Originally posted by NJturtlePower
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OutBack FP1 w/ CS6P-250P http://bit.ly/1Sg5VNH -
Originally posted by macaddict View Post
From what I've been seeing in PVOutput, the "A" inverters can go over a little bit. For example, my SE7600A peaks at 7850W. The "H" (HD Wave) models seem to peak at the rated max.
But an interesting aspect is that they are rated on output AMPS. Thus when the grid Voltage is a bit high, almost all inverters can output a bit more watts.OutBack FP1 w/ CS6P-250P http://bit.ly/1Sg5VNHComment
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Originally posted by macaddict View Post
From what I've been seeing in PVOutput, the "A" inverters can go over a little bit. For example, my SE7600A peaks at 7850W. The "H" (HD Wave) models seem to peak at the rated max.Originally posted by ButchDeal View Post
Yes, Some models have a short peak capability slightly higher than their continuous output rating.12.35 kW - https://pvoutput.org/list.jsp?sid=67749Comment
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Originally posted by NJturtlePower View PostSo yesterday at some point I noticed my highest Peak Output @ 11400W matching my inverter size.
Just searching through other favorited systems on PVoutput I sometimes see peaks HIGHER than their rated inverter at times....Is there a bit of overhead on some units and not others?
11.4peakB.jpg11.4peakA.jpg
ButchDealhttps://pvoutput.org/list.jsp?sid=69875Comment
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Caught my first power outage the other day, luckily a short one. Good to know the inverter is being tested to all the production variables early on.
3438613A-7F36-4446-A07B-919F1F424872.jpeg
10-days running as of today....
12.35 kW - https://pvoutput.org/list.jsp?sid=67749Comment
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I almost pulled the trigger on a single Tesla Powerwall.... so it could cover small outages and still run solar during those times. They recommend two of them.... but one should last an entire day.Comment
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Originally posted by flowing View PostI almost pulled the trigger on a single Tesla Powerwall.... so it could cover small outages and still run solar during those times. They recommend two of them.... but one should last an entire day.
It COULD always be added later I'm sure, maybe a little more complicated connection, but hopefully the pricing might come down as well in coming years. Right now you're looking at about $7k per Powerwall before incentives and while that not far off a whole house generator install it makes more sense in states where you could also use that Powerwall for off-peak charging...no such incentive here in NJ, or at least with JCP&L.12.35 kW - https://pvoutput.org/list.jsp?sid=67749Comment
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One of the recent energy sage email blasts had an interesting article about a few utilities in New England running battery storage pilots, where they subsidize the cost in exchange for limited load management rights.
The idea of battery storage with islanding capabilities is really appealing, but the quoted two powerwalls would have more than doubled the cost of our system, and was more than three times the installed cost of a whole home gas generator. If PSE&G decides to get in on the act, I'd certainly be interested.
https://www.pvoutput.org/list.jsp?sid=73948Comment
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1 powerwall may last you a day, but how many will it take to last overnight ?Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-ListerComment
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shet Hey, just noticed your post on the other GPE thread and figured I would tag you here on mine in case you haven't seen my journey.
Post #1 will give you most the details and the rest has just been design and equipment debates, install updates, off track ramblings by myself and others and finally my PTO 10-days ago.
Nice to see some older GPE install folks around...guessing yours was pre-critter guards included based on your recent issues. Anyways, feel free to follow along here and at my PVoutput link in my signature. See ya round!12.35 kW - https://pvoutput.org/list.jsp?sid=67749Comment
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Originally posted by Mike90250 View Post1 powerwall may last you a day, but how many will it take to last overnight ?Attached FilesComment
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Originally posted by flowing View Post
7 Days with two powerwalls + Solar.Comment
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Originally posted by SunEagle View Post
Think about what they are saying. I use over 40kWh a day and I would expect those powerwalls are not rated 20kWh each so 7 days worth of power would be an overestimation
But don't you think you would have some solar generation during that time to recharge them?12.35 kW - https://pvoutput.org/list.jsp?sid=67749Comment
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Originally posted by flowing View Post7 Days with two powerwalls + Solar.
Your grid is down because a storm came through. That could mean lawn chairs on your solar array, heavy clouds, or zombies.
Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-ListerComment
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I can't speak for anyone else, but out in my quasi-rural area, we experience half a dozen to a dozen minor outages (<1 hour) in a given year and have had one major, multi-day outage after an ice storm two winters ago. While the picture of uninterrupted comfort is nice, given what it costs to actually operate a whole home generator, do people really maintain normal consumption patterns while islanded?
Seems like a reasonably sized battery + solar could keep the well and septic pumps running and a minimum amount of lights and miscellany going for a good while even with cloudy skies. Of course, you could buy a lot of nights in a decent hotel for the cost of two power walls, also.https://www.pvoutput.org/list.jsp?sid=73948Comment
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