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  • Why oil prices can’t rise very high, for very long 19 april, 2018
    Oil prices are now as high as they have been for three years. At this writing, Brent is $74.14 per barrel and West Texas Intermediate is at $68.76. These prices aren’t really very high, if a person looks at the … Continue reading →
  • A brief review of the New England electricity sector 25 april, 2018
    New England's transition to renewable electricity is complicated by differences between the generation mixes in and the renewables targets set by its six component states. New England's approach to fostering renewables by replacing dispatchable fossil fuel generation with wind and solar also does not help. New England does not have enough pipeline capacity to feed […]
  • The fall of the roman empire from plagues and climate change 25 april, 2018
    Preface. The book “The Fate of Rome Climate Disease and the End of an Empire” by Kyle Harper shows the brutal effects of plagues, climate change, and their joint interaction of the Roman Empire. This doesn’t rule out all the … Continue reading →

Netto energi.

Det finns två viktigt formler i samband med energi från olika energi källor. Nettoenergi är skillnaden mellan energi produktionen och hur mycket energi det går att producera denna mängd. Sedan finns ERoEI eller Energy Return on Energy Invested när detta behandlas på engelska sidor.

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