Markets

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Complete retail competition electric market model

Under complete retail competition the utility has been completely removed from the supply function and is simply a transporter of electricity th …

Congestion management

Transmission congestion occurs when there is insufficient transmission capacity to simultaneously accommodate all requests for transmission ser …

Core customers

Customers considered to be core customers are those who lack alternatives to utility gas supply or choose to not participate in competitive supp …

Day-ahead energy

Day-ahead energy refers to electricity scheduled in the day prior to the actual day of flow.

Demand response (DR)

Demand response, or DR, is a form of demand side management (DSM) that reduces demand during specific times or shifts demand across time.

Demand side management (DSM)

Demand side management (DSM) is the modification of consumer demand for energy. There are two broad categories of DSM: energy efficiency (EE) an …

Demand-side competition

To ensure market liquidity in competitive markets, there must be many sellers and also many buyers. One without the other does not make for a fu …

Deregulation (electricity)

The term deregulation describes modification of regulatory rules to provide for competition in certain sectors of the industry.

Deregulation (natural gas)

The term deregulation describes modification of regulatory rules to provide for competition in certain sectors in the industry.

Distribution network operator (DNO)

A distribution network operator, also called a DNO, is a distribution gas or electric utility that focuses solely on construction, operation, an …

Distribution system operator (DSO)

One potential model proposed to manage the scheduling and dispatch of distributed energy resources is the distribution system operator (DSO).

Distribution system platform provider (DSPP)

The distribution system platform provider (DSPP) is a model designed to manage the scheduling and dispatch of DERs in a manner similar to how IS …

Duck curve

The duck curve is the name given to the shape of the net load curve in a market with a significant penetration of solar energy.

Electric generation capital costs

Capital costs are the upfront costs necessary to construct and put a generation unit into service. These include engineering, procurement, and c …

Electric generation levelized costs

The levelized cost of electric generation is a measure of the average net present value cost of generating a MWh of electricity for a generating …

Electric generation variable costs

The variable cost of electric generation is a measure of the incremental cost of generating a MWh of electricity from a power plant.

Electric industry history

The word electricity is derived from the Latin word electricus, which means to "produce from amber by friction." While man has long known that t …

Electric market structure

The electric market structure describes the way that various market participants interact to produce and deliver electricity to the ultimate con …

Electric supply and demand

The general paradigm in electric markets has been supply will be built to meet forecasted demand, regardless of cost. And demand is based on dem …

Electric system operator

North America has five regional grids with numerous interconnected transmission systems. Each interconnect is divided into control areas, each w …