On 7/18/19 3:47 AM, moskowitz via EV wrote:
On-peak generation only offsets on-peak usage. The same goes for off-peak.
On July 17, 2019 at 11:07 PM Robert Bruninga wrote:
Is it true that only on-peak overgeneration can then credit on-credit
usage? IE, you dont geet to apply expensiv
On-peak generation only offsets on-peak usage. The same goes for off-peak.
> On July 17, 2019 at 11:07 PM Robert Bruninga wrote:
>
> Is it true that only on-peak overgeneration can then credit on-credit
> usage? IE, you dont geet to apply expensive kWh to cheap ones you use?
>
> Or is
. then add panels at your leisure and at 20% of the
> >> cost.
> >>>
> >>> bob
> >>> On Sun, Jul 14, 2019 at 10:50 AM Peri Hartman via EV <
> ev@lists.evdl.org>
> >>> wrote:
> >>>
> >>>> Actually, I am proposing
On 7/15/19 6:47 AM, paul dove via EV wrote:
It depends where you live. The house a used to live in was rural. Power went
out several times a year. Once for 3 days after a tornado and another time for
3 days after an ice storm. Probably not often enough to justify the expense but
it is very i
bob
>>> On Sun, Jul 14, 2019 at 10:50 AM Peri Hartman via EV
>>> wrote:
>>>
>>>> Actually, I am proposing something simpler than a power wall - that does
>>>> not feed back to the grid. Maybe that simplification doesn't reduce the
>>>
ractor prices... then add panels at your leisure and at 20% of the
> >> cost.
> >>>
> >>> bob
> >>> On Sun, Jul 14, 2019 at 10:50 AM Peri Hartman via EV <
> ev@lists.evdl.org>
> >>> wrote:
> >>>
Nicely said David,
Mark Grasser
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of EVDL Administrator
via EV
Sent: Sunday, July 14, 2019 2:17 PM
To: Electric Vehicle Discussion List
Cc: EVDL Administrator
Subject: Re: [EVDL] Solar off grid with an EV
> > wrote:
> >
> >> Actually, I am proposing something simpler than a power wall - that does
> >> not feed back to the grid. Maybe that simplification doesn't reduce the
> >> cost of the battery system much, but it would reduce the legal paper
> &g
roposing something simpler than a power wall - that does
>>>> not feed back to the grid. Maybe that simplification doesn't reduce the
>>>> cost of the battery system much, but it would reduce the legal paper
>>>> work down to a normal electrical permit.
>&g
ormal electrical permit.
>>
>> Peri
>>
>> -- Original Message ------
>> From: "Willie via EV"
>> To: ev@lists.evdl.org
>> Cc: "Willie"
>> Sent: 14-Jul-19 7:30:58 AM
>> Subject: Re: [EVDL] Solar off grid with an EV? (transforme
We do pretty much what Bob says.
We have a 9.6 kW solar array which is grid-intertied. We have time-of-day
metering and are pretty much net-zero, even with charging our Chevy Volt. (Our
home is Passive House-certified and all-electric.)
We also keep 6 to 8 100-Amp old batteries on trickle char
I think it is about shifting the consumption (like a DVR shifts Prime Time TV)
If instead of net-metering being 1:1 you have a sell at $.05 and a buy at $.10
then the 10kwh scenario is a net loss of $.50 not "net zero"
If you have such a scenario, the battery can be used to shift your
"consumpt
power wall - that does
> >> not feed back to the grid. Maybe that simplification doesn't reduce the
> >> cost of the battery system much, but it would reduce the legal paper
> >> work down to a normal electrical permit.
> >>
> >> Peri
> >>
> >
Can you explain?
On Sun, Jul 14, 2019 at 6:43 PM Bobby Keeland via EV
wrote:
> In southern Louisiana where we live the peak time is simple, 24 hours. We
> have net metering, but what they exchange with us for the electricity that
> they get from us is very small.
Then it is not net metering.
In southern Louisiana where we live the peak time is simple, 24 hours. We
have net metering, but what they exchange with us for the electricity that
they get from us is very small. The reason that we are adding more solar
modules and adding batteries is so that ALL of the electricity that we us
is
t;
To: "Electric Vehicle Discussion List"
Cc: "Lee Hart"
Sent: 14-Jul-19 6:20:40 PM
Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
Robert Bruninga via EV wrote:
But why are you so determined to use batteries when the cost of grid power
is dirt cheap.
It al
Robert Bruninga via EV wrote:
But why are you so determined to use batteries when the cost of grid power
is dirt cheap.
It all depends on where you live. Some states have net metering; some don't.
Some even set up roadblocks, or utilities you a big penalty if you dare to
generate your own pow
On 07/14/2019 10:41, Willie via EV wrote:
I would be buying about 10kwh per night and paying about $.10/kwh.
Then, during the day, selling back at about $.06/kwh.
That sucks (the buy vs sell cost ratio). When I installed solar last
year, I got switched to a Time Of Use account (did not have
>
> > It seems to me, a system like this would completely circumvent any
> > negative conditions imposed by power companies. Of course, once the
> > solar panels fill the battery, excess production is lost.
> >
> > Peri
> >
> > -- Original Message
> So, the net benefit of the battery in my situation
> is probably less than $1/day.
But it is not needed at all since you are grid tied. And buying and
selling power is the function of the net meter and has nothing to do with
the battery. I still do not see any value to the battery in that
pr
On 14 Jul 2019 at 12:16, Robert Bruninga via EV wrote:
> But why are you so determined to use batteies when the cost of grid power is
> ditrt cheap.
I'm not the one you're addressing here, but since this concerns me too, I'll
reply that unless the politics changes radically -- which seems unlike
On 7/14/19 11:28 AM, Robert Bruninga via EV wrote:
What you described seems to be a net-metered system. You are buying and
selling power to the grid. You produced say 10,000 kWh and you bought
10,000 kWh. For a NET energy payment to the utility of zero. The goal of
any home solar system.
What you described seems to be a net-metered system. You are buying and
selling power to the grid. You produced say 10,000 kWh and you bought
10,000 kWh. For a NET energy payment to the utility of zero. The goal of
any home solar system.
So that is what net metering is all about. So... What
ot;
> To: ev@lists.evdl.org
> Cc: "Willie"
> Sent: 14-Jul-19 7:30:58 AM
> Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
>
> >
> >
> >On 7/14/19 9:06 AM, Peri Hartman via EV wrote:
> >>How hard would it be to build a battery system t
"
To: "Peri Hartman" ; "Electric Vehicle Discussion
List"
Cc: "Robert Bruninga"
Sent: 14-Jul-19 7:22:30 AM
Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
That is why batteries TRIPLE the cost compared to a grid system and
also require summer/winter li
ssage --
From: "Willie via EV"
To: ev@lists.evdl.org
Cc: "Willie"
Sent: 14-Jul-19 7:30:58 AM
Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
On 7/14/19 9:06 AM, Peri Hartman via EV wrote:
How hard would it be to build a battery system that normally supplies 100% o
On 7/14/19 9:06 AM, Peri Hartman via EV wrote:
How hard would it be to build a battery system that normally supplies
100% of the domestic power but, when depleted, switches over to supply
domestic power from the grid ? Also, I think it would be safe
assumption, or at least a reasonable simpl
gt; To: "Electric Vehicle Discussion List"
> Cc: "Robert Bruninga"
> Sent: 14-Jul-19 4:54:09 AM
> Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
>
> >For what it is worth... For off grid or backup power,.I have some 500W and
> >2500W 1
, excess production is lost.
Peri
-- Original Message --
From: "Robert Bruninga via EV"
To: "Electric Vehicle Discussion List"
Cc: "Robert Bruninga"
Sent: 14-Jul-19 4:54:09 AM
Subject: Re: [EVDL] Solar off grid with an EV? (transformers)
For what it is worth..
For what it is worth... For off grid or backup power,.I have some 500W and
2500W 120 VAC to 240VAC transformers. Great for stepping up a single phase
120v generator to 240 VAC for a well pump or other emergency power needs.
https://baltimore.craigslist.org/ele/d/glen-burnie-v-transformers/6928546
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