diff --git a/cereal b/cereal
index c6acc0698a604e..3fef4f7861e041 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit c6acc0698a604e715e960250359b6bf97e4987e3
+Subproject commit 3fef4f7861e04193fdb11dbd5b0eaf6d2b102ee1
diff --git a/selfdrive/thermald/thermald.py b/selfdrive/thermald/thermald.py
index 6cf5c428a88d1d..f20c649b4e906d 100755
--- a/selfdrive/thermald/thermald.py
+++ b/selfdrive/thermald/thermald.py
@@ -348,12 +348,13 @@ def thermald_thread(end_event, hw_queue):
     power_monitor.calculate(peripheralState, onroad_conditions["ignition"])
     msg.deviceState.offroadPowerUsageUwh = power_monitor.get_power_used()
     msg.deviceState.carBatteryCapacityUwh = max(0, power_monitor.get_car_battery_capacity())
-    current_power_draw = HARDWARE.get_current_power_draw()  # pylint: disable=assignment-from-none
-    if current_power_draw is not None:
-      statlog.sample("power_draw", current_power_draw)
-      msg.deviceState.powerDrawW = current_power_draw
-    else:
-      msg.deviceState.powerDrawW = 0
+    current_power_draw = HARDWARE.get_current_power_draw()
+    statlog.sample("power_draw", current_power_draw)
+    msg.deviceState.powerDrawW = current_power_draw
+    
+    som_power_draw = HARDWARE.get_som_power_draw()
+    statlog.sample("som_power_draw", som_power_draw)
+    msg.deviceState.somPowerDrawW = som_power_draw
 
     # Check if we need to disable charging (handled by boardd)
     msg.deviceState.chargingDisabled = power_monitor.should_disable_charging(onroad_conditions["ignition"], in_car, off_ts)
diff --git a/system/hardware/base.py b/system/hardware/base.py
index 8684386f6204ce..b052a48c5b3579 100644
--- a/system/hardware/base.py
+++ b/system/hardware/base.py
@@ -86,6 +86,10 @@ def get_usb_present(self):
   def get_current_power_draw(self):
     pass
 
+  @abstractmethod
+  def get_som_power_draw(self):
+    pass
+
   @abstractmethod
   def shutdown(self):
     pass
diff --git a/system/hardware/pc/hardware.py b/system/hardware/pc/hardware.py
index b2c4a4343b2b43..60d14e4a6b1568 100644
--- a/system/hardware/pc/hardware.py
+++ b/system/hardware/pc/hardware.py
@@ -55,6 +55,9 @@ def get_usb_present(self):
 
   def get_current_power_draw(self):
     return 0
+  
+  def get_som_power_draw(self):
+    return 0
 
   def shutdown(self):
     print("SHUTDOWN!")
diff --git a/system/hardware/tici/hardware.py b/system/hardware/tici/hardware.py
index a69d3eb74350fd..66cb98c606a64e 100644
--- a/system/hardware/tici/hardware.py
+++ b/system/hardware/tici/hardware.py
@@ -362,6 +362,9 @@ def get_usb_present(self):
   def get_current_power_draw(self):
     return (self.read_param_file("/sys/class/hwmon/hwmon1/power1_input", int) / 1e6)
 
+  def get_som_power_draw(self):
+    return (self.read_param_file("/sys/class/power_supply/bms/voltage_now", int) * self.read_param_file("/sys/class/power_supply/bms/current_now", int) / 1e12)
+
   def shutdown(self):
     # Note that for this to work and have the device stay powered off, the panda needs to be in UsbPowerMode::CLIENT!
     os.system("sudo poweroff")