---
title: Your product manuals and datasheets refer to a microinverter 'UID.' What is a UID?
description: Also known as the Serial Number
---

[Skip to content](https://support.yottaenergy.com/knowledge/your-product-manuals-and-datasheets-refer-to-a-microinverter-uid.-what-is-a-uid#main-content)

English

Show submenu for translations

[Customer portal](https://support.yottaenergy.com/tickets?hsLang=en)

![Yotta Energy Logo\_Horizontal\_White.png\]](https://support.yottaenergy.com/hs-fs/hubfs/Yotta+Energy+Logo_Horizontal_White.png?height=40&name=Yotta+Energy+Logo_Horizontal_White.png)

- [Default HubSpot Blog](https://blog.yottaenergy.com/blog)

Open main navigation

Close main navigation

- [Default HubSpot Blog](https://blog.yottaenergy.com/blog)
- English
  
  Show submenu for translations
- [Customer portal](https://support.yottaenergy.com/tickets)
- Go to www.yottaenergy.com

 Go to www.yottaenergy.com

 Yotta Energy Knowledge Base

- There are no suggestions because the search field is empty.

1. [Help Center](https://support.yottaenergy.com/knowledge?hsLang=en)
2. [MicroInverters](https://support.yottaenergy.com/knowledge/microinverters?hsLang=en)

# Your product manuals and datasheets refer to a microinverter 'UID.' What is a UID?

## Also known as the Serial Number

UID stands for Unique Identifier and is also the Serial Number of the microinverter. The UID is 12 digits and is used to create the layout diagram of your solar arrays and for troubleshooting potential system issues. 

- [General](https://support.yottaenergy.com/knowledge/general?hsLang=en)
- [Gateway (ECU-R/C)](https://support.yottaenergy.com/knowledge/gateway-ecu-r-c?hsLang=en)
- [MicroInverters](https://support.yottaenergy.com/knowledge/microinverters?hsLang=en)
- [EMP](https://support.yottaenergy.com/knowledge/emp?hsLang=en)
- [ECU](https://support.yottaenergy.com/knowledge/ecu?hsLang=en)
- [App](https://support.yottaenergy.com/knowledge/app?hsLang=en)

- [Default HubSpot Blog](https://blog.yottaenergy.com/blog)

[![Yotta Energy](https://support.yottaenergy.com/hs-fs/hubfs/YottaEnergy_January2021/images/header_logo.png?width=1500&height=381&name=header_logo.png "Yotta Energy")](https://www.yottaenergy.com)

www.yottaenergy.com Help Center

Copyright © 2026, Yotta Energy