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yeahman

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Posts: 9
Reply with quote  #1 
I always wanted to be green. For some reason I alway end up with a big V8 truck. I have been thinking about investing in solar. At the same time I was looking at a chevy Spark EV.  I basically wanted to do my part.  But I really dont drive that mush since I work from home, so I am not sure buying an EV car make sense for me. Looking at the solar system I got a quote for a 10.2Kwh system with 2 powerwalls from Tesla for 43K (30K after credit) and a Goldin Solar of 16Kwh(no batteries) for the same amount. I just dont see how taking a 20 year loan makes financial sense.  I am not sure what I am missing.  I have a yearly consumption of 24,000 Kwh

Is a DIY the only way to make solar work right now?  Any advise?  Any psychologist in the forum?

Thank you

yeahman

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Posts: 9
Reply with quote  #2 
Sorry I did not write the units correctly 10.2kWh(tesla) and 16Kwh(other)  for $43,000
tacman7

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Posts: 26
Reply with quote  #3 
It's good for the planet and all that.

You use a lot of power! Do you think that's going to go down in the next 20 years or go up?

How much is your electric bill? Have you figured out how much that is over 20 years?

If you look at the history of electric bills, they always increase so your answer would be low, those increases really add up.

For me that's where the savings come in, the increasing rates.

You don't want to generate more than you can use.

Gordy

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Posts: 85
Reply with quote  #4 
That's a lot of money, but if you had priced the same size systems 10 or 15 years ago they would have been a lot more $$$. If you opt out of a solar battery system, there are plans out there to use a EV car as an emergency power supply if the grid goes down in a storm. So you may not want to rule out the EV just yet.
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Gordy,
Minnesota
tacman7

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Posts: 26
Reply with quote  #5 
>>But I really dont drive that mush since I work from home, so I am not sure buying an EV car make sense for me.<<

I missed that when I read your post before.

Owning an EV was a life changing experience for me. There's so many things that an electric car does better when it comes to driving, hard to explain it all.

I bought a used Volt for $13k so it's not a $40k club anymore. I can only go about 40 miles then I would have to run the on-board generator. That's nice about the Volt, you're not limited to finding charging stations etc. if you need to go a long way. I'm retired and I don't drive a lot. I make 2-3 trips a week around town all electric then a couple of times a month I do longer trips that I need gas for about half the trip.
On a longer trip I use electric to get to the freeway then go on gas so the ICE does the cruising on the freeway without working very hard.

I used to worry about the brakes going down a mountain road, now I love it because I can ride the brake all I want to because it's not brakes, it's charging the battery.

It should last a long time the way I drive it.

You don't have to choose between EV and Solar, you can have both!

stmbtwle

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Posts: 2,474
Reply with quote  #6 
The problem is how long will the battery last? I just had to scrap my 11 year old hybrid because the main battery died. It was in good shape and ran great up till the failure, but a reconditioned battery would have cost several times what the car was worth.

Even then I might have fixed it, I loved that old car but no-one could tell me for certain it was JUST the battery.

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Willie, Tampa Bay
yeahman

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Posts: 9
Reply with quote  #7 
Quote:
Originally Posted by stmbtwle
The problem is how long will the battery last?

I keep reading about new batteries being developed that will charge in few minutes, can be recharge forever and will hold a lot more power, and will not explode.  but nothing is for sale yet.
tacman7

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Posts: 26
Reply with quote  #8 
The thing that destroys batteries is heat. The Volt cools its battery to make it last. It will run the air conditioner if it gets too hot outside.

Still high tech problems could kill a car. No one around to work on them yet.

I had to throw away a Saturn Vue because it had a bad transmission design and a CRV because it's too much to rebuild the engine.

Ya pays ya money and takes ya chances


stmbtwle

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Posts: 2,474
Reply with quote  #9 
Mine had an air conditioned battery too, but it IS hot and the AC wasn't working as well as it should have been.  I repaired the AC but I guess the damage was done.  Even then, I got 11 years and change.  Not complaining.  I'd get another if they were still made.



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Willie, Tampa Bay
colinmcc

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Posts: 130
Reply with quote  #10 
As far as your potential solar install goes I'd be interested to know why you want/or were advised to have a battery based system? It really only makes sense if you either are located where there are frequent power outages, or if you have time of use metering of your electrical consumption.

Just a thought, 24,000Kwhr/year = approximately 66Kwhr per day consumption, For a single domestic home that seems really quite high, whereabouts are you located, and have you thought about first reducing your consumption by insulating, double glazing, replacing all light bulbs with LEDs etc? In terms of bang for your buck you might well find that is the best return on your investment. Once your consumption is reduced, then it is time to consider a smaller PV system that matches your reduced needs.

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