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Solar w/ Battery Bank...thoughts on this idea?
Posted on 8/13/14 at 5:09 pm
Posted on 8/13/14 at 5:09 pm
I was planning on adding a natural gas generator to the house and someone at work mentioned why not spend the same money on solar panels for the house with a battery bank for power outages. I know solar in general has been discussed many times on the OT, but does anyone have thoughts on going solar with batteries? My thought is you could reap the benefits from solar plus have a source of power after storms, assuming the panels are still in place of course.
Also, any company recommendations on the Northshore?
Also, any company recommendations on the Northshore?
This post was edited on 8/13/14 at 5:34 pm
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Posted on 8/13/14 at 5:14 pm to LSUOFFSHORE
From my understanding, batteries are much more expensive to install and they need to be replaced every 3-5 years. Get regular, save the money, and get solar hot water
Posted on 8/13/14 at 5:16 pm to LSUOFFSHORE
There is no way you can buy a solar system with battery backup that will be even close to the same price as a whole house generator. The bAttery cost alone would be 12-18k. I am not sure if the battery backup qualifies for the energy credit.
Posted on 8/13/14 at 5:19 pm to LSUOFFSHORE
That would be a shite load of money for a backup power source.
Posted on 8/13/14 at 5:19 pm to Hammertime
quote:
batteries are much more expensive to install
True.
quote:
they need to be replaced every 3-5 years
Not true.
My aunt and uncle out in Mandeville had them installed a year ago. Energy bill down 80%. Tax credits associated with the installation made the entire process cost around 3k.
Gulf south solar is who they used.
Posted on 8/13/14 at 5:32 pm to LSUOFFSHORE
When compared to spending 8 grand or more on a 25 kw natural gas liquid cooled generator plus the maintenance costs it seems logical on the surface. The batteries are the biggest variable that I am unsure of.
Posted on 8/13/14 at 5:40 pm to LSUOFFSHORE
You can get a grid tie in system that basically pays down your energy bill. There are currently credits through the state and Feds to get 80% if the upfront costs back. You can get a 5kw solar stern for about 6k (26k without the credits) after credits. I am looking into this for my new house build.
Posted on 8/13/14 at 5:42 pm to LSUOFFSHORE
Get a Tesla, they can actually power a home if the batteries are already charged.
Posted on 8/13/14 at 5:55 pm to lsufan1971
quote:
You can get a grid tie in system that basically pays down your energy bill. There are currently credits through the state and Feds to get 80% if the upfront costs back. You can get a 5kw solar stern for about 6k (26k without the credits) after credits. I am looking into this for my new house build.
These systems shut down if there is no power coming from the powerco (outages.) look at them carefully. It is not something you want as a backup power source.
Posted on 8/13/14 at 6:28 pm to LSUOFFSHORE
If you want a backup power source after a storm you should get a generator. If you want to attempt to lower your energy bill you should go solar. Net metering is only going to give you KWh credits, they won't actually give you money back if you generate more than you use.
Keep in mind that your battery backup has to last at least the length of the storm and however many days there aren't bright sunny days after the storm. A solar and battery system won't do you much good if its overcast and rainy for four days and your battery only lasts for 3.
You also aren't guaranteed to get a Net meter installed. If Net meters are providing more than 0.5% of a utility companies peak load they aren't required to give you a Net meter if you ask for one.
Keep in mind that your battery backup has to last at least the length of the storm and however many days there aren't bright sunny days after the storm. A solar and battery system won't do you much good if its overcast and rainy for four days and your battery only lasts for 3.
You also aren't guaranteed to get a Net meter installed. If Net meters are providing more than 0.5% of a utility companies peak load they aren't required to give you a Net meter if you ask for one.
Posted on 8/13/14 at 6:42 pm to TigerBandTuba
Appreciate the info Tuba, the idea seemed to good to be true. Lower your energy bill and have backup power for the same as a generator. Still need to do more research or buy a Tesla as mentioned earlier.
LINK
LINK
Posted on 8/13/14 at 6:49 pm to CherryGarciaMan
quote:That is not with a battery like the OP is speaking of. That's the "pay down" solar shite that people are getting.
My aunt and uncle out in Mandeville had them installed a year ago. Energy bill down 80%. Tax credits associated with the installation made the entire process cost around 3k.
This post was edited on 8/13/14 at 6:50 pm
Posted on 8/13/14 at 6:49 pm to LSUOFFSHORE
quote:
When compared to spending 8 grand or more on a 25 kw natural gas liquid cooled generator plus the maintenance costs it seems logical on the surface. The batteries are the biggest variable that I am unsure of.
No, it is the most illogical way.
Posted on 8/13/14 at 7:17 pm to LSUOFFSHORE
I sell a solar system with battery back up. The portable system is three panels, two batteries and puts out 3kw constantly.
Posted on 8/13/14 at 7:26 pm to lsufan1971
quote:
There is no way you can buy a solar system with battery backup that will be even close to the same price as a whole house generator. The bAttery cost alone would be 12-18k. I am not sure if the battery backup qualifies for the energy credit.
We sell up to a 15kw system. The 10kw system is more than enough to run an average 2000sf house and it cost 14000. No more energy bill.
Posted on 8/13/14 at 7:27 pm to Placebeaux
Do you really need a 25kw genereator? I have a 18kw natural gas the runs a 4800sqft home. Its an air cooled Kohler that I purchased from Norwall Online for 4800.00 including the automatic 200 amp transfer switch. It powers everything needed including 8 tons of ac and 3 fridge/freezers. Water heaters, stove and dryer are gas. You'll be using it as an emergecy generator not an everyday power supply.
Posted on 8/13/14 at 7:29 pm to tipup
? I'm talking about a solar system for the house.
Posted on 8/13/14 at 7:33 pm to Placebeaux
quote:
I sell a solar system with battery back up. The portable system is three panels, two batteries and puts out 3kw constantly.
No it does not. At peak sunlight it might. It certianly does not put out 3kw constantly on battery power alone unless your batteries are the size of a large building. No battery avalable to the general public for less than millions can provide 3kw over an extended period of time such as an entire night much less a rainy day and a night.
Posted on 8/13/14 at 7:36 pm to cave canem
Yes it does and it's been tested and certified by NC State. We start selling to the public next month. As a matter of fact look for me tailgating with it in Baton Rouge. We have been selling them overseas for months now and they preformed great.
Posted on 8/13/14 at 7:39 pm to Placebeaux
quote:
I sell a solar system with battery back up. The portable system is three panels, two batteries and puts out 3kw constantly.
Just how long do you consider constantly?
As in just how many amp hours are these magic batteries able to store? Perhaps you should get in touch with Tesla and GM because this would increase the range of EV's ten fold.
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