Letter: D

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Dry low emissions (DLE)

A technology that reduces pollutants, especially nitrogen oxides (NOx), from gas-fired turbines.

Dispatchable

Resources, like power plants or storage, that grid operators can turn off and on to quickly and reliably match electricity demand.

Demand

The rate at which electric energy is used at a specific time. Demand is measured in kilowatts (kW). Compare with consumption.

Direct energy deposit (DED)

An advanced manufacturing technique used to build or repair parts in layers by melting material with a focused energy source and creating one solid piece.

Distributed control system (DCS)

A computerized system that monitors and controls processes across multiple locations.
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