Summary
– GM announced V2H system for Chevrolet Silverado EV RST without the use of storage batteries
– V2H bundle initially available in certain states; GM planning to expand technology to other Ultium-based EVs by 2026
– Necessary hardware for V2H includes GM Energy Powershift Charger and V2H Enablement Kit
– Other automakers like Ford and Tesla also offer home backup solutions using their electric vehicles
– Unanswered questions regarding compatibility of V2H system with other EVs and potential limitations in providing home backup power if vehicle is not plugged in
Article
GM has introduced a new vehicle-to-home (V2H) system with the Chevrolet Silverado EV RST that allows EV owners to power their homes without the need for additional storage batteries like the Tesla Powerwall. The Silverado EV has a large 205-kwh capacity, equivalent to 15 Powerwalls, and can power an American home for days with just a small portion of its capacity. The V2H system will initially only be available in select states, with plans for expansion to other regions in the future.
GM has a broader vision for the V2H system, with plans to incorporate bidirectional charging technology across all its Ultium-based EVs by 2026. This includes models such as the GMC Sierra EV Denali Edition 1, Chevrolet Blazer EV, Chevrolet Equinox EV, Cadillac Lyriq, and future Cadillac Escalade IQ. The necessary hardware for compatibility with the GM Energy components is already present in some models, although the software update required for use will come at a later date.
To access the bidirectional functionality of the V2H system, owners will need to purchase the GM Energy Powershift Charger for $1,699 and the V2H Enablement Kit for $5,600, bringing the total cost to $7,299. Installation costs may vary depending on factors such as location, home age, and utility service. GM also plans to offer stationary energy storage and solar integration options later this year for those who want a complete energy solution from GM.
Although GM is not the first to market with bidirectional charging, as Ford and Tesla offer similar systems, GM’s V2H system offers a unique approach. The Ford Home Integration System and Tesla Powershare feature both allow for home backup power using energy from the truck. GM’s V2H system is also compatible with other EVs, potentially through an adapter, after GM transitions to the Tesla-based NACS connector.
Currently, the options for EVs that can provide home backup power are limited, with the Kia EV9 and Volvo EX90 being some of the few models with bidirectional charging features. As the industry shifts to standardized connectors like NACS, more EVs may be able to offer similar functionality. The main challenge with V2H systems is that the vehicle needs to be plugged in to provide home backup power, which may be a limitation in certain scenarios.
While the V2H system offers a convenient and eco-friendly way to power homes during outages, some homeowners may still prefer traditional backup solutions like the Tesla Powerwall. The Powerwall is currently priced at $9,300, with potential tax credits and installation costs. For those who prioritize portability and versatility in their backup power solutions, the V2H system may be a cost-effective and efficient choice, especially as the technology continues to advance and evolve.
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