- energy payback time
- The time required for any energy producing system or device to produce as much energy as was required in its manufacture. For solar electric panels, this is about 16-20 months.Solar Electric Glossary
Energy terms . 2014.
Energy terms . 2014.
Energy Cannibalism — refers to an effect where rapid growth of an entire energy producing industry creates a need for energy that uses (or cannibalizes) the energy of existing power plants. Thus during rapid growth the industry as a whole produces no energy because… … Wikipedia
Energy cannibalism — Energy portal Energy cannibalism refers to an effect where rapid growth of an entire energy producing industry creates a need for energy that uses (or cannibalizes) the energy of existing power plants. Thus during rapid growth the industry as a… … Wikipedia
Payback period — in business and economics refers to the period of time required for the return on an investment to repay the sum of the original investment. For example, a $1000 investment which returned $500 per year would have a two year payback period. It… … Wikipedia
Payback — could refer to several topics:*Revenge *Payback (film) A 1999 movie remake of the 1967 film Point Blank , starring Mel Gibson *Payback (1997) A 1997 television movie starring Mary Tyler Moore *Payback (book) A book by Daniel Fischel arguing the… … Wikipedia
Payback — The amount of time required for positive cash flows to equal the total investment costs. The length of time it takes for the savings received to cover the cost of implementing the technology … Energy terms
Energy returned on energy invested — Contents 1 Non manmade energy inputs 2 Relationship to net energy gain 3 The economic influence of EROEI … Wikipedia
Net energy gain — See also: EROEI Net Energy Gain (NEG) is a concept used in energy economics that refers to the difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest.[1] The net energy gain, which can … Wikipedia
Energy Policy Act of 2005 — Enacted by the 109th United States Congress Citations Public Law … Wikipedia
Energy audit — An energy audit is an inspection, survey and analysis of energy flows in a building, process or system with the objective of understanding the energy dynamics of the system under study. Typically an energy audit is conducted to seek opportunities … Wikipedia
Solar thermal energy — Solar thermal system for water heating in Santorini, Greece … Wikipedia