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Thanks to everyone for helping. I'll call PG&E to fix the problem.@yves31 Yes, PG&E often gets the initial billing wrong, and @getakey has the best advice: call PG&E directly. If you want bill advice here, you would need to post suitably redacted bills for other to go through. Your energy production isn't of much help, though it does point out the power costs were only $2.47, which suggests that the power portion of your bill did in fact go down.
All the best,
BG
I'll have to go back and review. I added PWs to existing solar and my NEM charge went up. I told them that was impossible as I was using Cost Saving mode. Took 2 months+ to convince them it was wrongThanks to everyone for helping. I'll call PG&E to fix the problem.
BGbreeder, $2.47 is average daily cost after PTO. It was $1.92 prior to PTO. There is an increase in daily cost, while the chart showing negative daily cost after PTO.
I read the bill carefully, and realized that no electricity generated by solar panel was counted. Daily energy balance (negative) was shown in the chart, but solar power credit was not counted in the bill. It calculates only kwh coming from PG&E.
Ampster, Rates are the same between the two bills, but kwh is higher in the current bill.
H2ofun and getakey, did you have the same issue: solar panel energy was not counted in the bill?
Thank you, miimura. I sent a message to PG&E and got reply two days later. Its response is exact what you said.@yves31 the way the online charting calculates and displays costs is not necessarily representative of your actual bill, especially after a change in rates or another major change like NEM PTO. It normally takes PG&E two or three billing cycles to calculate a post-PTO account correctly. Expect to see the first one or two bills after PTO completely reversed and recalculated.
Why the 3 powerwalls? I do not charge EV at homeWith a 12-17kW solar system, I would get 3 Powerwalls and then stay on EV2-A.
You want Powerwalls to get you through the most expensive Peak period. If you don't have an EV that will consume a lot of energy during Off-Peak then you EV2-A is not a good rate plan for you.Why the 3 powerwalls? I do not charge EV at home
You meant 16,500 kwh annual, right, so about a $0.25/kwh average rate? Not 165000, unless you're running a small data center or crypto farm (not unheard of in the South Bay) in the basement...I am about to pull the plug on Solar from Tesla, I I have had Solar at my previous place which prob covered 65-70% of my usage.
I am a PGE / SVCE Customer in South Bay, I have moved to a larger 4000 SQ FT Single story home, current average electric monthly bill is approx $325, Current annual usage prior to pool is approx 165000 KWH. I am on EV2A plan, (I never charge at home as very close to Super charger).
So for the last question, it's about adding one more 4.25 "block" of panels to go from about 100% to being a net producer. I did a similar ROI calc to add one "block" to go from my current 50% solar to 100%, I think the marginal numbers will be about the same from just below to just above 100%: I did calcs for both E-TOU-C and EV2-A:3. For the additional investment for a 17KW system will I get a decent cash credit from CCA and PGE at True UP ?
That is correct. 16,500 0.25 average on EV2A plan which I am guessing I should change.You meant 16,500 kwh annual, right, so about a $0.25/kwh average rate? Not 165000, unless you're running a small data center or crypto farm (not unheard of in the South Bay) in the basement...
If the grid is down, two Powerwalls can only absorb 10kW of power. With the 12kW solar system you would be OK, but the 17kW solar system is likely to either curtail or shut down altogether. If it is a Powerwall+ system, it may be able to gracefully curtail the solar. Otherwise, you could have a relatively low battery and mid-day solar production could overwhelm the batteries. You would have to either force some additional load from your house or turn off some of the solar to stabilize the system.Why the 3 powerwalls? I do not charge EV at home
Why do Tesla push the configuration this way e.g. 17KW with Two batteries? I am guessing people don't want to spend the money on batteries.If the grid is down, two Powerwalls can only absorb 10kW of power. With the 12kW solar system you would be OK, but the 17kW solar system is likely to either curtail or shut down altogether. If it is a Powerwall+ system, it may be able to gracefully curtail the solar. Otherwise, you could have a relatively low battery and mid-day solar production could overwhelm the batteries. You would have to either force some additional load from your house or turn off some of the solar to stabilize the system.
If you don't care about system backup performance, then it doesn't matter.
Why do Tesla push the configuration this way e.g. 17KW with Two batteries? I am guessing people don't want to spend the money on batteries.
I am getting my install in December, not sure which version Powerwall they will provide. adding a third PW will likely add $7k cost. Seeing as I never charge my EV at home, which rate plan should I move to?If the grid is down, two Powerwalls can only absorb 10kW of power. With the 12kW solar system you would be OK, but the 17kW solar system is likely to either curtail or shut down altogether. If it is a Powerwall+ system, it may be able to gracefully curtail the solar. Otherwise, you could have a relatively low battery and mid-day solar production could overwhelm the batteries. You would have to either force some additional load from your house or turn off some of the solar to stabilize the system.
If you don't care about system backup performance, then it doesn't matter.
I have taken the advise on-board and gone with the 17k system the only query I had was regarding either going for 2 or 3 PW's, is it really worth plucking me plucking up the extra $ for this?As almost everyone will tell you, go for the max amount of solar that you can.
We just added Powerwalls, and the only plan we were eligible for was EV2-A, unless we put in an extra meter.
I would encourage you to be mindful of the type of pump that you put in your pool and when you run it. Getting a modern pump motor is much more efficient, and will use much much less power.
All the best,
BG
Whether it is worth it depends on how tolerant you are off being without power, and for how long you can tolerate it. I have a friend who loves pulling out the kerosene lights and reading. The fires last year convinced us that being able to run HEPA type air filtration was worth a lot. YMMV...I have taken the advise on-board and gone with the 17k system the only query I had was regarding either going for 2 or 3 PW's, is it really worth plucking me plucking up the extra $ for this?