Cradle to Gate
Identity ID
9a6ae2cb-3a21-4b1a-9efa-b9cdd6f7a0cf
Energy
Associated ID
feb72f3a-7714-47df-acaa-297d546d6b63
Included activities starts
Included activities ends
Description
This dataset represents the average power generation situation of centralised photovoltaic power stations in China. The data are obtained by weighted aggregation of the production datasets of multiple provinces (regions, municipalities) such as Beijing, Tianjin, Hebei, Shanxi, Inner Mongolia, Liaoning, Jilin, Heilongjiang, Shandong, Henan, Shaanxi, Gansu, Ningxia, Xinjiang, Anhui, Guizhou and Shanghai. A centralised photovoltaic power station is a photovoltaic power station built in a centralised manner on sites such as deserts, the Gobi, mountains and water surfaces; the electricity obtained is directly fed into the public power grid, connected to the high-voltage transmission system, and uniformly dispatched by the grid to supply users, with the grid-connection voltage generally commonly being 35 kV or 110 kV. For the production dataset of a specific region, centralised photovoltaic power generation uses ground-mounted double-glass and single-glass crystalline silicon cell modules as typical representatives, and the on-grid electricity of different modules over their life cycle is adjusted according to the first-year utilisation hours of local fixed-mount photovoltaic power generation, the module life and the integrated auxiliary power consumption rate. The module life of photovoltaic power generation is set according to official specification standards, i.e. the technical service life of single-glass modules is 25 years, and that of double-glass modules is 30 years.
Activity Description
The system boundary covers the entire operation and maintenance stage of utility-scale photovoltaic power plants, including photovoltaic-module maintenance and cleaning and module recycling and disposal.
Process Description
The product is grid-connected power in kWh, with a voltage level of ≥35 kV.
Time period
2022
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Centralized photovoltaic power stations are built on centralized sites such as deserts, Gobi deserts, mountainous areas, and water surfaces. The electricity generated is directly integrated into the public power grid and connected to the high-voltage transmission system, where the grid dispatches it uniformly to supply power to users. The grid-connected voltage is typically 35 kV or 110 kV. The centralized photovoltaic power generation here uses ground-mounted double-glass and single-glass crystalline silicon modules as typical representatives. The power generation of different modules is adjusted based on local conditions, specifically the first-year utilization hours of fixed photovoltaic power generation and the module lifetime. The component lifetime of photovoltaic power generation is set according to official specifications and standards: the technical service life of single-glass modules is 25 years, and that of double-glass modules is 30 years.