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Tesla Virtual Power Plant in CA

bmah

Moderator, Supercharger Hunter
Global Moderator
Mar 17, 2015
4,853
10,458
Lafayette, CA, USA
To some questions of the questions:

- 5:30 PM at about 900 W and dropping quickly. Our panels face slightly west and are not shaded before sunset behind the coastal range.
- We have only seen anticipatory charging for Storm Watch.
- This will be the 3rd VPP and no anticipatory charging from the grid.

VPP events aren't supposed to cause grid charging as far as I know.

Bruce.
 
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Wow, yet another VPP Event. These are far more frequent than I anticipated. I figured VPP Events would help support the grid during Flex Alerts or more critical events. I didn't expect them to become a daily peak hour service. $1K/Mwh is well beyond current wholesale rates. I am curious whether this run of serial events is for testing purposes or (highly speculative here) whether Tesla has a deal to help bail out Vistra's battery backup at Moss Landing and any clean power obligations related to this facility. The Moss Landing battery backup was mostly offline last month following a thermal event (and it may still be offline). A couple of side notes, my PW did top itself off from the grid in preparation for the first of the VPP Events last week. I also would prefer that they drop the discharge rate from 4Kwh down to 2Kwh so it can run through the entire Event and because I would prefer less strain on the PW.
 

Incredulocious

LEAF → RAV4EV → Model 3 → Model Y
Mar 31, 2012
433
618
Scotts Valley, CA
Wow, yet another VPP Event. These are far more frequent than I anticipated. I figured VPP Events would help support the grid during Flex Alerts or more critical events. I didn't expect them to become a daily peak hour service. $1K/Mwh is well beyond current wholesale rates. I am curious whether this run of serial events is for testing purposes or (highly speculative here) whether Tesla has a deal to help bail out Vistra's battery backup at Moss Landing and any clean power obligations related to this facility. The Moss Landing battery backup was mostly offline last month following a thermal event (and it may still be offline). A couple of side notes, my PW did top itself off from the grid in preparation for the first of the VPP Events last week. I also would prefer that they drop the discharge rate from 4Kwh down to 2Kwh so it can run through the entire Event and because I would prefer less strain on the PW.
I’m near Santa Cruz and have been signed up with the VPP plan from the start but I have yet to see even one of these events with my Powerwalls. I’m on PG&E and with the Central Coast Community Energy program (previously Monterey Bay Community Power). My reserve is often set at 30% (though at 40% right now following the recent extended outage (2+ days) from the storm.) Switched back to self-powered from time-of-use a couple of months ago because I didn’t like how often it would use grid power unnecessarily overnight.

Don’t know what’s different with where you are.
 
I’m near Santa Cruz and have been signed up with the VPP plan from the start but I have yet to see even one of these events with my Powerwalls. I’m on PG&E and with the Central Coast Community Energy program (previously Monterey Bay Community Power). My reserve is often set at 30% (though at 40% right now following the recent extended outage (2+ days) from the storm.) Switched back to self-powered from time-of-use a couple of months ago because I didn’t like how often it would use grid power overnight,

Don’t know what’s different with where you are.
Even more interesting. I am likewise on PG&E and Central Coast Community Energy. Tesla really seems to enjoy discharging my PW. Santa Cruz and Monterey both have routes to Moss Landing. The Event started at 4pm.
 

Incredulocious

LEAF → RAV4EV → Model 3 → Model Y
Mar 31, 2012
433
618
Scotts Valley, CA
not that far from bruce but i'm not aware of any VPP events here - strange. does the app reliably give a notification on iOS, or would i only know this based on powerwall behavior?
Haven’t seen any VPP notifications but also haven’t seen any unexpected behavior: charging up during first half of day, exporting in afternoon and running on battery until late night. All as expected.
 

bmah

Moderator, Supercharger Hunter
Global Moderator
Mar 17, 2015
4,853
10,458
Lafayette, CA, USA
I live in Stockton. I hope the vpp events keep happening. I'm racking up $10-$20 every time it happens. If it continues every day for a year, it would pay off a powerwall.

My guess is the VPP events of last week were mostly test events, and that in general these are not likely to be routine or frequent happenings. Again, just my guess.

Bruce.

PS. @astrorob I have gotten notifications for VPP events on the iOS mobile app, but I wouldn't necessarily say this was "reliably".
 

bmah

Moderator, Supercharger Hunter
Global Moderator
Mar 17, 2015
4,853
10,458
Lafayette, CA, USA
No, but $20/day will.

Just my opinion...

I think you might want to reduce your expectations about how often VPP events will occur (these are likely to be infrequent, not daily) and how much you'd be able to make per event (particularly during the wintertime when most people have reduced daily solar production). Also note the current VPP program for people in the PG&E service area is a "pilot" program. There's no guarantee that it'll be made permanent (based on some wording in the agreement in the app, I would guess it will last through February unless it's extended).

In short, this VPP program isn't going to turn your Powerwalls into ATM machines. :cool:

Bruce.
 
459A5A9F-1610-473C-B08C-6FBE9561ACF6.jpeg

For those who have a 4 kW export limit to the grid (mine started limiting this week after exporting just fine all weekend), there should be a fix next week.
 
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