Locating Your Energy Storage System Device Information

This article provides guidance on where to locate your energy storage system's device information by manufacturer for customers who are enrolling into a utility program or pilot. 

Entering an incorrect device number will cause a delay in approving your enrollment, as additional help from the support team will be required to process your application. 

Tesla Powerwall 

Tesla serial number should begin with the letter T, G, or C. Please do not include the leading letter “S” in the serial number in your enrollment application. 

You can find your Gateway serial number, which is the password for Backup Gateway and Non-Backup Gateway, on the bottom of the home screen in the Tesla app. If you scroll to the bottom of the home screen on the app, you will see Serial: Tap to Reveal.   

 Serial Numbers 2

SolarEdge Inverter 

The serial number can be found at the bottom of the inverter label which is located on the right side of the inverter. It is important the second string of numbers, following the first hyphen in the serial, begins with "07".

You can also use this link to check your serial number: https://www.solaredge.com/us/warranty-check

serial (1)Serial Numbers Solar Edge

Correct format

Incorrect format




Second string begins with 11


Always begins with 07


missing hyphen

Generac PWR Cell (Previously Pika) 

You need to identify your inverter's RCP* number which can be found by locating the tag at location A, reviewing page ii of your installation manual, or by clicking into the control panel. This number typically start in 000 and is approximate 12 characters long. You may also contact your installer or Generac support for this information. 

Screen Shot 2022-04-26 at 8.15.24 PM*If you have trouble identifying the RCP number, you may submit the serial number formatted as XXXXX-XXXXX. 


Your serial number is located on the side of your battery system. Your serial number should be provided along with your manual. You may also find it on your Sonnen dashboard. 

Screen Shot 2022-04-26 at 8.29.56 PM


You can find the component’s serial number on the front or it’s side. You can find the serial number of the cabinet on the top of the left side panel. The number will start with “S.N.” and be 5 digits long.

Screen Shot 2022-04-26 at 8.13.44 PM


Your Enphase serial number (i.e. Site ID) should be an 11-digit number. To locate your Enphase  Site ID, look at the inside the lid of your combiner box which should be located near your electrical circuit breakers/solar breakers. 

You can also find your Site ID by logging into MyEnlighten.  Access the Overview tab. Your system Site ID is the number in the URL in the address bar of your browser.

You can also find your Site ID via the Enphase app. Open the Enphase app and the Site ID is listed in gray text at the bottom of the homepage.