Load Duration Curve (LDC)

A non-chronological, graphical summary of demand levels with corresponding time durations using a curve, which plots demand magnitude (power) on one axis and percent of time that the magnitude occurs on the other axis.

First Costs

The total initial costs for acquiring an asset, or to permit, design, procure and install equipment, and to develop and construct a facility.

Carbon Content Coefficient (Combusted Fossil Fuels)

The estimated carbon content of combusted fossil fuels representing the maximum potential emissions to the atmosphere if all carbon in the fuel were to be oxidized during combustion.  [Source: Annex 2 Methodology and Data for Estimating CO2 Emissions from Fossil Fuel Combustion, Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2010, 2012; U.S. Environmental Protection Agency; …

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A benchmark applied to determine whether or not a particular action is economically beneficial.

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