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The percentage ratio of energy produced to energy supplied to a system; or a measure of minimum energy required relative to energy actually consumed; or a measure of relative energy consumed to provide the same energy service.

5 votes
2 answers
795 views

What is investment/outcome ratio for wind energy in terms of energy (EROEI)?

Merchants say that I can have 1 watt of energy per every $1.5 invested. Yet, I have heard from people "from the business" that the installation alone (forget mining the ores and smelting the parts) ta …
Val's user avatar
  • 675
1 vote

What's the most energy-efficient temperature to use when cooking?

Probably not answering the question, but I cannot resist. It is increadable that you understand that you cook by temperature rather than by applying the energy. Maintaining the temperature, no matte …
Val's user avatar
  • 675