this post was submitted on 02 Oct 2024
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Isn't peak consumption around middle of the day for most countries?
Mfw electricity being cheap to generate is not economical
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
I can't speak to other countries, but in the US peak electricity demand generally occurs in the early evening.
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.
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
Public utilities still need to cover their expenses, and they're not going to be able to do that if they're charging negative rates in the middle of the day and have no electricity to sell once the sun goes down.
Do I really need to explain the concepts of taxes, subsidies, or fixed prices regardless of demand, to an adult?
I'm not sure what you mean. Are you saying that public utilities should be funded from taxes instead of charging for service? I don't think having tax payers pay public utilities to overproduce electricity is going to fix the problem, especially since no amount of tax dollar funding can allow utilities to produce solar electricity when the sun isn't shining.
The solution is obviously not exclusively from pricing models, we need other energy sources than renewables for the time being, that doesn't mean we need to have market-based electricity pricing.
Imagine the state installing as many solar panels as society, guided by experts, democratically decides it wants, basically deciding as a society the energy mix instead of hoping that companies will install enough if we bribe them enough with taxes to do so, and if it's profitable. Then, it decides a pricing model based on a mixture of subsidy and incentivising consumption during production hours.
Problem solved, innit?
I mean, "economy" fundamentally is the allocation of limited resources, if something is limited at a point when it's needed, then economical doesn't sound like the wrong word to use? (I'm aware economical means cheap, BTW)