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What I've seen, the utility's trick has been to reduce the 'rate' converting some of it into NBCs.Thanks for the clarification, that is what I thought. [My example was $0.10/kWh total cost including the NBCs of $0.02/kWh.]
Cheers, Wayne
Thanks for the clarification, that is what I thought. [My example was $0.10/kWh total cost including the NBCs of $0.02/kWh.]
Cheers, Wayne
Pretty sure I am going to muddy up the waters here.Here's the explanation given for the two options:
(1) NEMMT (NEM Multiple Tariff)
Maintain your original system including currently locked-in rates under NEM 1.0 for the remainder of your allowed 20 years while adding the new generation (system) under NEM 2.0 by installing a Net Generation Output Meter (NGOM) at your own expense, which can cost up to $6,000. You will essentially own two systems, each running on its own separate meter per assigned NEM tariff. This option will "grandfather" the NEM 2.0 system under the NEM 2.0 tariff for a full 20 years, beginning from the issuance of the PTO (permission to operate) for this project. Utility states estimated cost for customer that will be determined by the utility. This option will not be financed by Tesla in any way.
OR
(2) NEM2
Place both the original NEM 1.0 system and the added generation under the NEM 2.0 tariff. Choosing this option preserves the original PTO date from the NEM 1.0 system as relates to the grandfathering provision. Both systems will function together per NEM 2.0 regulations and tariff. There are no added costs for this option.
The PG&E NEMMT billing with Powerwalls is truly ridiculous. Mine is more ridiculous because I'm also on the SVCE CCA. There is a "short form" black and white bill and a "long form" version. The short form doesn't say anything useful and the long form is overly complicated with every single item from the Unbundled Rates section of the tariff listed out individually in various tables. The bottom line is that you're still paying according to your base rate schedule and NEM tariff. Having Powerwalls doesn't change that, so I'm mystified why they can't use the normal billing system that generates the Blue bills.Pretty sure I am going to muddy up the waters here.
I installed 2 PW's onto my existing solar system (that was on NEM 1.0 with PG&E). Once the interconnect agreement went through, I was transferred into a NEMMT account. The rate schedule indicates EVA/NEMMT. I did not install a separate meter. I am looking at the NEMMT bill and it is extremely complex and I can't make heads or tails of it. If anybody would like to take a look and help me decipher that would be awesome. Thanks.
The PG&E NEMMT billing with Powerwalls is truly ridiculous. Mine is more ridiculous because I'm also on the SVCE CCA. There is a "short form" black and white bill and a "long form" version. The short form doesn't say anything useful and the long form is overly complicated with every single item from the Unbundled Rates section of the tariff listed out individually in various tables. The bottom line is that you're still paying according to your base rate schedule and NEM tariff. Having Powerwalls doesn't change that, so I'm mystified why they can't use the normal billing system that generates the Blue bills.
If you want to PM me and send me your bill by e-mail, I can highlight the important parts, send it back to you and then discuss it with you.
what he said...@Magiken - NEMMT doesn't necessarily refer to your situation. NEMMT is also used for a standard Powerwall install with solar. I have NEM 1.0 for my solar and 2 Powerwalls and was converted over to the NEMMT. I think for most of us posting here that's the case. I don't remember hearing anyone who was combining a NEM 1.0 and NEM 2.0 system before your post.
This is correct. Everyone with Powerwalls in PG&E territory is pushed into NEMMT for some crazy reason. The bill calculation is supposed to be the same as before, but something about the Powerwalls pushes us out of the conventional billing system.@Magiken - NEMMT doesn't necessarily refer to your situation. NEMMT is also used for a standard Powerwall install with solar. I have NEM 1.0 for my solar and 2 Powerwalls and was converted over to the NEMMT. I think for most of us posting here that's the case. I don't remember hearing anyone who was combining a NEM 1.0 and NEM 2.0 system before your post.
If you're getting a Powerwall and additional solar, you need to make a point to clearly tell them you want a split NEM 1 and NEM 2 system with separate metering. I doubt they've ever done one.Ah, I didn't realize PG&E was forcing the 'battery only' folks as well. That's interesting and makes no sense.
In any event, we've called PG&E and they've given us a rough number of $800-$1000 per NGOM which leans me towards the split route. To give a final estimate, they need a study from Tesla which we are attempting to coordinate now.
@miimura - Tesla's never once mentioned any issue(s) with using a split NEM 1.0/2.0 system. I'll let you know if that changes.
I heard back from PG&E today. The answer was a bit surprising to me, so I'd be inclined to seek independent confirmation (e.g. reading the tariffs), but this is what I was told:OK, 45 minutes and 3 people at PG&E Solar Customer Service Center failed to provide an answer on how NBCs work with two meters and a joint NEM 1.0 / NEM 2.0 system. Perhaps I will hear back from them as promised.
I heard back from PG&E today. The answer was a bit surprising to me, so I'd be inclined to seek independent confirmation (e.g. reading the tariffs), but this is what I was told:
If you have an existing NEM 1.0 solar system and add enough new generation that you can't retain your NEM 1.0 status for the combined system, then you do have two choices: a combined system on a single meter, or adding a second meter just for the new generation. Regardless of that choice, all generation will be under NEM 2.0 going forward. The only difference is in how long you are guaranteed NEM 2.0 status, versus being forced onto some future NEM 3.0 or later.
With a single meter you are guaranteed NEM 2.0 status for the combined system for 20 years from the PTO of the original PV system. So you get less than 20 years of NEM 2.0 status on the new system. If you use two meters, then your new system gets the full 20 years of NEM 2.0 status and is supposed to stay on NEM 2.0 after the original system has lost NEM 2.0 status.
Of course, all this is subject is how the new tariffs will be written in the future, but that is the current intention.
Cheers, Wayne