Hello @Pkara.1 and welcome to the Community 🙂 ;
Please make sure that all free pins are set as Analog to optimize the power consumption. For that, I advise you to take a look to this FAQ.
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Hi @Pkara.1 ,
This is really hard to answer without more details.
The overconsumption can be due to your hardware, a shortcut or you software. But this consumption shows that your STM32L4 is not in Stop 1 mode.