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 2024
Version 24.36
Storm Watch now supports manually scheduled events
Schedule an event in Storm Watch settings to fully charge your Powerwall to maximize backup protection for your home
Requires Tesla app 4.38.0.
Tesla App 4.38.0
Use the History button in the top-right corner of Settings to review a list of configuration changes made to your system made by authorized users, third-party apps and partners during the last 30 days
Various fixes and improvements for 3D, pairing multiple vehicles to Powerwall for Charge on Solar and more
September 2024
Tesla App 4.37.0
Various fixes and improvements, including resolving an issue with sharing Energy Usage data on Android 14
August 2024
Tesla App 4.36.0
Charge Stats now available for additional vehicle users, including added drivers and lease owners
See a day with Powerwall using the Demo App
July 2024
Tesla App 4.35.0
Introduced support for monitoring your Power Flow over a local Wi-Fi network connection, even if your home network and Powerwall are not connected to the internet, even during grid outages
Power Flow updates more quickly while using local connection
Historic data not available while using local connection
Requires Powerwall firmware 24.36 and your phone to be paired under ‘Settings’ > ‘Phone Pairing’
Improved in-app messaging during grid outages, including when Powerwall stops powering your home due to low energy
May 2024
Tesla App 4.33.0
Settings screens now offer increased detail when configuration changes are limited due to program participation
Energy Graphs now support fully custom date range selections using the timescale selector
Custom rate plans now support up to five seasons
March 2024
Tesla App 4.31.0
Allow support to remotely troubleshoot and configure your system in ‘Settings’ > ‘Manage Access' > ‘Remote Service Access'
February 2024
Tesla App Version 4.30.0
New Energy Graphs for Wall Connector 3 and Universal Wall Connector
Access Transparency: View a list of partners that provide support for your system in ‘Settings’ > ‘Manage Access’
August 2023
Tesla App Version 4.24.0
Added ability to self-troubleshoot Wall Connector concerns
July 2023
Tesla App Version 4.23.2
Refreshed energy graphs for Solar and Powerwall, featuring larger graphs and more interactivity
Tesla App Version 4.23.0
Various fixes and improvements for Tesla Electric, Wall Connector, Tesla Virtual Power Plants and other app functionality
June 2023
Tesla App Version 4.22.0
Users can set "0.00" prices for Utility Rate Plans with Powerwall firmware 23.12 and above
Various fixes and improvements for product registration and other app functionality
March 2023
Tesla App Version 4.19.0
Added ability to manage access of Tesla Energy System
Version 23.4
Improved performance in cold weather for Powerwall systems
February 2023
Version 22.36
Improved detection of open circuit breakers on Powerwall systems
Tesla App Version 4.18
Updated Power Flow to increase contrast and use colors to clearly show the sources of power to their destination
January 2023
Tesla App Version 4.17
Improved behavior with configuring Wi-Fi for Powerwall
Powerwall In-App Registration now seamlessly & securely pairs your phone for Go Off-Grid
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).
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.
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