Glossary

Shared supplier qualification scheme for grid companies, TSOs and energy groups across the Nordics and Central Europe.

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

Advanced Metering Infrastructure - comprehensive system for two-way communication between smart meters and power suppliers' systems.

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

Norwegian regulation requiring all grid companies to install AMS meters at all end users by 2019.

Component that acts as entry point for API traffic - handles authentication, rate limiting, and routing to backend services.

Stationary battery installations (BESS) that store electrical energy to balance production and consumption in the power system.

Battery Energy Storage System - technology for storing electrical energy in batteries to balance production and consumption.

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

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.

Digital certificate issued to a company for secure machine-to-machine authentication - required for access to Elhub's API in Norway.

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

A replaceable part inside a fixed asset. It has its own age, its own history and its own service life - independent of the asset it sits in.

Shared library of reusable UI components - ensures consistency and reduces duplication in interface development.

A maintenance tactic: continuously monitor a component's condition and intervene when the data shows a deviation - not on a fixed calendar. What FRAMSYN does in practice.

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.

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

Process of transforming data from one format or system to another - for example in system migrations or API integrations.

Conversion Rate Optimization - structured work to increase the percentage of website visitors completing desired actions.

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

Compliance module for Norwegian grid companies that streamlines reporting and documentation to NVE and RME.

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

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 a grid company holds for submitting market messages to Elhub. Tvimenning is approved in this role.

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.

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.

Collectively owned Norwegian company developing shared digital infrastructure for grid companies - including a national grid model and digitalised connection process.

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

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

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

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

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.

Collective term for all forms of digital data related to the production, distribution, and consumption of energy.

The company performing imbalance settlement for balance responsible parties across the Nordics, jointly owned by the four transmission system operators.

The second step in VEE - calculation of missing or rejected metering values based on historical patterns, neighbouring meters or statistical models.

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

System for planning, assigning and following up work carried out in the field - meter changes, component installation and inspections.

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.

Tvimenning’s tool for condition-based maintenance: raises work orders from how the component is actually doing, not from how old it is.

A unique id that follows a component for its entire lifetime, across every system it appears in. The technical term for it is UUID.

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

Energy lost as heat during electricity transmission - the grid company is responsible for covering and reporting grid losses.

The component of electricity customers' bills that covers grid rental - regulated by NVE.

NVE's framework for grid tariff calculation - contains fixed, energy, and capacity components to fairly distribute grid costs and encourage balanced consumption.

Fees charged by grid companies for electricity transport, regulated by the regulatory authority under the revenue cap system.

Metering data used to operate and plan the grid rather than to settle consumption.

Tvimenning’s EDI server for bilateral message exchange: receives, translates, routes and acknowledges messages between companies and marketplaces.

Electricity produced from the potential energy of falling water - Norway's dominant energy source (~90% of production) with a unique ability to ramp up and down quickly.

Property of operations where repeated execution yields the same result - critical for reliable message handling in distributed systems.

Swedish software company, founded in Linköping in 1983. Known for ERP and maintenance solutions aimed at asset-heavy organisations, and widely used among Nordic energy and industrial companies.

Subsea power cables connecting the Norwegian electricity grid to Europe - crucial for hydropower exports and imports in dry years.

A documented system showing that an organisation actually complies with the requirements it is subject to. Mandatory for KBO units under section 2-10 of the Norwegian power emergency preparedness regulation.

Quality-adjusted Revenue (Kvalitetsjustert inntektsramme) - economic regulation where grid companies are penalised for power outages based on their cost to customers.

Customer Information System - the core system at power suppliers and grid companies for customer management and billing.