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theprogressplaybook.com

“with wind the single-biggest contributor… Power production costs have declined “by almost half” … And the clean energy sector has created 50,000 new jobs… Ask me what was the impact on the electricity sector in Uruguay after this tragic war in Europe — zero.”

  • thesorehead@lemmy.worldEnglish
    3·
    1 year ago

    The reference to waste heat could include the heat from burning fossil fuels that isn’t turned directly into work. Which is a lot.

    So you’re right, there will still be some waste heat and the reduction in production needs won’t be that drastic. But it’s still a significant chunk of the total!

    • cucumber_sandwich@lemmy.worldEnglish
      2·
      1 year ago

      Yes of course, but a lot of energy is currently also used for heating things in cooking steel, chemical industry, concrete, etc. Those processes need energy as heat and directly produce waste heat. I agree it’s probably still significant. It’s just wrong to reduce energy consumption to “making things move”.

    • masterofn001@lemmy.caEnglish
      21·
      1 year ago

      Converting energy to power will always produce at least one of heat or light (also radiant heat) in the process.

      There is no 100% efficient power.

      But, electric is the closest you could get. Especially compared to any petroleum products