariff management is more refined, the contradiction between PV power generation peak and electricity consumption peak will be more obvious, PV high output hours (such as noon) may face peak and valley adjustments in electricity prices.

Although the adjustment of the peak and valley hours will have an impact on the power plant revenue, but also to a certain extent beneficial to the consumption of photovoltaic power.

Grid adjustment of electricity prices at noon, for some high flexibility of commercial and industrial users, can adopt the strategy of adjusting the electricity consumption time to meet the peak of PV power generation, saving electricity costs and helping the consumption of PV power.

Electricity prices may face adjustment

The tariff for the self-generated portion of the feed-in tariff may face adjustment.

In fact, since the PV industry entered full parity, commercial and industrial distributed PV investment has gradually entered the development status quo with self-generation and self-consumption as the mainstream investment model.

Under the intensification of multiple factors such as tight power supply, increased floating tariff ratio, and rising cost of electricity for enterprises, commercial and industrial distributed light broke new records of installed capacity in 2022, with new installations expected to exceed 25GW for the year.
  But as the national power situation becomes more complex, after entering the era of parity distributed photovoltaic is ushering in new development challenges.

Recently, Hebei South, Shandong and other places have issued a document to adjust the peak and valley hours, the past two years, distributed PV installation of rapid growth of new energy installations to these provinces peak and valley tariff time changes, after adjusting the peak and valley tariff mechanism, PV power out the most time is basically included in the valley section of the tariff.

Opportunities and challenges for industrial PV development

Commercial and industrial PV investment costs increase

  With the development of commercial and industrial PV, the value of and competition for roof and site resources will become more intense, which in turn will increase the cost of investment in the construction of commercial and industrial PV power plants.

Commercial and industrial energy storage will see more favorable

  The construction of huge amount of PV power stations has brought a huge challenge to the stability of the power grid. The intermittent and unstable nature of PV power generation is becoming more and more prominent, and energy storage and peaking has become a hot topic for the stable power supply of the power grid.

The mode of commercial and industrial PV + energy storage will become a new wave of investment and revenue model.

Commercial and industrial photovoltaic power generation operation and maintenance issues

  The lack of professional operation and maintenance personnel during the construction and operation of rooftop power stations is a common problem in commercial and industrial photovoltaics, and the lack of normal maintenance and operation and maintenance measures for power stations, resulting in low power generation efficiency or failures can not be eliminated in a timely manner.

  In the context of accelerating the low-carbon transition and promoting the “double carbon goal” in the market, there are both challenges and opportunities. In the process of planning, design and construction of commercial and industrial photovoltaic, it is necessary to take into account local conditions, be realistic and control every step of the process.

1、Site selection

The roof structure where PV is installed should be stable and reliable, and the orientation and slope should meet the requirements of PV power generation. Should understand and analyze the local solar radiation resources and other meteorological information, to assess the local salt spray, high winds, floods, sand and snow disasters and other catastrophic weather and circumstances, to avoid shade and other situations.

Building property rights ownership is clear, building property rights to the owners of enterprises or local government, it is suitable for development; leased plant is not suitable or should be consensus with the owner before. Color steel plate roof should review the roof load capacity and the number of years it can be used.

Opportunities and challenges for industrial PV development

2、Understand the existing electrical load and electricity consumption

  It is important to understand and analyze the total load as well as the main power consumption periods, whether it can be adjusted according to the characteristics of PV power generation or use energy storage for peak regulation.

3、Understanding the existing power distribution facilities

  To understand the existing transformer capacity, quantity and connection method, etc. To understand the existing internal grid and load reactive power and compensation facilities.

To communicate with the local power supply department about the specific details of building distributed PV power stations and grid connection.

4、actively strive for photovoltaic subsidies

  To take the initiative to contact the local government development and reform commission (bureau) and the power grid company, to understand the local government at all levels of photovoltaic support policies, for government subsidies for the development of the photovoltaic industry.

5、Ensure the quality of power station design and construction

  To do a good job of power plant design according to the actual situation, to determine the installation of photovoltaic arrays, power plant construction scale, grid-connected operation mode, reactive power compensation, etc., to ensure the quality of construction.

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