How Can We Store Renewable Energy?: Crash Course Climate & Energy #4

[@AlaskanBlizzard2024]

Really sad how Crash Course gets so little views compared to the tremendous amount of work everyone of the Crash Course Team puts in to each video.

[@13ccasto]

Remember when we decided to let kids out of school for the summer to help on the family farm or how we literally shift the clock to deal with changing light levels in winter? We could imagine creative ways to deal with the duck curve, too - say by changing working hours so people get out of work with enough daylight left to cook and do their energy-intensive activities while solar is still being generated!

[@osmia]

Interesting concept. This is a thought that would literally have never entered my head without seeing you post it. Now my mind is teeming with pictures as to what this world would look like

[@MisterMakerNL]

Yeah, but like if it is sunny wouldn't they go out and won't need any lights are heating in house?

[@Deveonn]

Most appliances only need power briefly. A simple framework on which you can tell I want my laundry, car charged or water heated before x o’clock can do wonders. It’s even more interesting if the car can discharge briefly when peak demand is needed.

[@13ccasto]

@@osmia Part of my vision of a solarpunk future!

[@btard9k]

you could also make electric companies fluctuate their prices according to demand on an hourly basis, making electricity cost less to the users when it's cheaper to produce, giving everyone a financial incentive to adopt the duck(curve) also you could subsidize or otherwise encourage insulation, therefore making homes and businesses more efficient at maintaining a comfortable temperature, enabling us to heat or cool the buildings interior during the night and having that last for most of the day.

[@gaming4good24]

By far one of the best crash courses! Now I'm ready to save the planet with my peeps.

[@joewilson3393]

There is a technique used for house cooling here in Az called Thermal Mass storage. Basically, you insulated your house really well. Then overnight when electricity is cheap you crank the Ac way down. I mean really cold. The house stores the cold air in the walls, furniture, ect. Theen, when the electricity is expensive again in the morning you turn the thermostat up to like 80, and the house slowly releases the cold for most of the morning into the afternoon.

[@smileyeagle1021]

There are a few places in California that take that concept one step further by overnight literally freezing a massive block of ice and then using that ice to provide the cooling during the day.

[@CitiesForTheFuture2030]

Liquid Metal Batteries (Ambri) for grid-scale storage... modular & no rare metals. There are also carbon dioxide battery storage, sand batteries, heat pumps. In Finland, data banks draw off heat from the servers using heat pumps with the heat being used for district heating. Renewable energy has so many options that a local energy strategy using the most appropriate geo-physical assets can be devised & deployed. Japan is using snow to generate electricity! And there is also community storage... excess community energy is stored locally (no private battery storage) for a nominal fee. There are so many options now.

[@stevieinselby]

Pumped storage is a great way to manage the problem of storing electricity generated at times when it is not needed. Dinorwig power station in Wales (also known as the Electric Mountain) is such a system, which can spin up to 1800MW from nothing in just 16 seconds, and run for 6 hours at a time. It isn't perfect, it's about 75% efficient, but that's still a much better bet than having a load of fossil fuel stations running to meet the same demand.

[@trevinbeattie4888]

As Matt Ferrell explained in a recent Undecided video, “rare earth minerals” aren’t called that because they are rare to find, but because they are difficult and expensive to extract and process; they also result in hazardous byproducts.

[@Sordatos]

They're called because their properties

[@brucea9871]

This is the first video of this course I watched (it just popped up in my KZbin feed after watching a Crash Course video on another subject). This is the first Crash Course series I've watched in which the narrator speaks at a reasonable speed. In the three other Crash Course series I've seen so far (on astronomy, computing science and physics respectively) the narrators speak so fast it's difficult to keep up with them without slowing down the video to 75% normal speed. It's as if they are in a hurry to finish because they have something more important to do.

[@williamsutter2152]

Makes me a little prouder to be Aussie. Our east coast has an interconnected grid, including the island state of Tasmania and even the coastal areas of the central state of South Australia is connected to this grid.

[@antoniousai1989]

I mean, all of Europe has interconnected grids. The US is inhabited by capitalists sociopaths

[@cadekachelmeier7251]

Apparently Australia is particularly easy to decarbonize. There's a guy who has a model for Australia that shows they could have something like 99% renewables with only 5 hours worth of energy storage and overbuilding renewables by like 5%. I forget who it was, but they interviewed on Engineering with Rosie a while ago.

[@FairMiles]

Human collaboration at the global scale looks like the biggest challenge we face. It doesn't seem to be working very well with oil & gas…

[@ShortVersion1]

We added solar and batteries to the house in 2021. Something that rarely gets mentioned when people discuss the scale of what's required- we now use net 1/6 of the energy from the grid that the house used 3 years ago. It would cost probably $20k for us to fully eliminate our grid dependance. There are diminishing returns for the consumer. However, our remaining cost of energy is %99.7-99.9 lower once annualized. That's all thanks to load shifting and energy arbitrage. As the grid gets cleaner anyway, hopefully with wind to complement our solar, the problem will shrink with compounding factors reducing not just the COST but also the demand. If you figured 3 years ago how much battery the world would need, our contribution wouldn't yet be factored in. Refigure the problem now...and it looks quite different. Granted, that's just one house, but the crew that installed our system is working 12 hours every day since.

[@cpi23]

I love this series so much. My only complaint is that we need to get you a new suite of synth sounds for the screen transitions. :)

[@Mr.RobotHead]

I was hoping this video would include the the Nant de Drance water battery in Switzerland. It went online last summer, after quite a massive engineering and construction effort. At least the video did discuss the concept under the Mechanical Storage chapter.

[@yy-sf1xq]

Just looked at it, very interesting!

[@florinadrian5174]

It's not the only one installation of the kind, there's a lot around since, as she said, you only need to add an uphill pump to a hydroelectric plant. But she's wrong, the efficiency (losses of energy during conversion) of that solution is one of the best. And hydrogen's (water electrolysis) is among the worse.

[@DurfDiggler]

There are also weight-based mechanical storage. Same premise, lift weights during the day, let them fall at night. If I recall, from a storage capacity standpoint, these are relatively smaller than a lake, as well.

[@Mr.RobotHead]

@@florinadrian5174 That's true it's not the only one of its kind. However, I think it is the largest, and a fantastic example of what can be done with the technology.

[@kamilwardziak4759]

@@DurfDiggler and a lot more idiotic idea. you add a lot of complexity and fabrication cost.

[@MusicalRaichu]

you mentioned water for gravitational storage of energy, but there's been experiments with using solid masses as well. if we've figured how to ship coal, oil and gas between continents, surely we can work out ways to ship electricity.

[@florinadrian5174]

Renewables can also balance each other: if there's not sun, there might be wind and the other way around. The duration of periods where there's neither (dunkelflaute) is actually quite limited in most places. Add renewables harnessing reliable sources like the tides or the waves and you reduce or even eliminate that duck shape.

[@marcl.1346]

"Might be" is a lot of uncertainty for a world that relies on it.

[@DavidJamesHenry]

Obviously, we need a healthy mix of storage strategies, but mechanical energy storage is by far my favorite.

[@mrpants8976]

also a lot more options/variety in those categories than what was listed, flywheels or gravity batteries are also mechanical storage types, and we have redox flow batteries that depending on the chemistry could not use rare earth metals as a different type of chemical battery.

[@Eastwood991]

Connecting grids is an important step, but I think you should have mentioned the difficulties of doing this. Especially over vast distances as you suggested. Both logistically as well as just the basic physics of it. Otherwise, great video and I'm really enjoying the series so far.

[@AdityaMehendale]

There is a big gaping hole in this explanation: Hear me out: HVAC accounts for 80% or more of household energy-usage. If designed properly (e.g. with floor heating + heat-pump), the heating/cooling can EASILY be shifted +/- 12 hours. Flattenning the duck would be a breeze. The problem is when energy companies refuse to incentivize the consumers to cooperate to achieve this goal, although this is gradually changing. The bigger problem is summer/winter variability (which is a bigger problem for the "West" which is mostly in the far North).

[@MeghanModafferi]

This will be in the next episode!

[@goodkill1]

0:33 and how much does it cost to recycle those panels when they no longer work or are inefficient?

[@tomredgrave4121]

There's the extra step to hydrogen to make it portable. Turn it into ammonia which is energy dense enough to be shipped. But then it's super explodey and poisonous.

[@trol68419]

Fantastic video, thank you so much. I learned so much, and I want to know more.

[@joeldurr2714]

What about using sand to store heat? Very efficient and you avoid the corrosive issue of salt.

[@Davlavi]

informative as always.

[@euchale]

Surprised that you didn´t talk about flywheels for storage, they are a neat idea in my opinion, and can be an option where mechanical storage using water isn´t possible.

[@alexisbond2678]

Thank you for explaining so nicely!!

[@rsaunders57]

This episode is the most significant part of the climate & energy problem, because it's not affordable. Energy savings that are also cost savings motivate everyone automatically. Engineering and economics work together, no need for government or marches through the streets to change behavior. The cost of storage is ginormous, full stop. "Electrify everything to de-carbonize everything" isn't going to happen without a storage breakthrough. All the "carbon neutral by 20xx" claims are nothing but empty promises/marketing baloney; there just isn't enough money. It's like fusion power, always 25 years away.

[@adrijobecq]

The solution is simple, actually. When there's more energy output by renewables than that required by usage, use it to produce green hydrogen. For example, during the night while people are asleep you can let wind farms operate normally instead of shutting them down and use them to produce hydrogen. This hydrogen can then be stored and used as fuel to produce energy or to power vehicles. Also, hydroelectric dams already store power by keeping the water levels high and then "pulling the plug out of the drain" whenever the grid needs that extra push.

[@Deveonn]

Hydrogen loses about 2/3 of the energy when converted back. Better store it in a battery and have a hydrogen plant run 24/7 when renewable energy actually is a significant part of the grid’s share.

[@Assywalker]

Sadly even that won't easily do it. Storing a lot of cryogenic or compressed hydrogen is a pain. And it's currently not practical to do it in a car. And the only available efficient method to get electricity out of it, a fuel cell, needs one of the rarest metals on the planet to work. (You could burn it, though. Not nearly as efficient, but a lot easier to scale.) So the concept is really promising, but it's not at a point were it could solve the problem. It's certainly a solid direction for further r&d.

[@MusikCassette]

it makes more sense to use the hydrogen produced during overproduction to replace the hydrogen, we we now produce from Methane. Our Industrie actually uses a lot of hydrogen. I don't think it makes sense to build hydrogen power plants to cut down the use of natural gas while we use natural gas to produce hydrogen.

[@dryzalizer]

Yeah the only downside given to green hydrogen in this video was that the gas isn't easily compressed so you need a lot of storage space. Doesn't seem like much of a downside to me.

[@d_dave7200]

Thanks for making this video. Sick of having to explain all this to people who are anti-renewables. This will be a useful video to send to people and not have to write essays. There are many options for energy storage, and all of them are workable with some kinks. A combination of solutions will be needed, with different solutions for different regions.

[@Deveonn]

Household are only a fraction of used electricity. Industry (and cars) could be used to stabilize the grid. The industry could easily store energy themselves when power is cheap.

[@Arcsinner]

there are many interesting ways (that are to certain degrees are already in use) of mechanical storage of energy like lifting a really heavy rock or spin something heavy

[@kamilwardziak4759]

spin something heavy ? like a electrical turbine in classic coal plant ?

[@ChuckThunder]

Exploiting the planets resources for energy production is the name of the game. Which ever one is less environmentally damaging, least wasteful, most econmically viable, easiest to maintain and has the longest viability should be the winner. Take out all the subsidies and other levels of government involvement that muddle the true cost and viability of these technologies and I think you will find that nuclear power is the better choice.

[@SocialDownclimber]

Multiple analyses have ben done, most famously by Lazard, and nuclear is in fact not the better choice. Its solar and wind.

[@HeadsFullOfEyeballs]

The problem with "free market" approaches to energy generation is that corporations can externalize costs. The solution that is most profitable for them may be quite expensive for humanity as a whole. For example, burning coal is cheap and easy, but it's also extremely polluting and emits a lot of greenhouse gases. But those added costs aren't borne by the company extracting and burning the coal, they're borne by everybody else. So they don't turn up in their balance sheet.

[@ChuckThunder]

@@SocialDownclimber the lizard study is hardly the end all be all. It concludes that renewable are complimentary, not substitutes for conventional means anyways.

[@DonOctave]

Another way to balance supply and demand on the electrical grid is to make the grid a little bit smarter so that appliances that need electricity, but can wait for it, can be told to wait. For example, your electric water heater needs some electricity throughout the day, but it doesn't need it on demand. There is a pilot project in Vermont where water heaters request a packet of energy when the water temperature drops. If there is plenty of capacity, they get it. If demand for power is high, they are asked to wait a bit. The same idea works even better with electric cars. They can consume the excess capacity when there is plenty of wind or solar, and they could even supply power to the grid during peak demand. Cars are parked most of the time. The grid could use them as a large distributed energy storage facility.

[@VinnieGer]

Yes!! Wait, I didn’t even know this was a problem. I must learn more!!

[@LE-te9vx]

Thank you, great video! Very easy to follow!

[@NoniDoll]

This was great, but the chevron WHOOMP noise was REALLY distracting and annoying. It kept pulling me out of being able to focus on the information, which was fascinating!

[@Zirkusman]

Thanks for the video!

[@MusikCassette]

6:44 you would not really want to build grid storage out of the same matereals as the akku in your phone. You can build electrochemical storage out of almost all stuff. And when it comes to grid storage energy density and ease of use become unimportant. So you better build your gridstorage out of readily available materials. I would suggest sodium as Kathode material.

[@scottxiong5844]

Good video. Very informative and easy to follow.

[@IronMongoose1]

What do you think of the sand thermal storage tech in Finland?

[@GaryWalter]

Thank-you - i learned enough to move my Lego robotics team forward. AND to open my mind to new possibilities (molten salt!!!).

[@timfwater]

Was the "Duck Curve" description a Monkey Island 3 reference??? Wonderful!

[@davestagner]

Space consumption and environmental damage from mining ALWAYS need to be compared to the space and environmental (and political violence) issues of fossil fuels. Another thing to consider is that the rare minerals required to make solar panels, batteries, etc are largely recyclable, so at some point the need for mining will level off, as it becomes easier to just reclaim the materials from worn-out batteries and solar panels. This is NOT true of fossil fuel, which needs to be endlessly mined/pumped for as long as we keep using it. Which cannot be forever, because we’ll eventually run out.

[@officialspock]

Rare earth doesn't mean rare on earth

[@toddgreener]

I know a place where the sun is always shining. It's space baby! Space based solar power for all!

[@Josh-ks7co]

Smart buildings. Could send a signal to turn on AC units when renewables are peaking the grid, thermal storage :) Mass Electric cars could balance the grid using the top 20% of thier charge cycle.

[@obidianudokem858]

Happy new year

[@MusikCassette]

The main reason, we don't have suitable electrochemical storage for a suitable price is that non have been built on mass. We did not build them on mass, because they are not economicly viable. They are not economicely viable, because we don't have a high enough need for them. so in order to get cheep grid storage, we need to build a lot more solar power and make carbon emissions expansive.

[@erkutziyasivrikaya]

Is there any loss during electric transportation? I mean how far away we can send electricity?

[@lolhantingplaz2703]

i love crashcorse

[@mustafaalsenaidi176]

Can we talk about green hydrogen please 🙏🏻

[@MadaraUchiha289]

This video dropped at the same time as Climate Towns new video about Clean Coal. Coincidence?

[@Oh_ELCapitan]

I'm from Indy! Any suggestions or recommendations on localized actions?

[@KyleWyattOnGoogle]

I don’t know what actions Indiana’s state government is already taking (I’m in Minnesota) but my #1 bit of advice is to talk to your city and state representatives! You can actually talk to them, on the phone, or schedule in person meetings (it’s possible!). Tell them that clean energy is a priority to you. There are many climate activists groups working around the country who can draft good policy too. They’re giving lawmakers good plans to implement in response to constituents’ concerns about carbon emissions. They can provide good region-specific information and might need more people? Maybe InREA (Indiana Renewable Energy Association) is a place to start. Sierra Group is another.

[@GaasubaMeskhenet]

End forced labor. End over production. Let people use less energy. Let the people and the planet rest

[@gabrielschmid1854]

I'm not an engineer, but would Kinetik energy storage work? Just turning a massive concert slab covered in copper. I know they do it at the technical Uni Munich for big experiments.

[@SalZam150]

You know you can put solar panels on every single roof and you will have enough energy for everyone.. It can be forced by law to every new building and business must have solar panels. mostly important on every public building small or big even parking space and any other place, hospital or school and so on. Solar panels are small and will fit easily on small buildings like public toilets and bus stops roof And In all the big buildings public or business can have many storage batteries as they have so much space and they will be to store the energy for later this will help balance the grid during peak times and low demand times. Electricity will be so cheap, as everyone will be making energy for free to run their home and business :)

[@spencerdavis1065]

Gravity batteries and vanadium batteries.

[@keithng5249]

Much as you were trying to provide a diverse view on how energy storage can be done, I feel that not enough merit is being given to the big elephant in the room - the sustainable production of batteries. You can no longer simply write them off by saying that they are 'bad' because of their 'mining operations'. The battery eco system has gotten to such a scale and momentum that we should learn instead, to be informed of it's drawbacks and how we can help to deal with them... rather than to try and treat them, and other ways of energy storage as equals. They are NOT equals anymore. Huge corporations in China and Tesla have already set up in such a way that hundreds of gigawatts and even terawatts of battery storage would be scaled up in just the next few years. Many research has already shown that batteries can be recycled. Tesla co-founder JB Straubel has poured billions into a recycling facility. These will help alleviate the mining situation as the transition tappers and the old batteries start to come in. Action should be taken now and people need to be informed. The rest of your suggested methods, tbh, are just cosmetics. Even when combined, they will not make up 5% of the amount of batteries in storage power that will be flooding the market.

[@kuttermcneil1520]

How much could be saved if we built more water towers/made them bigger and made all of them hydroelectric instead of building dams?

[@lilyednee]

I'll wait for the next video! Have a graceful day ❤ GOD loves u :)

[@lars_larsen]

But what about the big spinny things for storing electricity?

[@iihoipoiii]

so you kind of took a stance on grid battery storage ?

[@wmcbarker4155]

use magnifers to heat the sand

[@fiveminutefridays]

this might be a stupid question but is there a reason we can't do non-liquid-based mechanical energy solutions? It would probably take some effort on construction (more or less than building a safe dam? idk!) but less space to just like, lift a heavy rock to wind up the grid like a giant pull-toy. Might also have less environmental impact as dams can be kinda nasty to everything downstream and also everything local. Also less disastrous if the engineering fails as there would just be one big THUD instead of a massive flood.

[@SocialDownclimber]

Yup, there are several startups like Gravitricity working on exactly this. It is definitely safer than building a dam, but it is much more expensive too unfortunately.

[@kamilwardziak4759]

yes there are meany renons it is a bad design. First of all you add complexity to a system that moves big amounts of mass. It will generate operational cost to maintain. secondly you cant use rocks you cant guarantee the integral strength of material and cant stack them swifly. if you use concrete it would have big CO2 production cost. third one would be the spining speed of motors, if you wand to match 50 hz the mas will travel at unsafe speeds if you dont you have to transform it it add up inefficiency.

[@tyler3201]

The government should start a program to get solar panels on every roof.

[@Carlos-cu4ms]

Here is a sci-fi idea: we do not need storage, what we need are huuuuuuuge mirrors in space that direct the light from the sun to ground solar panel stations. In that way even during the night the solar panels are producing electricity. Problem solved hahahahah

[@AndrewGillard]

That can work well in theory, but there's a fine line between space-based solar power (in its commonly-discussed forms) and _a literal death ray._ So it would require global cooperation, with every country trusting that the space mirrors/energy retransmitters/energy converters won't get pointed at their cities if the controlling organisation has a bad day or gets hacked :) So I don't think that'll be an option any time soon :( I wish it was, though; it's a very cool idea!

[@prunabluepepper]

Could you please do a new video about fracking and LPG gas and the environmental disaster it is?

[@kaushikitripathi1663]

Am I the first ?🤔 😑Very well then how bout we imagine having a mini nuclear fusion engine in our phones powering it and in our cars and vehicles too it would be amazing 😉

[@markedis5902]

Perhaps reading some of Nikola Tesla’s more esoteric works would give the answer

[@claudiaroedel1368]

Okay, the duck curve describe the household electricity use. But these people finish their breakfast and go to school, to the office, to factories, which in turn demand the energy during the day. Where is this daily “working” demand for electricity figure in this?

[@GammaPunk]

Why were renewables compared with fossil fuels only, when nuclear has the same benefits (not being limited by weather conditions, smaller footprint) and much lower environmental and health risks?

[@xRockLobster75x]

I believe that is because the proposal here is the replacement of fossil fuels with renewables. Therefore, those are the two held up in comparison. Nuclear energy is somewhat of a separate topic entirely, though a topic well worth covering.

[@rickcilo7567]

Beaming solar power from space or nuclear fusion power is the ultimate solution

[@tomb6576]

It may not always be sunny in one place but it is always sunny somewhere on earth! What if you had a region with more daylight left power the region going into the evening demand?

[@aaroncabello8221]

There are technically areas of the earth in permanent daylight

[@Deveonn]

Solar is not a problem for nights, however it’s a huge problem for seasons. Regions where it freezes hardly get enough solar in winter when the demand for energy is the biggest. Solar rich regions can easily run AC’s on solar and batteries.

[@Gouldsonuk]

Serious answer - it’s because energy transmission is massively expensive. I think wendover does a video on high capacity transmission lines and why they are incredibly expensive. It’s not just that either, power leaks from the lines. So while it sounds great to ask Arizona to power India… it’s just incredibly inefficient.

[@krattah]

A more integrated grid will certainly help... but since transfer losses are a thing, that can only really be a minor part of the solution.

[@MrRofl131]

Energie consumption per person on earth goes up every year, why not start using less energie or at least stop using more than the year before.

[@curiousfoxwildcraft9904]

100% this! I feel that unfortunately this series is going to fall into the bias of "let's not change our psycho-social structure systems, corporate technological greed and material consumption habits ONE BIT and see how we can simply engineer our way out of this". This whole situation is really more of an energy overconsumption crisis than a lack of energy crisis. Not to mention our inefficient/inappropriate regional building codes/preferences (i.e. building wood houses in the desert when adobe/cob would be much more appropriate) that consume vastly more amounts of energy than they need to. In effect utilizing more passive cooling/heating technology in our building plans (really more of an old 'technology' than a new one).

[@gr8bkset-524]

With all of the electric vehicles coming in the near future, we can use their batteries to store electricity during the day and use it for our homes during the night V2G (Vehicle to Grid).

[@sachamm]

Vehicle batteries are good for ~1,500 cycles and cost many thousands of dollars. V2G is not a cost-effective solution.

[@allenaquino2959]

😍

[@Mallory-Malkovich]

Can anyone tell me where M's accent is from?

[@kevinhorton1036]

Biggest problem with this analogy… there is no bucket.

[@MrAmptech]

One way is hydro electric dams.

[@LynHannan]

If everyone used their appliances overnight, after a time, they'd suddenly find breakdowns with costly repairs. Eg: I used to only put my dishwasher on at night - for years. It took about a week to realise the dishes weren't really being cleaned properly because something had broken. we were in bed, so couldn't hear that it sounded different to normal.

[@frankowot4]

See Tony Seba's latest videos, every country in the world can generate at least 150% of its electricity needs with a combination of Solar, Wind and Battery.

[@iliketheodds2575]

Multiple dilemmas to overcome

[@PigRipperLAW]

Great video

[@Beryllahawk]

It's really the collaboration element that's going to require the most work. Just for one example, Texas isn't connected to any other power grid in the States...and even after the winter disaster a few years ago, it seems like there's no concrete plans to change that fact. Whether for cost reasons or political ones (or for that matter, pure stubbornness!), that's an enormous chunk of energy use for the USA, and an equally huge chunk of what amounts to inertia among humans in regards to improving the situation. And unfortunately, none of this addresses the other "elephant in the room," namely capitalism and the folks screaming about lost profits. It isn't even "but people will lose their jobs and starve." They wouldn't; there could be more jobs than ever in the energy sector with all these solutions going at once. But The Board would make LESS money, and gosh, we just can't have that, can we.

[@yy-sf1xq]

♥️

[@luffy23101993]

There is a reason it doesnt happen,Transmission loss.

[@bernardemmerich4483]

The problem is that energy sources are not used for the same thing. In this video, they only talk about producing electricity to power stuff, not to make it. You can't make a wind turbine with the kind of energy it produces, same for solar, hydro, nuclear etc. We make all of those with fossil fuel energy.

[@jnzkngs]

Ethanol.

[@MegaChip2]

This video is a bit too US focussed for such a international topic, in my opinion.

[@wenzelilustre9128]

We could just use nuclear energy....

[@Dr.Gehrig]

Missing stuff again. Didn't mention how energy wasteful using hydrogen as electricity storage is or mention using distributed battery storage like Vehicle to Grid evs or home battery systems. Worst of all this left out several families of energy storage that are currently far more viable than hydrogen and likely hear storage as well: 1. Compressed air 2. Cryo liquid air and cryo co2 3. Solid mass gravity batteries. Come on crash course, I thought you were cool.

[@whatthefunction9140]

Does she have a bit of an Irish accent?

[@CurtisRose55]

Great info but that sound effect on every cut gets really annoying

[@shohruhsattorov4636]

👍

[@y-sin3111]

Sure is nice to proclaim that there are solutions without giving any practical accounting of how much money, natural resources and space it would take to build these renewable energy sources and storage facilities to cater for close to 8 billion people. Maybe make a video about how this fantasy becomes reality?

[@hugoiwata]

Ou seja, precisamos estocar vento. Dilma foi super zoada, mas estava completamente certa.

[@HeadsFullOfEyeballs]

I've seen some suggestions for low-tech thermal storage that seem like they would be reasonably efficient and robust. Things like a big mass of red-hot bricks in a big hole. Is there a catch with those? Are they just a lot less efficient than I think?

[@sachamm]

Recently saw a video on thermal PV -- you get an insulated mass glowing white hot and use photovoltaics to capture the energy. Less efficient than some alternatives but the winning formula will have to be very cheap if we're going to deploy it widely, and this technique uses the cheapest materials available. It's not always about efficiency.

[@wmcbarker4155]

store it under sand, just saying

[@TOSStarTrek]

For a lack of better terms. Batteries are getting better and better. The real problem is lack of infrastructure. She is just spreading Information Bios.

[@bradleedenney]

It is dumb to think solar power is the future when solar panels have a lifespan.

[@HeadsFullOfEyeballs]

Everything has a lifespan. You recycle the old solar panels when they wear out and make new ones, like you do with everything else.

[@VampireSquirrel]

i go to bed at 7 am and wake up at 3PM and don't use electricity at all after sunset, maybe you think you're unique and you're not