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I really like that the car can set schedule charging so I can charge from 11pm to 6am on NonPeak times then make power to sell back to the utility companies during peak.
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16.25 kW system here but I'm in AZ so my utility is different. Right now I'm on a 12-7 on-peak plan and I'm looking to switch to the standard, tiered-rate plan. Reason being, I waaaay overproduce during on-peak vs. off-peak.
As far as selling the power back, does CA give you a better rate? We get $.03/kWh and it's a statement credit at the end of the year for any remaining excess, not a check in the mail. Since I produce more than I use, anything beyond my personal consumption has a paltry ROI.
Very Nice man, love the set up. In California PGE pays us back at $0.04 Cents for extra (Dam Gangsters!) while they charge us anywhere from $0.16 Cents in Winter to $0.42 Cents in Summer. So Yes ROI on Extra is not great but with the Fed 30% Subsidy I can totally see building the system larger then you need. I mean who wants a True Up Bill from the Utility Company at the End of the Year?
I just built out 43 LG Neon2 310 Watt Panels to produce 20,000 Annual KWhrs. It should be a 13.5 kW system overall but I did buy the larger inverter for an extra $400 in the event I do want or need 8-10 more panels. The inverter they wanted to give me was only able to do the 43 panels, the next model up will do just over 50.
I see what you mean about going to Tier Rate because yes having extra power in summer selling back at say $0.42 cents peak while pulling extra from them in winter ways much more in your favor.
Did you pull a 240V 50AMP charger to the garage also?
I guess one positive to consider by going bigger....should PGE become like the rest of them and attach new "profit loss" fees for solar users and reduced buy-back like NV just did, you can more easily cut the cord and bring in battery backup. Maybe a bit extreme of an idea but an idea nonetheless.
I have 3 inverters. Is adding more inverters later an option for you?
Luckily, a 50A NEMA 14-50 was already installed in my garage.
Our new home is about half done.
One of our goals is to produce as much energy as our house and both Teslas use on an annual basis.
Unfortunately, the roof and solar panels are not complete yet, but this is a rendition from the architect.
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By the energy modeling we are just short. However, we are confident that we can produce as much solar energy annually as we use.
My setup is 21kw, 14kw in front of the house and 7kw on the garage. We build up a big surplus in the summer and consume it in the winter. This year we peaked at about 4900 KWhours surplus a month or so ago and we've started nibbling away at it as the heating season kicks in and the days get short. We may not quite make it this year because we only lit the system up in late June, but next year we should produce a little more than we consume
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Wait so what did Nevada just do? They changed the game for solar due profitability going down?
They're allowing the utilities to change the landscape back in their favor. The utilities say solar producers aren't paying their fair share for the grid. Less users to make a profit from means more of the burden goes to non-solar users. So to make up for profit loss, they charge you. I can understand some of the argument but only to an extent. I can most definitely understand paying a grid fee and meter fee but an additional penalty?
Anyhow, NV is creating a gradual 5-year increase in the fee for solar users and I believe they slashed the per-kWh credit amount by 75%. Pretty soon utilities will have you paying full price to use their grid half the time while you let them idle the plant during the day.