Tesla’s Cybertruck lead engineer told owners on Saturday that he had nothing new to report on Powershare with Powerwall, the bidirectional charging feature announced with the truck in late 2023 and still unreleased.
Wes Morrill replied to a question posted on X on late Saturday asking for an update, writing that he would “provide an update when there is something new to share.”
“don’t worry, I see this,” Morrill wrote. “Will provide an update when there is something new to share.”
The exchange comes roughly two months after the mid-2026 release date Tesla gave owners in writing last December, and nearly two years after the feature was first expected.
Available Functions
Powershare covers three functions, one of which is blocked.
Powering tools and appliances from the truck’s own outlets is available, delivering up to 9.6 kW combined across sockets in the cabin and the bed.
Powering a house through an outage is available at up to 11.5 kW, provided the owner installs a Powershare Gateway and a Universal Wall Connector. Tesla says the system detects an outage and begins supplying power within one minute, and can run a home for over three days.
Cybertruck is the only Powershare-compatible Tesla, and the function is unavailable in Mexico.
Pairing the truck with a Powerwall, so the home battery discharges first and the vehicle serves as extended storage behind it, is not available.
Tesla’s Powershare page states that Powerwall 2, Powerwall+ and Powerwall 3 “will be compatible with your Powershare vehicle to provide home backup soon,” with compatibility to be enabled over the air.
The Engineering Obstacle
Morrill set out the technical problem publicly in December in more specific terms than Tesla’s customer emails use.
The difficulty, he wrote, is that “two grid forming devices need to negotiate who will form and who will follow” according to each one’s state of charge.
The truck’s onboard bidirectional inverter and the Powerwall’s inverter must agree which establishes the microgrid and which follows it.
That negotiation has to occur without a network connection, across multiple generations of Powerwall hardware, and pass certification testing for grid safety.
Morrill said the task had proved much harder than anticipated when working through existing wall connectors, and that he empathised with disappointed owners as a Cybertruck and Powerwall owner himself.
Timeline
Powershare was announced with the Cybertruck in late 2023, and Powerwall integration was expected by the end of 2024.
Tesla emailed owners in December 2025 to say the feature was “still in development and is now scheduled for release in mid-2026,” citing the need to test communication across many configurations and generations of Powerwall, and adding that it was using the time to develop further Powershare features.
Owners on the Cybertruck Owners Club forum noted that a similarly worded email had gone out in 2024.
The official Cybertruck account on X promoted Powershare in March without addressing the Powerwall gap.
In May, a customer attempting to order a Tesla solar system alongside Powershare was told by the company that Powershare is not currently compatible with Powerwall, that it works only in a solar, Wall Connector and Gateway 3v configuration, and that his order combining the two would be cancelled because of the incompatibility.
Tesla’s Guidance
Tesla’s support page tells customers that if they already have a Powerwall and a Wall Connector, no additional equipment is needed for Powershare Home Backup.
Tesla’s sales operation told a customer in May that the two products are not compatible, and cancelled an order on that basis.
Both statements were live at the same time.
The installation documentation instructs installers not to fit a Powershare Gateway to a Powerwall system and not to run communication wiring between the Wall Connector and the Powerwall.
The same manual contains a metering specification for Cybertruck-and-Powerwall systems, written ahead of a release that has not occurred.
Wes Morrill
Morrill has been Cybertruck lead engineer since November 2021 and, since September 2024, has concurrently held the title of Senior Director of Engineering for Reliability, Test and Analysis.
His Tesla tenure runs to more than 15 years, beginning as a test engineer in 2011 and moving through the powertrain test lab, the hardware development test lab and reliability engineering management.
Owner Costs
One participant in the August thread said he had understood the target to be summer 2026 and wanted the feature working on his Powerwall 2 “before the winter storm season.”
Foundation Series buyers, who paid a premium at launch, expected the capability on delivery.
A Powershare Home Backup installation without a Powerwall requires the Gateway and Universal Wall Connector, with hardware and installation costs owners report exceeding $6,000.
Tesla has told Powerwall owners they will not need that equipment.
