This reminds me of a quote (that probably isn't real) from Westinghouse to Tesla in regard to wireless energy transmission he was trying to create.
"This is wonderful, but where would we put the meter!?"
this post was submitted on 02 Oct 2024
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Call me stupid, but why don't they just charge enough to cover costs and a bit of profit? The current pricing model is broken if you can't run a solar plant profitably.
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(5 replies)
President Rufas: hold my Midgar, I'm goin in
If only there were some way to take energy made from sunshine and store it in some form for later. Like in a battery. Or as heat. Or in a flywheel. Or just use the energy for something we'd really like to do as cheaply as possible. Like sequester CO2. Or desalinate water. Or run industries that would otherwise use natural gas.
In that case it would even fix their negative price cost “problem”
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(20 replies)
Didn't China have a community use lots of solar and they ended up with such a glut of excess power that they didn't know what to do with it?
All communities should have that. Electricity should be free and it would be plausible to make it free. Except for maintenance costs, but that would be peanuts compared to what we pay now.
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(3 replies)
That's not what they were saying, they were saying that it's not economical to have an abundance of electricity when people need it the least, and little or no electricity when people need it the most. It would be one thing if utilities could sell solar electricity at peak demand hours for a higher price, to make up the difference, but that's just when solar generation is slowly down significantly or stopped entirely.
And, yes, I know that battery storage could theoretically solve this, but battery technology is not currently capable of providing electricity for the entirety of the time we need it. New technologies are being developed right now with the goal of achieving long term grid storage, but they are still in the R&D phase. I'm confident a suitable storage technology, or multiple technologies, will eventually come to market, but it's going to take a while.
Regardless, it is likely we will always need some kind of on-demand power generation to supplement renewables and maintain grid stability, and I think nuclear is the best option.
But we shouldn't act like the problem is that utilities are just greedy. Many utilities aren't even for-profit companies, as many are either not-for-profit cooperatives or public entities. Sure, there are also many for-profit power utilities as well, maybe even some with connections to the fossil fuel industry, but generally power utilities are not some great villain.
A thing you can use which gets forgotten often in the conversation is "natural" / physical batteries, or better put stores of latent energy. Essentially, "push heavy thing up hill, make it come down later".
I know little about it, but you can release the kinetic energy stored in heavy objects at higher altitudes basically whenever, using say a dynamo on the wheels of a wagon of heavy rocks you previously pushed uphill.
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abundance of electricity when people need it the least
Isn't peak consumption around middle of the day for most countries?
it's not economical
Mfw electricity being cheap to generate is not economical
Isn't peak consumption around middle of the day for most countries?
I can't speak to other countries, but in the US peak electricity demand generally occurs in the early evening.
Mfw electricity being cheap to generate is not economical
Cheap electricity is great for consumers, but not necessarily for producers. Some people might say, "well, screw producers," but even if you take profit out of the equation, electric utilities need to be able to at least cover their expenses, and you can't do that if the amount of electricity you're generating relative to the demand is so high the price actually goes negative (meaning the utility is actually paying the consumer). Again, that's good for consumers, but I'm sure you can see how that's not a sustainable business model. And, like I mentioned before, it would be one thing if utilities could make up for this by selling for a higher price during peak, but by that point the sun is either setting or already set, depending on the time of year, so there's just no solar electricity to sell, at any price.
Cheap electricity is great for consumers, but not necessarily for producers. Some people might say, "well, screw producers," but even if you take profit out of the equation, electric utilities need to be able to at least cover their expenses, and you can't do that if the amount of electricity you're generating relative to the demand is so high the price actually goes negative (meaning the utility is actually paying the consumer). Again, that's good for consumers, but I'm sure you can see how that's not a sustainable business model.
Fully agreed: let's eliminate business from the issue, and create national, for-service electric grids, that produce the cheapest renewables at all possible times in the most efficient way possible, disregarding hourly profit and taking into account exclusively the cost in €/kWh produced over the lifetime of each energy source.
Suddenly it's obvious that the problem isn't with renewables, but with organising the electric grid as a market
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(4 replies)
No, peak generation in most countries is in the late afternoon when people come home from work, the ac kicks on, people start to cook + do other things around the house. You typically see a double- peak, one in the morning and one in the evening, although it varies based on the seasons. I'm an engineer who works in renewable energy and the stated problem is real- solar generation doesn't line up very well with grid demand. You can work around this with energy storage but that is an expensive solution
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Bet she thought she was real smart making that smarmy comment, while being completely wrong.