Glossary of energy terms

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Daily diagram

A sequence of planned amounts of electricity consumption or production for the delivery or consumption point for each hour of the business day, divided into 15-minute intervals.
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Delivery point

An end user and buyer of electricity for personal consumption. It can be a household or a company, and is usually the same place where electricity consumption is measured. The consumption of one customer can also be measured at several delivery points.
SOURCE:http://uef.fei.stuba.sk

Deviation of the delivery point

Is the difference between the planned daily diagram of a customer and its actual electricity consumption. A daily diagram is prepared for each unregulated energy consumer, i.e. delivery point, and sent to the settlement entity, in most cases the electricity supplier, on a day-ahead basis. The sum of all deviations of the delivery points falling under one settlement entity shall constitute the deviation of the settlement entity.

Deviation of the settlement entity

The difference between the amount of electricity planned and the actual amount of electricity consumed and produced by the balance group in MWh, rounded to three decimal places after considering the amount of regulated electricity procured. The settlement entity's deviation is positive if the settlement entity causes an excess of electricity in the power grid and negative if a shortage is produced.
SOURCE: https://www.okte.sk

Diagram of electricity consumption

Data on the delivery point’s electricity consumption. Electricity usage is recorded in 15-minute intervals. This data is provided to customers by the electricity supplier upon request. In some cases, customers can access the diagram of electricity consumption online, on their energy supplier's website.

Distribution system

A network of interconnected power lines of very high, high and low voltage, as well as the equipment necessary for the distribution of electricity to all parts of a defined territory. The Distribution System also includes measuring, protection, control, security, information and telecommunication equipment necessary for its operation, including power lines and electric power equipment, which ensure the transmission of electricity.
SOURCE: https://www.okte.sk

Distribution system operator

A distribution system operator (DSO) is an entity responsible for the operation, maintenance, and development of the electrical distribution network within a specified area. It ensures the reliable distribution of electrical energy to end consumers.

The role of a distribution system operator includes connecting new delivery points, handling failures and implementing technical or legislative requirements.