Glossary

Key terms of energy communities and energy sharing

A knowledge base of the concepts used in OptimCE and across the energy-community sector. Filter by category or search for a specific term.

Filter by category

ASBL

Legal

Non-profit association (Belgian 'ASBL'), a common legal form for shared-energy projects.

Also known as: non-profit association

Source: ORES

Collective self-consumption

Self-consumption

Self-consumption carried out by several participants, usually within a shared setting.

Source: CWaPE

Authorisation

Regulatory

The approval or permission required for certain activities or structures.

Also known as: authorization

Source: CWaPE

BRUGEL

Regulator

The Brussels regulator for electricity and gas.

Source: BRUGEL

CE

Model

Generic abbreviation for energy community.

Also known as: energy community

Source: CWaPE

CEC

Model

Citizen energy community (CEC).

Also known as: citizen energy community

Source: ORES

CER

Model

Renewable energy community (REC).

Also known as: renewable energy community, REC

Source: ORES

Allocation key

Calculation

Rule that determines how shared energy is distributed among participants.

Also known as: repartition key, distribution key

Source: CWaPE

Community

Governance

An entity that brings members together to produce, consume, store or share energy.

Also known as: energy community

Source: ORES

Smart meter

Metering

A meter able to read and transmit consumption data.

Also known as: communicating meter

Source: CWaPE

Cooperative

Legal

A cooperative structure often used to run local energy projects.

Also known as: co-op

Source: ORES

CWaPE

Regulator

Walloon Energy Commission, the Walloon energy-market regulator.

Also known as: Walloon Energy Commission

Source: CWaPE

Renewable energy

Generation

Energy from renewable sources such as solar, wind or hydropower.

Also known as: green energy

Source: ORES

Billing

Billing

The process of calculating and issuing the amounts due for energy and related charges.

Also known as: invoicing

Source: CWaPE

Flexibility

Grid

The ability to adjust generation, consumption or storage according to the grid's needs.

Source: Brugel

Supplier

Market

A company that sells energy to the end customer.

Also known as: energy supplier

Source: Coretec

Governance

Governance

How decision-making and the community's internal rules are organised.

Source: OptimCE

GRD

Grid

Distribution system operator (DSO).

Also known as: distribution system operator, DSO

Source: Coretec

GRT

Grid

Transmission system operator (TSO).

Also known as: transmission system operator, TSO

Source: Coretec

Injection

Grid

Energy fed back into the grid after local consumption.

Also known as: grid injection

Source: ORES

Iteration

Technical

A cycle of recalculating the allocation or sharing within an algorithm.

Source: OptimCE

Member

Governance

A person or entity taking part in an energy community.

Also known as: participant

Source: ORES

Notification

Regulatory

A prior declaration required under certain regulatory frameworks.

Source: CWaPE

Energy sharing

Sharing

Distribution of electricity among the participants of a community or a single building.

Source: CWaPE

Sharing operation

Technical

The operation by which energy is distributed among the participants of a given sharing scheme.

Source: CWaPE

Participant

Governance

A person or entity taking part in energy sharing.

Also known as: member

Source: CWaPE

Supply point

Grid

The contractual point at which energy is delivered to a customer.

Source: Coretec

Quarter-hour

Metering

A 15-minute measurement interval used to calculate energy sharing.

Also known as: quarter-hourly, 15-minute interval

Source: CWaPE

Storage

Generation

Temporary storage of energy, often using a battery.

Also known as: battery

Source: OptimCE

Injected surplus

Self-consumption

The portion of the surplus sent to the grid after local consumption.

Source: Service-public

Grid tariff

Billing

The share of costs related to using the electricity grid.

Also known as: network tariff

Source: CWaPE

Social tariff

Billing

A reduced tariff for electricity, gas or heat available to certain eligible households.

Source: SPF Economie

Sharing rate

KPI

Share of the generated energy that is actually shared among participants.

Source: OptimCE

Taxes

Billing

Tax levies applied to the energy bill according to the local framework.

Also known as: levies

Source: CWaPE

VA

Calculation

Allocated value: the share of generation assigned to a participant, expressed either as an absolute value or as a percentage depending on the allocation key.

Also known as: allocated value

Source: OptimCE

VAP

Calculation

Allocated value as a percentage: the allocated share of generation expressed as a percentage of the allocation key.

Also known as: allocated value percentage

Source: OptimCE

VREG

Regulator

The Flemish energy-market regulator.

Source: VREG