Elon Musk Unveils Solar Roof
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[Elon Musk Unveils Solar Roof]
[Elon Reeve Musk (June 28, 1971):] Source: LYBIO.net
Hi everybody, hi. No fuzzy jacket this time.
So I will start off by just talking about the reason why we’re doing this, which is as you may have read. We’re reaching record CO2 levels, global warming is becoming a serious – is a serious crisis. And we need to do something about that.
But just like with electric cars where, you know, electric cars were originally were, they didn’t look good, they had low range, they didn’t have good performance. They’re like a golf cart and so people had a real hard time buying electric cars and I think you know something similar needs to happen to Solar. We really need to make solar panels as appealing as electric cars have become. And the – you know – the interesting thing is that the house you see around you are all solar houses. I don’t know if you know that. And if you – did you notice.
[Crowd shouting] Yeah.
[Elon Musk:] Source: LYBIO.net
So when talking about each of them but the goal is to make, have – have electric you know, solar roofs that look better than a normal roof, generate electricity, last longer have better insulation. And actually have a cost and installed cost that is less than a normal roof plus the cost of electricity. So then, why would you buy anything else? So let’s get into it. We’re going to get into the details here.
So obviously you saw the chart there, you are probably are familiar with that chart that came from NASA about how we’re in vertical climb on CO2 levels. And we need to do everything we possibly can to accelerate the transition to a sustainable energy.
(Save us Elon!)
So the goal of Tesla – people started thinking Tesla as an electric car company but really the whole purpose of Tesla was to accelerate the advent of sustainable energy.
What do we want the future to look like?
It sounds like – it sounds like there was a shortage of car companies in the world the plenty of good you know gasoline car companies but they weren’t good electric cars that’s that’s really what was needed.
So there are really three parts to the solution.
So we go to, what is the future that we want. It consists of a really appealing solar roof and then combine that with storage and with electric cars. So it’s obvious three parts solution.
Yeah obvious three part solution.
It’s really not that complicated. Now that you need battery packs because the sun does not shine at night and the point that we’re at right now is in fact also a transition. We’re transitioning from day to night. It’s dusk and so what what – what’s happening is that the houses are transitioning from the roof generating power to the battery pack the Powerwall producing power.
So during the day you fill up the battery and then at night and dusk and dawn you use the battery. It’s pretty straightforward, really like not that complicated. You just need, you know you just need both and but if you have solar; a great solar roof and you have a battery pack in your house and you have a electric car that’s something that scales worldwide that you can you can solve the whole energy equation with that.
So yeah. Obviously that’s likely.
So it would like to introduce the Powerwall 2. This is a big step above the Powerwall 1. It has twice as much energy, more than twice as much power. So it is 14 kilowatt hour energy storage 7 kilowatt power output. And just to put that in basic terms you can take a four bedroom house and you can have. You can power the – your fridge the sockets and lights for a day, and if you have solar on your on your on your house you can power indefinitely. So that’s just with one.
And and then on the utility side we’ve got the Powerpack 2 which similarly doubles the the energy. So it’s a 210 kilowatt hour capability 50 kilowatt power output. And this can scale to unlimited size, so it’s. In fact we’ve recently announced the the biggest utility Battery installation in the world which is going to be with Southern California Edison.
Lets go to the next slide. So we have an 80 megawatt hour battery installation that is being built right now so. [Applause] And then we announced one earlier this year which is for utility in Kauai Hawaii, doing 52 megawatt hours. And you’ll see a lot more of these announced over time and I think I think it’s important to make sure people appreciate that.
The solution is both local power generation and utility power generation it’s not one or the other. Sometimes this is the solar roof is positioned as a sort of competitor to the utilities but we’re actually going to need utility power to increase. And we’re going to need local power generation because if you transition all energy to electric. That roughly triples the amount of electricity that’s needed.
So you need about a third for Transport, about a third for heating and about a third for what we currently use as electricity, so the future is bright for utilities and for local power generation. I would expect it to be roughly a third local power generation, roughly two thirds utility. So I think it is a very bright future for utilities and for roof top.
[Elon Musk:] Source: LYBIO.net
So take a look at some of these roofs, as I mentioned earlier what were really looking for here is how do we have a solar roof that is better than a normal roof. That looks better, lasts longer, has better insulation, installing effect and where the cost of roof plus electricity is less than that of a normal roof.
Now this is – this is sort of the integrated future. You’ve got a electric car, a Powerwall and a solar roof. And the key is that is it needs to be beautiful affordable and seamlessly integrated. And then if all those things are true why would you go any other direction. [Applause]
[Elon Musk:] Source: LYBIO.net
So we are going to show you this is the before shot of that house over there. So that is what it looked like before, now that’s all solar. Yeah. [Applause] Now we’ve got some close up shots, that we can show. And if you look, if you look carefully you can actually see the solar cells behind the glass. And I’ll actually pick up one of these so I can and show you what I mean.
This is a textured class tile. If you look carefully you can see the solar cells. Yeah, you can see that.
So we have malfunction on the LED. [Applause] So…
So lets take a look at the next house.
Right so that house is also solar and that’s sort of a style of a French slate which is one of the hardest things to do. It’s considered one of the best roofs you can possibly do is a conventional roof. So I said well if, can we make a French slate roof that solar that looks as good or better than in a conventional French slate roof and we’re able to do that as well.
That’s done with hydrographic printing so each tile is unique. So that the production process itself makes each tile especially unique, is sort of a special snowflake tile. The but the nice thing is that no two roofs will be the same. So it’s not just cookie cutter you can take any two roofs like that and they will look different because they are different. [Applause] So…
This is the what the French slate hydrographic looks like, you can see that.
And then the third house is really transformative because believe it or not that’s what it looked like before. So we changed the roof it was like whoa if we put that roof on, we gotta change the house too. So that that you know that that tile is more of a modern look.
And here you can really see as the angle changes that you can see the solar cells. So here we put a film with microtubules as on it so that as the angle changes it goes from transparent to opaque. So from the vantage point of the street or anywhere near the house. It looks completely opaque but from the sun, to the sun it’s transparent. [Applause]
And then, probably the most surprising one is that the Toscan Toscan Glass. So this is also solar panels that we put two versions of the Toscan Glass approach. All of the dark tiles have solar panels so we interleave a dark and light and then the dark ones are the ones with solar panels. [Applause]
[Elon Musk:] Source: LYBIO.net
Again you can see that the transparency changes quite a bit. Says you from the sun’s vantage point, which tends to be high angle you can see that the solar cells but as you change the angle to a shallow angle, it reverts to a sort of an orangy color.
So that. So one of the other advantages of Glass is that we can actually make it a lot, its a lot tougher and lasts lot longer than a conventional roof. So just as a demonstration video show you what happens if you drop a drop a big weight on a conventional roof tile and one of our glass tiles. [Applause]
So that the solar roof won’t just – we wanted it to look better, last longer, provide better insulation, and cost less all things considered than a conventional roof.
This solar is a huge market for the current solar systems because that if you’re building a new house or you’re redoing a roof then this is the way to go. But if you’re uh… if you have a new roof then you’d want to put solar panels on that roof. So there’s two very distinct markets and there’s about a four to five million new roofs in the US every year. And I think twenty times that number worldwide.
So you can imagine over time as people replace their roofs with solar roofs that the whole neighborhood would everyone would have solar. Like why wouldn’t why you, over time every every house would become a solar house. And it’s – it’s a neighborhood where the aesthetics actually get better.
So where you look around your neighborhood and that’s what you want to have happen.
[Elon Musk:] Source: L Y B I O . N E T
So I mean I think the key is really to make to make solar something desirable where if you install a solar roof in your house. You’re really proud but you want to you want to put it on the most prominent part of the house, you want to call your neighbors over and say check out – check out the sweet roof. It is like not a phrase that you hear often. But if that’s the key note, people people really care about their homes they love their homes. And they really want – they want them to be better.
And I think taking this approach it can be. So that’s that’s that’s where we’re headed. And I hope you agree that’s the future we want.
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