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Still no ROIThis is interesting. When we built the house, we ran all the wiring to be able to support powerwalls, but the economics of them didn't make any sense, and they were a pain to get.
At these prices, I am wondering if it makes sense to relook at the ROI of powerwalls. Are they still the cheapest storage around? I have diesel generator backup, so I don't place any value on backup power, but do have the hassle of integrating the generator backup which Tesla doesn't make easy.
Also, I have been waiting for more EV's shipping with V2H capability (Tesla really lags in this area), because at prior prices I could get close to the same cost of storage and get a vehicle at very low incremental cost.
I guess it will be V2H equipped vehicles that will force them to reasonable prices. Though maybe the ROI is a lot better outside PGE land and that will never happen.Still no ROI
I would much rather have the ability to use my tesla as V2H. For what the powerwalls cost, the tesla would have been free. V2H may just kill powerwalls. Why would anyone buy when a car can serve 2 for 1?I guess it will be V2H equipped vehicles that will force them to reasonable prices. Though maybe the ROI is a lot better outside PGE land and that will never happen.
I would much rather have the ability to use my tesla as V2H. For what the powerwalls cost, the tesla would have been free. V2H may just kill powerwalls. Why would anyone buy when a car can serve 2 for 1?
I see V2X as a supplement to PWs, not a replacement. I don't know if I am in the minority here, but working away from home 5 days a week during solar production hours, my vehicle is not going to do a very good job doing what PWs do, storing excess solar energy and using it to power the house outside solar hours.
Received notification of site inspection today (scheduled 9/12)Just ordered an additional powerwall today. Let’s see how this goes…
How much do they want for it? Includes install I suppose.Just ordered an additional powerwall today. Let’s see how this goes…
$8500 + tax is cash price including installation. Hoping to get Tesla rebate of $500 if installed before 10/31 (but suspect that moge miss that date give permits, etc.)How much do they want for it? Includes install I suppose.
I am surprised installation is so expensive to add one more battery.
I guess that conduit price is gold plated?
It's $800. The -$1,500 is a reduction in installation cost, not a bonus for being an existing customer.I am surprised installation is so expensive to add one more battery.
Anything special needed because now I would have 3 PWs and possible 5kW discharge rate each?It's $800. The -$1,500 is a reduction in installation cost, not a bonus for being an existing customer.
Cheers, Wayne
Perhaps I missed something, but could you elaborate on what exactly is your question?Anyone have an idea how to analyze "Do I need this?" situation ?
My current setup is 10 kW array 2 PWs. We are in MA and NGrid is provider. We don't have Time of Use rates and enjoying net metering, but who knows how long it will continue. During winter PWs never fully charged but in a summer I often export to grid ( and build my credit toward winter usage). I also let NG drain PWs in pick hours (ConnectedSolution)
So I wonder if there is any more-less scientific way to assess "make sesne' vs "want".
Perhaps I missed something, but could you elaborate on what exactly is your question?