I'm on someone's Excel spreadsheet at SRP, with the sheet called "Assholes".
I use, at my last check, like 2 megawatts per year, or something obscene
like that.
Powering my server stack is a part of that, but it's probably not that
impactful. The two A/C, pool, pool heater/cool (like a third A/C unit) ...
And my wife keeps the house around 68F all year ... Soooooo.
I really do want solar, but my wife says that project isn't until the late
20s, at best, probably early 2030s.
I really want the redundant A/B power supplies with the red cords and black
cords.
I'm the king of "Isn't that a bit excessive for a homelab?" ... So I think
this is right up my alley!
---
Thanks,
Alexander
Sent from my Google Pixel 7 Pro
On Wed, Nov 27, 2024, 11:01 Stephen Partington via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:
> So solar usually pairs best with some level of power storage. and amazon
> has some amazing options going right now for far less than what you are
> getting quoted.
>
> Just the fast search comes up with this kit for a ton less than you are
> getting quoted.
> Bear in mind you will have to add in the cost of connecting it to your
> panel, but still an interesting baseline.
>
> On Wed, Nov 27, 2024 at 12:41 PM George Toft via PLUG-discuss <
> plug-discuss@lists.phxlinux.org> wrote:
>
>> A friend was looking into solar with a Tesla wall (battery). I looked at
>> her APS bill - it was $120/month. They were seriously considering
>> spending $25K to cut down on the peak demand charge. The most they would
>> save was $20/month. That's an ROI that would never be achieved.
>>
>> I have solar. APS invited me to buy a battery and they would pay me
>> $1250 if I let them manage it. The battery was quoted at $15K. Yeah, no.
>> So let's say I use the battery to keep my 4pm-7pm APS draw minimized,
>> what is my ROI? Looking at my past bills, my peak demand charge ranges
>> from $5 to $121 per month. Let's average that out to $65/month. So $15K
>> to save $65/month gives me an ROI of 230 months. It will be less due to
>> APS price increases, but that's still 15-20 years out, and by then the
>> battery would need to be replaced, nullifying any notion of an ROI.
>>
>> Regards,
>>
>> George Toft
>>
>> On 11/26/2024 3:31 PM, Keith Smith via PLUG-discuss wrote:
>> > Hi,
>> >
>> > I have been curious about solar for sometime.
>> >
>> > I am looking at my electric bill and I use less than 600k watts a
>> > month for 1/2 the year.
>> >
>> > My math does not seem to work out.
>> >
>> > 1) Convert 600000 watts at 120 volts * .1 = 60,000 watts at 12 volts.
>> > 2) 60,000 watts divided by 30 = 2000 watts at 12 volts per day.
>> > 3) If I can harvest solar for 4 hours a day that is 2000/4 = 500 watts
>> > at 12 volts.
>> >
>> > That means I only need 500 watts of solar. This does not take into
>> > consideration loss of power in the system.
>> >
>> > If the system losses 30% then I need around 715 watts of solar panels
>> > to meet my needs.
>> >
>> > I was expecting a lot more.
>> >
>> > Any help is much appreciated!!
>> >
>> > Keith
>> >
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>
>
> --
> A mouse trap, placed on top of your alarm clock, will prevent you from
> rolling over and going back to sleep after you hit the snooze button.
>
> Stephen
>
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