Software Updates

Powerwall improves over time with regular over-the-air software updates. New functionality and improvements are added with updates to Powerwall firmware and to the Tesla app.

October 2022


Tesla App Version 4.14.0

Improved app performance to reduce some response times

September 2022


Tesla App Version 4.13.0

Redesigned the Support page on Tesla app

Improved graph screen performance and resolved other minor issues

Version 22.26

Added ability for Powerwall to use irradiance data from satellites to forecast your home’s solar production more accurately – more accurate solar production forecasts help Time-Based Control mode make better decisions about when to charge and discharge your Powerwall

Improved retry behavior when off-grid and at critically low energy 

Added support for improved commissioning experience via ‘Tesla Pros’ app

Improved metering accuracy on Neurio Smart CTs

August 2022


Tesla App Version 4.12.0

Added Tutorials in the Support menu to learn more about your Powerwall

Ability to update your home address in the My Home Info menu in Settings

July 2022


Tesla App Version 4.11

Added ability to share Impact Cards with friends and family online – tap and hold on an Impact Card to open a share sheet and share the card in any app that your phone supports

Vehicle Charge Stats can now display charging at your work location

Increased transparency in-app when Powerwall reaches low energy while off-grid

June 2022


Version 22.18

Improved cold weather performance for Powerwall

Improved reliability for Gateway network connectivity

Tesla App Version 4.10

Limited Beta: Wall Connector 3 owners in the UK can now connect their Wall Connector to the Tesla app

April 2022


Version 22.9

More options for ‘Advanced Settings’ in the Tesla app to control grid charging

Improved Powerwall performance when charge level is below backup reserve and Powerwall is importing from the grid

Improved metering accuracy when loads are not balanced across phases

Tesla App Version 4.8.0

Your Impact Cards now default to year view to demonstrate how your solar and Powerwall impact your home over time

Minor fixes and performance improvements

March 2022


Tesla App Version 4.7.0

Added Advanced Settings for Powerwall to allow more control over grid charging, where permitted

January 2022


Tesla App Version 4.5.0

Minor fixes and improvements

Updated the 'Video Guides' library in the ‘Support’ section to include Time-Based Control and Energy Value

December 2021


Tesla App Version 4.4.0

Added 'Video Guides' for energy products in the ‘Support’ section

November 2021


Tesla App Version 4.3.0

Minor fixes and improvements

October 2021


Tesla App Version 4.2.0

Added ability to select your energy rate plan or set a custom rate plan, with added support for seasons, multiple peak periods and buy & sell energy prices

Updated Time-Based Control mode to support updated energy rate plans and help maximise savings through smart charging and discharging

Updated the Energy Value impact card to use updated energy rate plans for improved system value estimates

August 2021


Tesla App Version 4.0.0

For Powerwall, solar panels or Solar Roof owners, view your system’s real-time Power Flow on the home screen of the app — featuring a 3D home with components that reflect your solar system

Simplified energy data that highlights individual home, solar, Powerwall and grid components

Added ability to monitor your home’s energy sources and destinations with both a simplified view and a detailed breakdown view

July 2021


Tesla App Version 3.10.14

Introduced the Tesla Virtual Power Plant in California — In a grid emergency, Powerwall can help support your community while also maintaining your energy security

Opt-in to the Tesla Virtual Power Plant (VPP), and Tesla will dispatch your Powerwall when the grid needs extra support

May 2021


Version 21.13.2 (selected regions and devices) and Tesla App Version 3.10.12

When Powerwall reaches a low charge level, a push notification is sent to reduce home loads during a grid outage

Additional notifications, monitoring and troubleshooting features for solar-only sites that may encounter system issues

Powerwall systems enrolled in Tesla Energy Plan and Tesla Virtual Power Plant display more information about their programs in the app

Improved Powerwall behavior during backup

January 2021


Version 20.49

Improved security for local gateway interface for Gateway 1 and Gateway 2

Updated support for utility grid connections in Japan, Italy, Germany and Switzerland

November 2020


Version 20.40

Improved multiphase metering for Gateway 2 systems

Improved off-grid and backup heat mode behavior

Updated version number scheme for software releases

October 2020


Version 1.50 and 1.50.1

Various bug fixes and improvements focusing on system performance, networking and alerts

September 2020


Version 1.49

Updated support for utility grid connections in Hawaii, Japan, Bahamas and Turks and Caicos

Tesla App Version 3.10.6

Improved push notifications for some system events, including behavior during power outage and Storm Watch

Released Solar Offset Performance Card for all Powerwall owners, previously available to solar owners

July 2020


Version 1.48

Updated support for utility grid connections in Japan and South Africa

Improved Powerwall performance for sites in South Australia Virtual Power Plant

May 2020


Version 1.47

Added support for utility grid connections in Japan

Tesla App Version 3.10.5

Tesla app home screen updated to display Solar Roof image for Solar Roof owners

April 2020


Version 1.46

Enhanced support for Tesla Vehicle Charging during a Power Outage in North America

Added support for utility grid connections in Barbados and New Caledonia

Added additional support for Powerwall preconditioning for systems in a backup event

Some customization settings in the mobile app now take effect more quickly

February 2020


Version 1.45

Added support for utility grid connections in Cape Town

January 2020


Version 1.44

Updated support for utility grid connections in Italy

December 2019


Version 1.43

Added support for utility grid connections in Zimbabwe Provinces

October 2019


Version 1.41

Added support for utility grid connections in Switzerland

Enhanced performance for multiple Powerwall systems during grid outage

Additional support for 3-phase Western Australia grid compliance

September 2019


Version 1.40

Minor fixes and improvements

August 2019


Version 1.39

Added support for utility grid connections in the Dominican Republic

Tesla App Version 3.9.0

Added the ability to select a specific day, week or month by scrolling left and right in the Energy Usage screen. Additionally, all historical data is now accessible

Added the ability to download data. To use, tap on ‘Download Data’ at the bottom of the Energy Usage screen and choose your method of sharing

Added the ability to copy the Serial Number at the bottom of the Home screen to make communicating with Tesla Support more seamless

Version 1.38

Added support for utility grid connections in the Cayman Islands, St Vincent, Antigua and Barbuda

July 2019


Tesla App Version 3.8.6

Added pull-down to refresh products on the Settings screen for existing Tesla customers with any new product

Added 'Learn More' links on Customize screen to explain Powerwall operating modes   

Added number of Powerwalls directly on the Powerwall image on Home screen

Added tap to reveal Gateway serial on bottom of Home screen

May 2019


Version 1.37

Improved Time-Based Control algorithm for customers with Net Energy Metering (NEM)

April 2019


Version 1.36

Improved on-grid stability for backup systems

Additional support for UK grid compliance  

March 2019


Version 1.35

Increased sensitivity of Storm Watch

February 2019


Version 1.34

Minor fixes and improvements

Version 1.33

Minor fixes and improvements

Tesla App Version 3.8.1

Added alert when Powerwall detects an issue needing attention

January 2019


Version 1.32

Minor fixes and improvements

Version 1.31

Minor fixes and improvements

December 2018


Version 1.30

Minor fixes and improvements

Version 1.29

Improved performance at low temperatures

Storm Watch added to Australia and New Zealand

November 2018


Version 1.28

Additional support for Virtual Power Plants

Reduced energy consumption when idle

Version 1.27

Improved charging capability for certain rare grid conditions

October 2018


Version 1.26

Minor fixes and improvements

Version 1.25 for selected regions

Faster recharging in Backup Only mode. When solar is available, Powerwall can now charge up to its maximum continuous power rating 

Tesla App Version 3.6.0 for selected regions

Storm watch now displays “standby” indicating it is ready to act on a
storm warning or “active” when it is currently in Storm Watch mode

Large energy values are now displayed as kWh instead of MWh for better granularity

September 2018


Version 1.24

Faster recharging in Backup Only mode for selected regions

Version 1.23

Powerwall will automatically perform preventative maintenance on its thermal control system. During this time, you may hear louder than usual noise from Powerwall for approximately 30 minutes

August 2018


Version 1.22

Storm Watch mode for selected regions. Powerwall automatically detects incoming storms and stores energy (Requires Tesla App Version 3.4.3 or higher). Learn more in Special Modes of Operation

Powerwall customers participating in Grid Services programs now know when their systems are benefiting the grid and can track Grid Services energy and power usage (Requires Tesla App Version 3.4.3) 

July 2018


Version 1.21

Added Monitoring from your Home Network to allow:

  • Local monitoring of power flow and charge level
  • Viewing system information
  • Updating network settings
     

Improved power supply management with multi-Powerwall systems

Further reduction in network data usage

June 2018


Version 1.20

Updated installer login to Gateway

Further reduction in network data storage

Version 1.19

Added ability to update network connection when home Wi-Fi changes

Version 1.18

Minor fixes and improvements

Tesla App Version 3.4.1

Customize the site name (Solar or Powerwall)

Tap version number to get Release Notes

May 2018


Version 1.17

Added dynamic network management to use best internet connection type (Ethernet, Wi-Fi or Cellular)

Improved performance of Time-Based Control mode

Tesla App Version 3.3.6

Added performance metrics for Time-Based Control mode

March 2018


Version 1.16

Added support for additional utility grid connections in New York

Version 1.15

Minor fixes and improvements

February 2018


Version 1.14

Added Time-Based Control Mode for selected regions. If energy costs vary through the day, Powerwall can shift energy to maximize savings. (Requires Tesla App Version 3.3.4 or higher)

Version 1.13

Minor fixes and improvements

January 2018


Version 1.12

Reduced network data usage

Improved tolerance for grid power variations

Version 1.11

Added Preconditioning for improved performance at low temperatures. Learn more in Special Modes of Operation

Improved over-the-air update performance

November 2017


Version 1.10

Improved support for utility grid connections in Germany

October 2017


Version 1.9

Generator support with Automatic Transfer Switches (ATS)

Improved performance when charging from solar during outages

Added capability to reset Powerwall by toggling the Enable switch on the side of the unit (Backup systems only)

Added support for multiple Powerwalls at 3-phase sites

Improved support of off-grid and offline scenarios, adding support to Puerto Rico

Version 1.8

Not released; all enhancements moved to Version 1.9

September 2017


Version 1.7

Added support for utility grid connections in California and Hawaii

Added capability to register Powerwall after installation by visiting Powerwall Self Registration

August 2017


Version 1.6

Minor fixes and improvements

July 2017


Version 1.5

Added support for utility grid connections in Germany and Italy

Version 1.4

Not released; all enhancements moved to 1.5

June 2017


Version 1.3

Improved efficiency at low power levels