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I am interested in using the Silverado to power my house when the grid is down. We have 49 solar panels in a grid tied system.
My question is can I use the Silverado EV battery as the battery in a battery back up up system with charge controller when the grid is down. I would save by not buying house batteries this way. My grid tied system shuts down when the grid is off. The battery takes the excess power when the grid is down instead of being fed back into the power grid with my net metering power meter.
 

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Hey @nickelcityboats welcome to the forum! GM haven't confirmed it yet as a feature of the Silverado EV but they are working on it.

GM is currently working on a pilot program to have EVs like the Silverado EV be capable of powering a home. The project is expected to open to customer trials by the end of the year.


SAN FRANCISCO and DETROIT — Pacific Gas and Electric Company and General Motors today announced a breakthrough collaboration to pilot the use of GM electric vehicles as on-demand power sources for homes in PG&E’s service area.

PG&E and GM will test vehicles with cutting-edge bidirectional charging technology that can help safely power the essential needs of a properly equipped home. EVs play a critical role in achieving California’s goals for reducing greenhouse gas emissions and already provide customers with many benefits. Bidirectional charging capabilities add even further value by improving electric resiliency and reliability.

“We are really excited about this innovative collaboration with GM. Imagine a future where everyone is driving an electric vehicle — and where that EV serves as a backup power option at home and more broadly as a resource for the grid. Not only is this a huge advancement for electric reliability and climate resiliency, it’s yet another advantage of clean-powered EVs, which are so important in our collective battle against climate change,” said PG&E Corporation CEO Patti Poppe.

By the end of 2025, GM will have more than 1 million units of EV capacity in North America to respond to growing demand. The company’s Ultium Platform, a combined EV architecture and propulsion system, enables EVs at scale for every lifestyle and price point.

“GM’s collaboration with PG&E further expands our electrification strategy, demonstrating our EVs as reliable mobile sources of power. Our teams are working to rapidly scale this pilot and bring bidirectional charging technology to our customers,” said GM Chair and CEO Mary Barra.

How the pilot will work

PG&E and GM aim to test the pilot’s first vehicle-to-home capable EV and charger by summer 2022. The pilot will include the use of bidirectional hardware coupled with software-defined communications protocols that will enable power to flow from a charged EV into a customer’s home, automatically coordinating between the EV, home and PG&E’s electric supply. The pilot will include multiple GM EVs.

Following lab testing, PG&E and GM plan to test vehicle-to-home interconnection allowing a small subset of customers’ homes to safely receive power from the EV when power stops flowing from the electric grid. Through this field demonstration, PG&E and GM aim to develop a user-friendly vehicle-to-home customer experience for this new technology. Both teams are working quickly to scale the pilot with the goal of opening larger customer trials by the end of 2022.
 

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Past: Tesla Model S, 3, X. Volvo XC90 PHEV. Current: F150 Powerboost Hybrid
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I have a tech-agnostic setup for my 32 panel grid-tied, battery backup solar.

I've just got a 50A generator plug on the side of the house that ties into the inverter. I can use it to refill the house battery in case we're down for an extended time with no sun. Not elegant, but also not paying Ford or Chevy or their installer $10K more....

I already have the instant-on battery backup anyway, and I'll have plenty of warning before that runs out, so no need to have the backup to the backup on instant standby.
 
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