Glossary

Adaptive Case Management - approach for handling complex, unpredictable processes where knowledge workers direct the flow rather than following a predefined process diagram.

The Elhub market role that retrieves data on behalf of an end customer, with that customer’s consent. Tvimenning is approved in this role.

Actor that pools flexibility resources from end users and trades them in the energy market.

Advanced Metering and Control System - the digital electricity meter Norwegian households received from 2019, reporting consumption hourly to Elhub.

Practice of managing API changes without breaking existing integrations - typically through URL versioning (/v1/, /v2/).

Structured review of systems and design to uncover technical debt, security risks, and deviations from architecture principles.

Power that Statnett buys and sells in real-time to maintain system frequency stability at 50 Hz.

Revenue arising when capacity limitations in power transmission between price areas exist - accrues to the system operator.

Business Process Outsourcing - a company takes over responsibility for running an entire business process for others, not merely the system it runs in.

Researcher at the University of Houston. Vulnerability is not weakness, but uncertainty, risk and exposure without a guaranteed outcome. Without it there is no trust.

Balance Responsible Party - actor responsible for balancing production and consumption in its portfolio against the system operator.

The Elhub process that retrieves historical metering values for a metering point. Used, among other things, when a third party has been granted access by the end user and needs to see consumption going back in time.

Martial artist and philosopher - "Be Water" as a metaphor for adaptability, precision and continuous improvement.

The common grid model - the assembled data set European TSOs agree on, built from each area's own model and used as the basis for capacity calculation and operational security analysis across borders.

Common Information Model - IEC standard for semantic modeling of the electricity system, the basis for data exchange between TSOs across Europe.

Domain knowledge and technical skills - a core value for Tvimenning and a prerequisite for delivering quality in the energy sector.

Measures and processes for managing situations where demand for grid capacity exceeds supply - between bidding zones or within the distribution network.

One-time payment from developer to grid company to cover costs of connecting to the electricity network.

The grid company's statutory duty to connect all who wish to access the electricity network - a cornerstone of Norwegian energy law.

The end user's expressed permission for someone else to see or process information about them. In the power market it is the consent that gives a third party access to metering data.

End user's ability to adjust electricity consumption according to price signals or grid needs.

Systems and facilities necessary for society's basic functions - including power supply, water systems, telecommunications, and transport.

Corporate Sustainability Reporting Directive - EU directive requiring detailed sustainability reporting from large companies starting 2024.

Overview and search system for a company's available datasets, including metadata, ownership and data quality.

Architecture paradigm where data responsibility is decentralised to domain teams and data is treated as a product with clear ownership.

The degree of accuracy, completeness and reliability in a dataset - critical for correct billing and balance settlement in the power sector.

The Elhub market role responsible for the balance responsibility contracts of the suppliers.

The physical or logical point in the electricity network where responsibility for energy transfers from the grid company to the electricity supplier or end customer.

Reduction or shifting of electricity consumption in response to price signals or the system operator's request - an important flexibility resource.

Development practice where security is integrated throughout the CI/CD process from the start rather than added at the end.

Practice where a company uses its own products and tools internally - validates quality and increases understanding of customer experience.

Distribution System Operator - grid company that operates the distribution network and is responsible for electricity supply to end users.

Norwegian tradition of voluntary community work without payment - a cultural concept describing collective effort for the common good.

The six characters in UTILMD, INVOIC and CONTRL are not abbreviations someone invented locally. Each message type is its own standard in the UN EDIFACT directory, and the name is a six-character mnemonic.

Energy Data Exchange - ENTSO-E's platform for structured exchange of power system data between European TSOs, primarily network models and capacity data.

Tradeable certificate proving that one MWh of renewable electricity has been produced and delivered to the grid.

A Norwegian excise duty per kilowatt-hour consumed, collected by the grid company on the grid rent invoice and paid to the state.

Norwegian state scheme covering part of a household’s electricity cost when the market price exceeds a threshold.

Company that sells electricity to end users - purchases power in the wholesale market and sells it to consumers.

National hub for metering data and market processes in the Norwegian electricity market.

Norwegian AMI platform for collecting, validating and distributing metering data from smart electricity meters for grid companies.

Norwegian regulation setting requirements for emergency preparedness and security of the power supply.

Energy Management System - system for monitoring, control and optimisation of energy consumption in buildings or industry.

Household or business connected to the electricity grid and consuming electrical power.

Denmark's system operator for electricity and gas - operates the transmission network and runs DataHub Denmark for market data exchange.

Proactive role at DSOs (such as Lnett, Elvia and Tensio) acting as advisor and liaison between the grid company and customers - mapping future capacity needs and optimising grid capacity through dialogue with property developers and municipalities.

Microsoft's cloud-based identity and access management platform - formerly known as Azure Active Directory (Azure AD).

European Network of Transmission System Operators for Electricity - collaborative body for European TSOs coordinating joint grid operations and regulations.

Environmental, Social and Governance - framework for measuring and reporting sustainability in business.

Architecture principle where system components communicate via events rather than direct calls - increases loose coupling and scalability.

The process of taking a pre-trained AI model and training it further on a specific dataset to improve performance in a bounded domain or task type.

Ability to change power consumption or production in response to price signals or system operator needs.

Actor that collects and activates flexibility resources from end users for participation in the balancing market.

Market where end users and aggregators can sell flexibility to grid operators and the system operator.

Three different file transfer protocols that are often confused. FTPS is FTP with security added; SFTP is something else entirely that inherited the name.

A Global Location Number from GS1 - thirteen digits that uniquely identify a legal entity or a place. In the power market the GLN is a participant's identity.

Google's suite of productivity tools - Gmail, Docs, Drive, Meet and more.

Packet-switched mobile data standard (2.5G) used for remote reading of electricity meters.

Company that owns and operates electricity grids and is responsible for power supply to end users.

The process of connecting a new facility to the electricity grid and registering it as a metering point in Elhub.