At present, vigorously developing new energy has become the trend of globalization, and China has also put forward the “carbon peaking and carbon neutrality” strategy on carbon dioxide emissions. In response to the national strategy and actively develop the application of renewable energy, Beijing Energy International has invested about 32.93 million yuan in the distributed photovoltaic power generation project with a total installed capacity of 6.54MW by using the 64,000-square-meter space of Fengtai Railway Station. The total power generation of this project in 25 years is about 176 million kWh, and it is estimated that it will cut carbon dioxide by 165,000 tons, and sulfur dioxide by 5,160 tons and nitrogen oxides by 2,580 tons.

The application of photovoltaic power generation project has increased the utilization rate of green electricity in the station, and it can also provide additional safe power supply for the power supply system of the station. It will deliver both economic and social benefits while embodying the concept of “green traffic, green Beijing” and contribute to the green development of the capital city.

Beijing Metro Line 15 Maquanying Depot Distributed Photovoltaic Project is located in the Maquanying Depot maintenance warehouse of Metro Line 15 in Chaoyang District, Beijing. The total roof area used is about 13,000 square meters, with a total installed capacity of 1.2 megawatts. After being put into operation, it is expected to produce about 1.25 million kilowatt-hours of green electricity annually, equivalent to saving about 4,060 tons of standard coal and reducing carbon dioxide emissions by about 10,960 tons. It delivers good social and economic benefits, contributing to the early realization of the capital city’s dual carbon goals.

Beijing Changping SWAT Team Distributed Photovoltaic Project is located on the roof of the SWAT Team of the Changping District Public Security Bureau in Beijing. The total installed capacity is 0.7015 megawatts. The project adopts an “photovoltaic power generation + intelligent parking” energy management platform model. After being put into operation, it is expected to generate an average annual power output of about 762,000 kilowatt-hours, equivalent to saving about 2,330 tons of standard coal and reducing carbon dioxide emissions by about 6,350 tons. This will further promote the Beijing’s energy transition and economic development, contributing to the early realization of the capital city’s dual carbon goals.

Beijing Energy International’s Beijing Chaoyang Jingtou Mansion Distributed Photovoltaic Project is located on the roofs of Phase I and Phase II of the Jingtou Mansion Park. The project has an installed capacity of 1.038 megawatts and integrates a photovoltaic power generation system, smart charging piles, and an energy management platform. In addition to producing green electricity, the energy management platform system effectively saves energy. After completion, it can provide about 1.13 million kilowatt-hours of green electricity annually to the Beijing Jingtou Mansion, equivalent to saving about 3,450 tons of standard coal and reducing carbon dioxide emissions by about 8,700 tons. This will further enhance energy supply and green development in the capital city.

Beijing Huairou Science City Distributed Photovoltaic Project is Beijing Energy International’s first major scientific infrastructure distributed photovoltaic project. Located on the rooftop of the High Energy Photon Source (HEPS) building in Huairou District, Beijing, it covers an area of about 46,950 square meters with a total installed capacity of 10 megawatts. The project adopts a “photovoltaic power generation + smart energy” management platform mode, balancing basic and aesthetic functions of the building, showcasing the perfect combination of the energy internet and scientific entities. After being put into operation, it is expected to generate an average annual power output of about 10.2178 million kilowatt-hours, equivalent to saving about 36,780 tons of standard coal and reducing carbon dioxide emissions by about 101,870 tons. This will further promote energy transition and economic development in Beijing, contributing to the early realization of the capital city’s dual carbon goals.

Beijing Economic-Technological Development Area (BETDA) IAT Distributed Photovoltaic Project is located in the IAT Industrial Park within the BETDA, Beijing. The first phase has an installed capacity of 0.4 megawatts, operating under a “self-consumption with excess electricity uploading to the grid” mode. As one of Beijing’s first BIPV demonstration projects, it embodies the design concepts of innovation, green, and sharing, utilizing rooftop space for photovoltaic installation with steel structure framing and monocrystalline silicon N-type double-glass bifacial photovoltaic modules, achieving a perfect integration of photovoltaics and architecture. Upon completion, it is expected to produce about 440,000 kilowatt-hours of green electricity annually, saving approximately 1,352 tons of standard coal and reducing carbon dioxide emissions by about 4,380 tons. This project also conserves a large amount of freshwater resources, promoting regional low-carbon energy transition and achieving both social and economic benefits, contributing to the early realization of Beijing’s dual carbon goals.

Beijing Tianhu Conference Center Distributed Photovoltaic Project in Fangshan District marks Beijing Energy International’s first hotel-operated distributed photovoltaic initiative. Located in the Tianhu Conference Center in Qinglonghu Town, Fangshan District, Beijing, it has an installed capacity of 220.55 kilowatts, operating under the “self-consumption with excess electricity uploading to the grid” mode. The project fully utilizes digital communication technology combined with a remote intelligent operation and maintenance platform, enabling an unmanned operation mode. Upon completion, it is expected to produce about 260,000 kilowatt-hours of green electricity annually, saving approximately 746 tons of standard coal and reducing carbon dioxide emissions by about 2,036 tons. This project offers significant social and economic benefits and further enhances energy supply and green development in the capital city.

The PV power stations of Yanjing Brewery in Shunyi District of Beijing are located in 7 branch companies of Yanjing Brewery. The construction of this project started in November 2021 and was connected to the grid with full capacity on December 31, 2021.

The project uses about 79,000 square meters of rooftops of office buildings, production workshops and warehouses of Yanjing Brewery, with a total installed capacity of 7.606MW. Tianhe 540Wp monocrystalline silicon photovoltaic module and Huawei 120kW, 60kW, 36kW and 30kW series string inverters are adopted for this project. The 400V low-voltage grid-connected mode is adopted to connect to the power distribution rooms in the factory area, and “self-sufficiency with surplus electricity connected to the grid” is the mode of this project.

On average, the project can provide about 9.301 million kWh of green electricity to the local area every year, saving about 3,720 tons of standard coal annually, and cut the carbon dioxide emissions by 9,273 tons, sulfur dioxide by 279 tons and nitrogen oxides by 139 tons.

The project conforms to the relevant policies of the state and Beijing Municipality, makes full use of the abundant solar resources and idle rooftops, optimizes the energy mix, reduces greenhouse gas emissions, promotes the utilization of solar energy and the photovoltaic industry. This project plays an exemplary role in delivering social, economic and environmental benefits.

The 3.4MW Distributed PV Project in Pinggu’s Mafang Town (hereinafter referred to as “Mafang Power Station”) is located at No.1, Lugang Road, Mafang Town, Pinggu District, Beijing. The estimated grid-connected capacity of the first phase is 1.1MW, which started construction on December 15, 2021. Currently, 301.32kW has been connected to the grid.

In Mafang Power Station, 558 components, 3 inverters and 1 grid-connected cabinet are installed, which are connected to the 0.4kV system of the plant area at a voltage level of 0.4kV. The first year’s power generation is 333,140 kWh, which is equivalent to 101 tons of standard coal saved and 277 tons of carbon dioxide emissions reduced. It is favorable for protecting the environment while translating the concept of green development into action.