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  • Drew Dowdell
    Drew Dowdell

    By Drew Dowdell •

    Tesla Supercharger access now open for Hummer EV drivers

      After being delayed in May, SuperCharger access for Hummer EVs is now open.

    GMC Hummer EV drivers can now charge their gargantuan EVs on Tesla Superchargers, according to an announcement on GMC's website. Enabling Supercharging requires an update to the myGMC app; however, users can use the Tesla app and register temporarily as a Rivian R1S until the app update completes. Drivers who expect to use the Tesla Superchargers network regularly may wish to sign up for a $12.99 subscription through the Tesla app, which grants a 10c/kWh discount.  With a 200 kWh battery, just two charges from 20% - 80% per month would cover the membership fee.

    The myGMC app will also allow owners to purchase an official NACS to CCS adaptor.  While third-party NACS to CCS adapters are available for purchase, they are not officially approved for use on Tesla's network.

    With this change, GMC says that Hummer EV drivers now have access to approximately 195,000 charge points across North America.  Most Tesla Superchargers are of the 250kw variety, and while not specified in GMC's announcement, we suspect that the Hummer EV is not eligible to charge on the 150kw chargers, much like the Ford EVs, which cite the same 15,000 number for eligible Superchargers.  Limited to 250kw charging speeds, Hummer EV drivers may wish to limit the use of Tesla stations to a last resort while traveling as they will not reach the full 350kw charging speeds their vehicle is capable of. GM has also partnered with Flying-J / Pilot to offer 350kw charging at truck stops nationwide and is a founding member of the new IONNA Network that will offer both CCS and NACS charging without an adaptor.

    There is no announcement yet on Tesla Supercharger Access for their other EVs. 

    Drivers can identify 250kw chargers by the black collar at the end of the charging cable.

    UPDATE: It appears that GMC might have leaked this information early.  The language on the website announcing Supercharger access has been removed. Via the Wayback Machine, the language on GMC's website as of July 15th said:

    Quote

    GMC customers now have access to 15,000+ Tesla Supercharger locations across North America. Download the myGMC mobile app* to activate Tesla Supercharger Access, purchase a NACS DC adapter, and enjoy expanded fast charging options.

    Tesla Charging Stations Compatible with Ford.pngTesla Charging Stations Not Compatible With Ford.png

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    Drew Dowdell
    19 hours ago, G. David Felt said:

    I am surprised that GMC is making these owners buy their adapter, but then I guess if you can afford to pay $150,000 for an EV, you can afford the price of the adapter. 

    @Drew Dowdell Does GMC say what the cost of the adapter is?

    It appears that GMC may have accidentally leaked this information early.  See my update in the article. 

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    On 7/15/2024 at 3:36 PM, G. David Felt said:

    I am surprised that GMC is making these owners buy their adapter, but then I guess if you can afford to pay $150,000 for an EV, you can afford the price of the adapter. 

    @Drew Dowdell Does GMC say what the cost of the adapter is?

    “Tesla Supercharger access now open for Hummer EV drivers”


    Not quite.

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    Drew Dowdell
    7 minutes ago, Guest said:

    “Tesla Supercharger access now open for Hummer EV drivers”


    Not quite.

    Yeah, it appears that the Hummer VINs are in the Tesla system and if you use the Tesla App to charge by saying it’s a Rivian, it will work, but this was a premature leak on the GMC website at the time I posted the article.

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