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Revenue
12 Months Ended
Dec. 31, 2022
Revenue  
Revenue

15.  Revenue

Revenue by source consists of the following:

Year Ended December 31, 

    

2020

    

2021

    

2022

Vehicle sales

 

15,182,522

33,169,740

45,506,581

Sales of packages and provision of power solution

244,072

526,171

857,912

Sales of charging piles

229,781

319,386

405,246

Sales of automotive regulatory credits

 

120,648

516,549

67,291

Battery upgrade service

 

5,346

291,218

64,123

Others

 

475,564

1,313,359

2,367,408

Total

 

16,257,933

36,136,423

49,268,561

For the years ended December 31, 2020, 2021 and 2022, revenue recognised at a point in time was RMB15,969,390, RMB35,416,050 and RMB47,734,716, respectively, and revenue recognised over time was RMB288,543, RMB720,373 and RMB1,533,845, respectively.