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re: Does the left really believe we can power the entire country on solar and wind?
Posted on 9/20/19 at 6:48 pm to tiggerthetooth
Posted on 9/20/19 at 6:48 pm to tiggerthetooth
Who will prop up the economies of middle eastern countries that depends solely on oil?
0
Posted on 9/20/19 at 7:31 pm to billjamin
quote:
The same footprint that got you 250W 3 years ago can get you 350W today
what kinda isht panels are you talking about? Quality panels haven’t improved anywhere near that much. quote:A 5kw system at 100% efficiency ( no other loads ) is 27/5. Good luck doing that under 5 hours.
Regarding the EV charging, the Tesla model 3 uses 27kWh per 100 miles, While things are highly location specific, it wouldn't take 5-10 hours to get 100 miles of range (which is significantly more than an hour of driving).
Posted on 9/20/19 at 7:36 pm to billjamin
quote:Well, if I sell electricity back at $0.0002 kW I’ve “saved” money. I’m a far cry from making my home system economically viable.
There are markets where even without NEM people save money without storage.
We’ve done the math 8-ways from Sunday. In a deregulated state like TX, residential solar is a tough sell.
You should also be asking why it utility scale solar is so dead. And has been for the last few years. Most of the domestic solar companies have raced to exit market. Not enter it. Go have a look at PPA rates.
Posted on 9/20/19 at 7:44 pm to LSUA 75
quote:Its always amusing when people insis thst solars going to magically become cheaper. Balance of a system ( Non-P.V) costs aren’t going down. Switchgear, copper, aluminum, steel, land, labor, plastic (hee-hee) are all mature industries that aren’t going to see massive productivity gains.
What I was talking about was the “crash” program that would be required to mine the copper and aluminum to build the umpteen thousand wind turbines and gazillion acres of solar panels required to eleminate fossil fuel usage within AOC’s 10 year deadline .
This post was edited on 9/20/19 at 7:52 pm
Posted on 9/20/19 at 7:48 pm to ShortyRob
quote:I can’t imagine depriving my child or future generations from the very energy sources and materials that make civilized life possible.
That's because I'm 100% tired of emotionally driven, no actual knowledge arguments that would HARM my children being pushed by people with no real interest in LEARNING because, well, they think they're so brilliant because they're 20 and their college professor said blah blah blah.
It’s like sitting on top of a 10-foot high stack of cheese burgers and starving to death because “I only eat organic vegan”.
Posted on 9/20/19 at 7:54 pm to wutangfinancial
quote:
The transition to 100% renewable would be MORE damaging than status quo.
Well it's really not possible to ever even get there IMO at least not for a country that uses as much electricity as the U.S.
But if you're worried about things like emissions you definitely wouldn't try to get there too fast. If you had a goal of getting to say 80% green tech in the next 12 years here you'd have to have a huge run up in emissions over at least the first half of those 12 years to get you there.
Posted on 9/20/19 at 9:43 pm to Taxing Authority
quote:
Well, if I sell electricity back at $0.0002 kW I’ve “saved” money. I’m a far cry from making my home system economically viable. We’ve done the math 8-ways from Sunday. In a deregulated state like TX, residential solar is a tough sell. You should also be asking why it utility scale solar is so dead. And has been for the last few years. Most of the domestic solar companies have raced to exit market. Not enter it. Go have a look at PPA rates.
Your taking 1 market and applying generalized logic to it. While it’s harder to realize savings in Tx, it’s still doable depending on the location. And when I say saving, I’m talking about real year 1 savings over not having PV. We use CPR data linked to genabilities savings engine to de-risk these and sell to the market. Considering I’ve sold 100k+ systems to the market with A+ rated bonds, think it’s safe to say it’s not a fluke and these aren’t people who are just looking to go green and feel good about themselves. In monopolistic markets it’s ridiculously easy to provide savings.
Posted on 9/20/19 at 9:48 pm to Taxing Authority
quote:
what kinda isht panels are you talking about? Quality panels haven’t improved anywhere near that much
Then how much have they moved. I don’t do this all day, everyday for one of the largest solar companies in the US or anything.
quote:
A 5kw system at 100% efficiency ( no other loads ) is 27/5. Good luck doing that under 5 hours.
Thank you for proving that you’re estimation was wrong. Even a small system, which is significantly smaller than the 9kW average of current installations is on the low end of your estimation and a more average sized system performs obviously better.
And to reiterate, solar isn’t for everyone or every household, but disregarding distributed generation and utilizing all options for energy is a ridiculous argument.
Posted on 9/20/19 at 9:54 pm to CheEngineer
quote:
Yes I will agree most folks under 35 have about a 5 minute attention span and can see about that far into the future.
Yeah...we should all be like the forward thinking conservatives who are completely dismissive of any innovation.
Posted on 9/20/19 at 10:18 pm to billjamin
quote:Nope. If solar producers get paid wholesale rather than retail rates, the same logic applies everywhere. When generators get treated equally, it's damn difficult to compete with wholesale producers. How is that even controversial?
Your taking 1 market and applying generalized logic to it.
quote:
Considering I’ve sold 100k+ systems to the market with A+ rated bonds, think it’s safe to say it’s not a fluke and these aren’t people who are just looking to go green and feel good about themselves.
Given I've consulted in the industry and price modeled PPA and leases for about 8 years now... I'm comfortable in my assertions.This post was edited on 9/20/19 at 10:44 pm
Posted on 9/20/19 at 10:38 pm to billjamin
quote:Sunpower set the record in 2016 at about 22.8. (They're still selling that panel, BTW, so 0%?)
Then how much have they moved
Last thing I saw was Trina with an IBC cell a hair over 25%. No where near the 40% improvement you're talking about. I guess that could make sense if you compared the cheapest crap-azz utility grade panels from 10 years ago to a modern IBC cell. But that's not exactly a like-to-like comparison.
quote:yeah. I response to the assertion "that even a small array of panels can fully charge a car." A 4'x5' panel does about 350w in perfect conditions. I'll leave the math to you to decide if charging a 27kwH in a reasonable (1-2 hours) is a small array or not.
Even a small system, which is significantly smaller than the 9kW average of current installations is on the low end of your estimation
quote:No one is disregarding it. Though I suppose that's what you think. Calculating something out to be a poor economic investment isn't dismissive. It's an evaluation.
disregarding distributed generation and utilizing all options for energy is a ridiculous argument.
This post was edited on 9/20/19 at 10:55 pm
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