Search results

Delivery Charge

The charge for operations and maintenance of a utility's transmission and distribution systems

Demand

The rate of electricity usage (measured in kilowatt- or megawatt-hours) by a customer

Demand-Side Management (DSM)

Energy efficiency or load management programs that help customers manage their use (demand) of electricity, and that avoid the necessity to build new generation

Derivative

A specialized security or contract whose value is based on an underlying security or factor such as a price index, and that may include options, futures, forwards, etc.

DG (Distributed Generation)

Using small amounts of generation on a utility's distribution system to meet local (substation level) peak loads and/or to displace the need to build new or upgrade existing local distribution lines; newer technologies include fuel cells, wind power, solar cells, reciprocating engines and microturbines (also called distributed power); problems include lack of standardized interconnection requirements, permitting, siting and safety hazards for interconnection of large numbers of small generating units

Direct Access

Buying power from the wholesale electricity market instead of from a supplier or local distribution company

Direct Current

The flow of electricity that is controllable as to direction and amount, and does not oscillate in voltage or current

Disco

An electric distribution company (sometimes called an EDU, electric distribution utility, or UDC, utility distribution company)

Distribution

Moving electric power on low-voltage transmission lines from the bulk-power transmission grid

Distribution System

Generally, the low-voltage lines and transformers that transmit electricity from the large, bulk-power system to retail customers

Pages