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zxqwas @lemmy.world
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Comments 152
oh no! think of the stock market!
  • North Scandinavia.

    Most of the electricity here is hydroelectric that has been built many years ago so the power plants are paid off.

    The price during summer is very low. In the winter especially the cold months is much higher with Dec-Feb being the peak.

    The determining factor is still the capex for storing it. At $50 it makes no sense. At $0.2 it makes sense in some places. I don't know which assumption is correct, I expect to be wrong in 50% of the cases when I argue on the internet.

  • oh no! think of the stock market!
  • You have to build and maintain the storage.

    Even if the electricity is free you'll have to replace your battery once in a while and at current prices that is ludicrously expensive.

    It's cheaper to pay an already built fossil fuel plant to idle with spare capacity.

    Give it a few years for battery technology and it may look different.

  • oh no! think of the stock market!
  • I don't live in the US either.

    I think the actual value on my bill is 2300kwh. But we can use 2700.

    I can't find any source for $0.2/kWh. I used https://www.energy.gov/eere/analysis/2022-grid-energy-storage-technology-cost-and-performance-assessment and eyeballed the cheapest gravitational storage. PSH is still above $50. Well let's assume $0.2 per kWh per year and that half of it can be stored it's $270 per year in storage fee

    My actual price for electricity is much lower than €600 per year, most of it is taxes and fees that does not get benefit from storage. Looking up the invoice from March i paid $0.07 per kWh, September was $0.01. Half of 2700 would be $95 using March price for the entire year.

    We are spending billions, we must spend billions, but we have to spend them where it makes sense. Spending 270 to save 95 is insanity.

  • oh no! think of the stock market!
  • No. It's district heating and not included on the electricity bill. I live north of the Arctic circle and a house from the same year with a heat pump would use an order of magnitude more.

    The example was meant to highlight the absurd costs despite ludicrously favorable assumptions.

  • oh no! think of the stock market!
  • Paying billions for mega projects to save millions on cheap electricity makes no sense.

    Napkin math gravity battery Last figures I found are from 2022 the costs storing 1GW 24 hours is $150 per installed kWh

    My apartment has an estimated electricity consumption annually of 2000kWh, I'll need to store half that for $150 per kWh in a structure that lasts 100 years without maintenance, then crumbles into dust and needs to be rebuilt. It would average out to $1500 per year.

    My current electricity bill is about $600 per year.

  • oh no! think of the stock market!
  • This is a real problem for renewables.

    You don't get paid when the sun shines, and you don't get paid for when it does not.

    You had to pay for building the solar panels and maintaining them. Corporate greed aside none sane would like their tax money either to be spent on producing electricity when it's not needed.

    Next step for renewables must be storage that is cheap enough for it to beat having fossil fuel on standby.

  • Does money corrupt, or is money attractive to questionable people?
  • Corrupt people will be attracted to money.

    A lot of otherwise honest people will become corrupt if they see others being corrupt and getting away with money and prestige from it.

    A few percent of people will never be corrupted.

  • Men of Lemmy: What's you take on to marry an OF woman content creator? I'm not talking about hanging out or just sex. please only men answers.
  • Long term girlfriend: Yes, if she does not fuck other guys. Maybe I'll have issues with other things about the OF career, but I can't forsee it.

    Marrying is primarily a financial contract on top of all the squishy feelings. Other than the usual check of living below your means an OF CC would have to prove: Does she have a plan on how to support herself if her OF career does not pay the bills?

  • When was the last time you changed your Google password?
  • I try to change it every other year or so. Then I forget it because I did not type it in and have to reset it to the old one.

    After 5 times of this I've just given up and won't change it until my password is in a common password dictionary

  • Why are Americans particularly concerned about Chinese espionage?
  • We've had our spray nozzle copied by the Chinese. Industrial espionage is not just high tech.

    Chinese espionage does not benefit you in any way. The preferred amount for citizens and governments would be zero.

    Domestic spying surveillance (can be argued) prevent/catch crimes. So some level of surveillance the benefit of less crime is worth the intrusion to the average citizen.

  • What do you think of environmental protest groups?
  • If you block emergency vehicles and someone dies or gets (more severe) injuries you should be prosecuted.

    Generally the art vandalism just makes me feel aversion towards whatever your agenda is. But I'm not sure if I'm your target audience in the first place.

    If you block me while I'm working, turns out I'm paid by the hour anyway. If you block me on my free time I'll probably work up a rage and actively start opposing your agenda instead of listening on what you have to say.

    Over all you'll probably not convince me.