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This discussion is turning in another direction, but I wanted to point out again, to avoid the NEM charges, you don't have to be totally off grid. All you have to do is to take your solar off grid (and you can have it still power a subset of your loads). I believe that was what people were talking about when off grid was mentioned.I just got my latest PGE bill. I use about 60 to 80 kwh per day with heat pumps, christmas lights etc. And folks think any amount of solar and batteries could cover this and be off grid? Impossible. Even with my 30kw solar, I am lucky to average lets say 30 kwh per day per month in winter. Batteries would be dead if that is all I used. So again, for folks with gas, but thinks we should be all electric with EV's, etc, well, .. I walk the talk with a 99% electric house, and again, impossible, totally impossible, to be totally off grid!!
It gets confusing. So say off grid meaning no connection at all to PGE. Others are I believe really meaning non export, but still connected to grid if needed, like meThis discussion is turning in another direction, but I wanted to point out again, to avoid the NEM charges, you don't have to be totally off grid. All you have to do is to take your solar off grid (and you can have it still power a subset of your loads). I believe that was what people were talking about when off grid was mentioned.
There's actually more variations that than. Here's just 3:It gets confusing. So say off grid meaning no connection at all to PGE. Others are I believe really meaning non export, but still connected to grid if needed, like me
He only had to pay PG&E $110. He still paid for the ability to generate that 11,000 kWh.Another perfect example of why NEM 3 is coming.
Although the item is now off the agenda, any one still interested should consider providing a one-minute public comment at the next online CPUC meeting on January 27th at 10am. Public comment can typically be made on items not on the agenda (or in this case in future).Looks like CPUC removed the decision for next week's meeting.
My guess is they will quietly pass it in their next meeting.
Hope Newsom comes in and renegotiate the terms. Or Newsom might get roasted in his reelection by his solar supporting Democrat voters.
Probably the utilities spending ad money on this. As discussed up thread, it's obvious they are trying to use class warfare to get public support. Remains to be seen if the public and Newsom would be fooled by this. From the public comments, most of the supporters of NEM 3 that appear to genuinely be from the public are the ones who fell into the trap of green=left and are mostly supporting it as a way to pare back solar subsidies (they of course don't mention the flat fee being introduced for even owning the solar system in the first place).I heard an ad on the radio pitting low income versus rich solar urging people to call Newsome and fix the "solar problem" by implementing NEM3
Probably not the right thread to discuss deeply, but if you mean you have existing micro's, and Enphase (most likely), and system is more than a few years old, then a lot of new equipment will be incompatible with the old system - per my own investigation on adding 1kw or so. The older Enphase are four-wire setups; their newer micro's are a two-wire setup, so you can't add onto the existing strings. Older Envoy monitoring can't talk to the new micro's (though if you buy a new Envoy it can talk to the old ones).Anyone have any recommendations on some panels to add to my system with micro inverters. Something reasonable but not low quality. This will be DIY on a flat roof, I'm thinking 2kW.
What do you mean by older? IQ7 and Enphase IQ have been around for a few years and are two wireProbably not the right thread to discuss deeply, but if you mean you have existing micro's, and Enphase (most likely), and system is more than a few years old, then a lot of new equipment will be incompatible with the old system - per my own investigation on adding 1kw or so. The older Enphase are four-wire setups; their newer micro's are a two-wire setup, so you can't add onto the existing strings. Older Envoy monitoring can't talk to the new micro's (though if you buy a new Envoy it can talk to the old ones).
So even though AC is still AC, you'd basically be running separate conduit back to the panel, and doing a whole separate 2kW system from the old one. Or else scavenging on eBay for discontinued microinverters as well as looking for older, smaller panels (250-300W) range, to expand the existing system.
my literal quote was: "more than" a few yearsWhat do you mean by older? IQ7 and Enphase IQ have been around for a few years and are two wire
Separate parallel system. On inverter now and want a complete second system.Probably not the right thread to discuss deeply, but if you mean you have existing micro's, and Enphase (most likely), and system is more than a few years old, then a lot of new equipment will be incompatible with the old system - per my own investigation on adding 1kw or so. The older Enphase are four-wire setups; their newer micro's are a two-wire setup, so you can't add onto the existing strings. Older Envoy monitoring can't talk to the new micro's (though if you buy a new Envoy it can talk to the old ones).
So even though AC is still AC, you'd basically be running separate conduit back to the panel, and doing a whole separate 2kW system from the old one. Or else scavenging on eBay for discontinued microinverters as well as looking for older, smaller panels (250-300W) range, to expand the existing system.
If both the old (if it's 4-wire as you say, presumably includes neutral and ground) and new (2-wire, 240V only) inverters have a 20A max branch circuit spec, and if there's headroom on the existing 20A branch circuit for the new inverters, I don't see why they couldn't be mixed. Enphase likely doesn't make an adapter cable, so it would require an on-roof junction box where 2 of the 4 wires are extended to the new cable type used by the new microinverters.Probably not the right thread to discuss deeply, but if you mean you have existing micro's, and Enphase (most likely), and system is more than a few years old, then a lot of new equipment will be incompatible with the old system - per my own investigation on adding 1kw or so. The older Enphase are four-wire setups; their newer micro's are a two-wire setup, so you can't add onto the existing strings.
Yeah, being microinverters, figured two wires are just 240VAC. So the proprietary 4-wire cable just junctions into regular AC wiring somewhere near the panels, I guess? But practically speaking, the old installer is not willing to make a hybrid system, rather than running new conduit all the way. And new installer likely won't touch the old system, let alone what that might do to the original warranties to modify the system that way. So I guess DIY is the way.If both the old (if it's 4-wire as you say, presumably includes neutral and ground) and new (2-wire, 240V only) inverters have a 20A max branch circuit spec, and if there's headroom on the existing 20A branch circuit for the new inverters, I don't see why they couldn't be mixed. Enphase likely doesn't make an adapter cable, so it would require an on-roof junction box where 2 of the 4 wires are extended to the new cable type used by the new microinverters.
Cheers, Wayne
IIRC that cable is just for use on the roof, so it connects to the building wiring at a junction box on the roof or nearby.So the proprietary 4-wire cable just junctions into regular AC wiring somewhere near the panels, I guess?
I heard that add on KGO radio yesterday or day before? Most likely from a group funded by the IOUsI heard an ad on the radio pitting low income versus rich solar urging people to call Newsome and fix the "solar problem" by implementing NEM3