General Motors & PG&E: Turning EVs into Home Energy Assets
Did you know EVs can be more than just greener alternatives to fossil fuelled vehicles?
Thanks to an initiative spearheaded by General Motors (GM) with utility company Pacific Gas & Electric (PG&E), EV owners can be part of the future of energy resilience, efficiency and sustainability.
What is the Vehicle-to-Everything pilot programme?
GM and PG&E’s Vehicle-to-Everything (V2X) pilot programme offers eligible GM EV owners in Northern California up to US$4,500 in incentives towards bidirectional home charging equipment.
The programme is just one way of demonstrating the potential of EVs as versatile energy resources, capable of powering homes during outages and potentially feeding energy back to the grid.
“By unlocking bidirectional charging for Vehicle-to-Home applications, GM and PG&E are demonstrating that electric vehicles can be more than just a mode of transportation,” GM’s CRO Aseem Kapur says.
“The product experience and the value for customers does not end when a GM EV is parked. The value keeps going without the customer needing to interact with the vehicle at all.
“We call this the all-electric lifestyle.”
The future of V2G?
While Vehicle-to-Home (V2H) technology offers immediate benefits to individual homeowners, the real game-changer could lie in Vehicle-to-Grid (V2G) applications.
V2G technology does what it says on the tin, allowing EVs to send power back to the grid.
The value keeps going without the customer needing to interact with the vehicle at all
Aseem explains: “Imagine thousands of EVs plugged in and ready to provide energy back to the grid when it’s needed most — during heat waves, storms or other demand spikes.
“This virtual power plant distributed energy resource can alleviate pressure on the grid, helping to prevent blackouts and stabilise energy supply and potentially lower costs across the market.”
Other benefits of V2G technology include:
- Grid resilience: By tapping into EV batteries during peak demand, utilities can reduce strain on power plants and enhance overall grid stability
- Renewable energy integration: V2G technology can help balance the intermittent nature of renewable energy sources like solar and wind
- Consumer empowerment: EV owners gain more control over their energy usage and costs, potentially earning incentives for participating in grid-support programmes
- Accelerated EV adoption: As EVs become valuable energy assets, the economic case for ownership strengthens, potentially driving faster adoption rates.
“With the right incentives and policies in place, programmes like this one could accelerate the shift toward a more distributed energy model,” Aseem continues.
Making the most of clean power
GM’s VP of Battery, Propulsion and Sustainability Kurt Kelty emphasises the impact this pilot has on solving California’s problems.
He says that 3,400GWh of clean power — enough to power 1.3 million EVs for an entire year — went unused because supply exceeded demand.
“Curtailment is expected to rise, unless we improve energy storage,” he says.
“That’s where batteries come in.
“The batteries powering EVs are one part of the solution. They can be charged when surplus electricity is available and they can help power homes during power outages.
“Batteries aren’t just transforming transportation — they’re empowering customers, stabilising the grid and making the most of renewable energy.”
What the pilot has taught us
Aseem asserts that, by taking the results of this pilot, GM can work with PG&E to fine-tune the customer experience, “ensuring bidirectional-capable vehicles can seamlessly integrate into the grid and be beneficial for overall grid resilience”.
He adds: “While giving customers the ability to use their GM EV as a back-up home generator is an incredible, practical benefit to customers, it is just the beginning of what we can do to help encourage mass EV adoption with this technology.”
Aseem hopes that GM’s collaboration with PG&E will lay a foundation for other V2G applications.
“The PG&E pilot is just the beginning,” he says.
GM’s EV initiatives
This is not the first time GM has innovated the EV and energy space in the name of stability and sustainability.
GM Energy is forging partnerships with utilities and energy aggregators nationwide to investigate the potential of electric vehicles in bolstering grid resilience and energy security.
As GM Energy advances its bidirectional charging technology and energy management systems, it is paving the way for a transformative future in energy distribution.
He concludes: “By positioning EVs as versatile energy assets, GM Energy is not only revolutionising the automotive industry but also reshaping the broader energy landscape.”
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