V2G (Vehicle to Grid) is coming. Any other california VPP participants here?

[RollingRefrigerator]

Check out what they are rolling out in Maryland:
https://www.energy-storage.news/mar...n-alongside-virtual-power-plant-tariff-rules/

Time to put that 123 kWh pack to work to earn it's keep?

In California, Tesla has a Virtual Power Plant program for PW users. Quick summary is during ultra high demand events, PW owners can export their battery power to the grid at a pretty insane rate of $2 per kWh. The idea being it's cheaper than paying to keep the more expensive (and dirty) power plants around for a couple dozen hours of use a year.

I finally got the chance to sign up this year (despite being eligible for 3 years and calling and emailing Tesla and PG&E multiple times to get it figured out). Based on previous years I expect to earn $300 - $600 a year.

But... Will Tesla and PG&E eventually decide to also let me export my CT power through Powershare? It's in both of their best interest, because they are making more off of this than I am, obviously. All the hardware is there now, and once they enable PS for PW users via a gateway SW update, seems like this could be the next step. And now that's another $246 worth of power for each event just in the truck.

Any other VPP participants out there? Thoughts on this? Scaling the concept up seems like the way to take advantage of recent improvements in solar and ev batteries and potentially start moving towards (towards, not saying we'll ever get there) a fully renewable grid. And what a marketing incentive to be able to tell a buyer they can actually make $1000+ a year while the car sits in the driveway.

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[Crissa]

I don't think they wired the truck to export power to the grid. But I might be wrong.

Still, you could use it to island your house (or a few circuits, or whatever Powerwall will let you) during peak time of use and really put a crimp in those costs.

-Crissa

 

[Scribbious]

I could be wrong but I think it is more of a matter of certification and speed of switching rather than wiring that could allow V2G.

I'm not sure how it works, but if one already has a powerwall with it's gateway and certification, wouldn't the Truck be able to flow power to it?

There are also other considerations I guess... How would it affect the battery warranty? The 100k miles is presumably related to XkWhs. Right? Lets be conservative and make the math easy and say it's 50k kWh based on 2 miles per kWh (I'm getting close to 3). If selling during peak demand times at $2/kWh, that pays for the truck!

During the earnings call last night, Elon mentioned what sounded sort of like 'Virtual Compute Resources' (VCR for fun). With VCR, your vehicles' computer could provide compute power when parked. Of course, it would eat up some kWh and you'd presumably be appropriately compensated. That gave me hope that Elon has changed his previous position on using vehicles for other purposes besides robotaxi to earn revenue and maybe keep our depreciation from dropping so badly.

 

[MynameisKhan]

Resurrecting this thread. Yes, I'm curious and hope that Tesla will make Cybertruck part of VPP in California. This will be additional justification for customers for their hefty purchase

 

[owl23]

I'm very curious about this as well.

Related question: Could the CT charge a Powerwall while the PW is simultaneously discharging?

In Maine, Powerwalls can already be used as part of the Efficiency Maine "Small Battery Management" program. Whenever there is a "demand response event" batteries will automatically be charged up to 100% and then drained to 15% (or whatever threshold the owner is comfortable with). A single Powerwall 3 can earn you an estimated $382.50 per year assuming approximately 40 (but no more than 60) events per year. Your actual earnings are based on actual power discharged.

Demand response events last 3 hours, which has me wondering if the PW could effectively serve as a conduit to continuously discharge for the entire event without actually falling to 15% SoC. If so, it seems that this could further enhance the earnings of a single PW during a demand response event even if the CT can't feed power directly to the grid.

 

[Crissa]

I'm very curious about this as well.

Related question: Could the CT charge a Powerwall while the PW is simultaneously discharging?

In Maine, Powerwalls can already be used as part of the Efficiency Maine "Small Battery Management" program. Whenever there is a "demand response event" batteries will automatically be charged up to 100% and then drained to 15% (or whatever threshold the owner is comfortable with). A single Powerwall 3 can earn you an estimated $382.50 per year assuming approximately 40 (but no more than 60) events per year. Your actual earnings are based on actual power discharged.

Demand response events last 3 hours, which has me wondering if the PW could effectively serve as a conduit to continuously discharge for the entire event without actually falling to 15% SoC. If so, it seems that this could further enhance the earnings of a single PW during a demand response event even if the CT can't feed power directly to the grid.

I don't know; probably, since the powerwall can be configured to handle spikes in power usage in the house while solar or grid is limited. But it might just be passthrough - just using the power from the truck instead of the powerwall.

-Crissa

 

[mongo]

Related question: Could the CT charge a Powerwall while the PW is simultaneously discharging?

That's unpossible. At any point in time current is either flowing into the Powerwall battery or out of it.
If CT was charging PW, PW would not be discharging.

Theoretically, CT could charge PW which could then export to the grid, but Gateway would need to switch to island and back.

 

[Crissa]

That's unpossible. At any point in time current is either flowing into the Powerwall battery or out of it.

That's not quite how that works.

They're describing a situation where the truck is providing current =A while the house is consuming B<A so could the powerwall absorb the remainder =A-B?

Possibly, but I don't know. This is possible with a solar input. My Ecoflow does this by default.

-Crissa

 

[mongo]

That's not quite how that works.

They're describing a situation where the truck is providing current =A while the house is consuming B<A so could the powerwall absorb the remainder =A-B?

Possibly, but I don't know. This is possible with a solar input. My Ecoflow does this by default.

-Crissa

In that situation, the Powerwall isn't discharging though.

@owl23, did you mean can the CT charge the PW?

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