Customer-Owned Power Production Facilities

Connecting Solar, Generators, Wind Power

See section 1.12.0 of the Design Criteria Manual for more information about interconnecting customer-sited electric generation assets to the Austin Energy distribution system.

Socket-Mounted Transfer Switch Devices

Specifications for socket-mounted transfer switch device types by manufacturer are listed below.

Socket-Mounted Transfer Switch
Description	Approved Manufacturers
Available in meter form 2S, 120/240v and form 12S, 120/208v, single phase Available with a choice of 40, 60, or 80-amp PV/DER interconnection circuit breaker, in either 10 kAIC or 22 kAIC rating 200 amp continuous combined utility and PV/DER rating (load-side of meter PV/DER interconnection point) 190 amp continuous combined utility and PV/DER rating (line-side of meter PV/DER interconnection point)	ConnectDER C-B-5-22-40 C-B-5-22-60 C-B-5-22-80
30-amp with 75kA per phase surge protection	GenerLink MA23-S
40-amp with 75kA per phase surge protection	GenerLink MA24-S
Whole home back-up switch, with a continuous load rating of 200A, to operate in conjunction with a compatible, manufacturer approved inverter	Tesla Model #1624171 (Tesla Backup Switch UL414 UL2735 UL916 VoC)

Socket-Mounted Transfer Switches identified above are approved for use on 200 amp residential services.

Registration Instructions

A permit is not required to install a socket-mounted transfer switch device; however, registration and a field operations consultation is required. For the registration and required "field operations consultation" request, please visit the Austin Build + Connect portal.

Download instructions for completing the field operations consultation request on the Austin Build + Connect portal (pdf).

Contact Us

For information and questions related to registration, email Austin Energy Distribution Metering Operations.
For requests for approvals for devices not yet approved within the Austin Energy territory, email Advanced Metering Systems and Engineering.

Distribution Interconnection Guide

This guide outlines the process for connecting a distributed generation facility. It also defines the minimum technical and financial requirements for safe integration of customer-owned power production facilities with the Austin Energy Distribution System.

Facility Connection Requirements

Austin Energy's Facility Connection Requirements inform entities who seek to connect to the Austin Energy Transmission System of facility connection requirements. The Austin Energy Data Specification informs interconnected entities of the specifications required to maintain system reliability.

Learn More

Date last reviewed or modified: 02/26/2025