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re: Tesla announces solar roofing and 14KWh battery storage for homes

Posted on 10/28/16 at 10:21 pm to
Posted by crazycubes
Member since Jan 2016
5256 posts
Posted on 10/28/16 at 10:21 pm to
What is the cost to install?
How much electricity do they make a day?
Will my power bill be zero?
What is the payoff time?
When my roof is destroyed by Mother Nature, who pays to make me whole?
Posted by dreaux
baton rouge
Member since Oct 2006
40882 posts
Posted on 10/28/16 at 10:22 pm to
Looking like 14k kilowatt supply per hour..as to consumption...its not that much. Could be referred charging rate..

Still, anything with a heating element will suck it dry
Posted by Lou Pai
Member since Dec 2014
29643 posts
Posted on 10/28/16 at 10:23 pm to
Despite getting tremendous support from the government via subsidies, etc., he still isn't profitable. He also constantly lies to/misleads his investors. It's a legitimate complaint.
Posted by dabigfella
Member since Mar 2016
6687 posts
Posted on 10/28/16 at 10:25 pm to
When do these go on sale? Cost? Id def be interested in lowering my electric bill
Posted by dabigfella
Member since Mar 2016
6687 posts
Posted on 10/28/16 at 10:27 pm to
quote:

Will my power bill be zero?


From what I understand not in every state, I spoke with solar city a few months back to get a quote for solar panels for my home and basically due to laws here in texas, 20% of my electricity still needed to come from local companies, I guess laws put into place to not bankrupt the locals. I got a quote of $20k give or take to wipe out 80% of my electric bill for the future but I just didn't like the look of solar panels, this I would definitely do if it was reasonably priced.
Posted by dreaux
baton rouge
Member since Oct 2006
40882 posts
Posted on 10/28/16 at 10:28 pm to
I misread.. It stores 14kwh..

Posted by ell_13
Member since Apr 2013
88410 posts
Posted on 10/28/16 at 10:31 pm to
quote:

We will see many energy companies go out of business in the next 40 years.

Microgrids already exist and energy companies are in position to manage that power when the product reaches the home. Many people don't know that electricity is bought and sold in a regulated market (excluding texas) between wholesale producers and customers (coops/cities/major facilities).
Posted by Yat27
Austin
Member since Nov 2010
8374 posts
Posted on 10/28/16 at 10:32 pm to
quote:

stores 14kwh..


The panels look fantastic, but that's not much storage. I think the average home uses more than that daily. I bet in Louisiana it's 2-3 times that amount.
This post was edited on 10/28/16 at 10:34 pm
Posted by stout
Porte du Lafitte
Member since Sep 2006
184470 posts
Posted on 10/28/16 at 10:34 pm to
quote:

The panels look fantastic, but that's not much storage. The average home uses a lot more than that daily. I bet in Louisiana it's 2-3 times that amount.





quote:

Musk also introduced the Powerwall 2 and Powerpack 2 products, both of which double the capacity of previous models. A single Powerwall 2 unit, which sells for $5,500, is enough to power the fridge, lights and electrical sockets in a four-bedroom house for a day. With a panel, he added, it can power one indefinitely.



It's not a whole house replacement just yet.


More info in this article. No price on the panels yet

LINK
Posted by ell_13
Member since Apr 2013
88410 posts
Posted on 10/28/16 at 10:35 pm to
With the panels doing work during the day, you'd mainly need the storage for morning and evening. It's enough.
Posted by dabigfella
Member since Mar 2016
6687 posts
Posted on 10/28/16 at 10:36 pm to
a big question for me was with the ominous financial position solar city was in who would guarantee the panels on my roof if something went wrong and they were bankrupt and they wouldnt give me an answer, it was a big reason I didn't end up doing it.
Posted by Yat27
Austin
Member since Nov 2010
8374 posts
Posted on 10/28/16 at 10:36 pm to
It's coming, and I welcome it. We're not getting rid of fossil fuels anytime soon, but we'll be using a lot less.
Posted by dreaux
baton rouge
Member since Oct 2006
40882 posts
Posted on 10/28/16 at 10:44 pm to
Its not..wonder if you could wire more storage in series? Store more for high demand times and events? Could you fill the capacity with available panels? Add more panels? Seems highly customizable
Posted by TheCaterpillar
Member since Jan 2004
76774 posts
Posted on 10/28/16 at 11:06 pm to
If you think about how rapidly technology is improving these days, its not hard to imagine these becoming twice or 3x as efficient in 3-5 years and easily being able to power a home.

Its a crazy curve we're on in terms of technological advancements. Cell phones are a great example of that.

Posted by dreaux
baton rouge
Member since Oct 2006
40882 posts
Posted on 10/28/16 at 11:22 pm to
Batteries are holding all teck back.

Read a journal on sodium ion batteries...still 3&4 years out. They're others..

Can't imagine the patents that have been bought up on energy storage
Posted by TheCaterpillar
Member since Jan 2004
76774 posts
Posted on 10/28/16 at 11:29 pm to
Yep.

But even batteries have come MILES in the the last 3 years. Its insane.

Posted by dreaux
baton rouge
Member since Oct 2006
40882 posts
Posted on 10/28/16 at 11:33 pm to
They'll be new ones soon. Lithium ion peaked 5 years ago and is now getting dangerous as they push the limit
Posted by diat150
Louisiana
Member since Jun 2005
48167 posts
Posted on 10/28/16 at 11:34 pm to
battery backup for these systems dont make sense. if you are lucky these batteries will last 5-7 years and of course will lose capacity every year they are in service. it will be a huge cost to replace them also. you would be much better off having more panels to offset the usage than having batteries available to store the power for night time usage.

5500 every 7 years, and thats if you only need one of these powerpacks, comes out to $65 per month. $91 if it only lasts 5 years.
This post was edited on 10/28/16 at 11:38 pm
Posted by CtotheVrzrbck
WeWaCo
Member since Dec 2007
37538 posts
Posted on 10/28/16 at 11:40 pm to
Finally solar panels that are attractive and don't look super trashy.
Posted by Evolved Simian
Bushwood Country Club
Member since Sep 2010
23313 posts
Posted on 10/29/16 at 1:15 am to
quote:

5500 every 7 years, and thats if you only need one of these powerpacks, comes out to $65 per month. $91 if it only lasts 5 years.




I'd think most residents of Louisiana enjoy air conditioning their homes at night. Maybe heat the house during the winter? Some might cook in an oven after dark. Those people will need at least two powerpacks. (Maybe even three or more. The website has some rough guidelines on the purchase page). Two is about 12k including installation hardware. Solar panels TBD, and battery installation will vary by location.

I guess what will matter to most people is how long it will take to recoup the total cost of setup.
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