Glossary

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Supply-Demand Balance

Situation where electricity consumption is equal to available production.

Electricity

Consumption & sustainability

Sustainable development

Model that combines economic performance, social justice and environmental protection.

Environment

Green energy

Actors & regulations

Synchronous system

Interconnected electrical network operating at the same frequency.

Electricity

Consumption & sustainability

System services

Essential services to ensure the stability and quality of electricity on the network.

Electricity

Markets & purchases

T1

Small power high-voltage customer — companies or sites connected to high voltage with limited subscribed power (often SMEs/ETIs in...

Electricity

Production & resources

T2

Medium power high voltage customer — consumers connected to high voltage, requiring higher power than t1 (production sites...

Gaz

Consumption & sustainability

T4

Very high voltage customer — industrial sites or strategic infrastructures connected directly to the electricity transmission network (RTE)...

Gaz

Actors & regulations

T5

Ultra high voltage customer — very large industrial sites requiring exceptional power supply, often directly to the core...

Electricity

Consumption & sustainability

TICFE

Excise on electricity levied on the final consumption of electricity in France.

Budget

Consumption & sustainability

TP

Price option linked to the proximity of the transport network, which influences delivery costs.

Gaz

Markets & purchases

TRF

Trading region France — single gas market in France set up in 2018, replacing former regional exchange points (peg.

Gaz

Energy market

Markets & purchases

TRV

Regulated prices sold by historical suppliers, coexisting with market offers.

Gaz

Energy market

Electricity

Actors & regulations

TTF gas

Reference gas market in the Netherlands, a major indicator of prices in Europe.

Gaz

Markets & purchases

TURP

Electricity delivery rate including fixed portion (subscription) and variable portion (withdrawal).

Electricity

Markets & purchases

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The answers to your questions

What is the difference between €/MWh and kWh?

The €/MWh is a price unit used in wholesale markets, while kWh is the unit visible on your bills.

Can I filter only tax-related terms?

Yes, just select the filter Budget to display concepts like TICFE, TICGN, or CTA.

Is the glossary linked to the articles on the site?

Yes, each definition can be linked to educational articles or current events to deepen the subject.

Is the glossary updated regularly?

Yes, it is continuously enriched according to regulatory and market developments, to remain a reliable reference.

How is the glossary organized?

The terms are listed in alphabetical order and can be filtered by category (Budget, Energy Market, Green Energy, etc.).

What is the Sirenergies glossary for?

The glossary explains key energy terms, like €/MWh, TURPE or TICFE. It makes it easier to read invoices and understand markets.

How does the glossary help me with my decisions?

It makes it possible to understand market mechanisms, to anticipate costs and to better understand the energy players

Where can I find the definition of an unknown acronym?

All the regulatory acronyms or techniques (e.g. 3RErN, PDL, ARENH) are explained in the glossary with their context.