Refers to back-up fuel required by for instance a natural gas generated IPP according to the terms of his license, to ensure that the plant can continue to operate if gas is not available for any reason. Alternatively, it is the fuel which an interruptible customer stores ready for use if his gas supply is interrupted.
Alternative energy refers to energy sources which are not based on the burning of fossil fuels or the splitting of atoms. Some definitions even include nuclear energy since this does not have the harmful effect of carbon emissions.
The renewed interest in this field of study comes from the undesirable effects of pollution both from burning fossil fuels and from nuclear waste by-products. Alternatives include: wind power, solar power, geothermal, tides and hydroelectric and biomass.
The term alternative energy is being used more and more interchangeably with renewable energy.
Accumulation of stream-deposited sediments, including sands, silts, clays or gravels.
A gently sloping mass of unconsolidated material (e.g., clay, silt, sand, or gravel) deposited where a stream leaves a narrow canyon and enters a plain or valley floor. Viewed from above, it has the shape of an open fan. An alluvial fan can be thought of as the land counterpart of a delta
The amount of oil or gas that a well is permitted by State authorities to produce during a given period
