Glossary

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TWh

Unit of energy equal to one billion kWh (1 TWh = 1,000,000,000 kWh).

Electricity

Gaz

Energy monitoring & management

Take or Pay

Contractual clause requiring professional customers to pay the minimum volume of energy agreed with their supplier, even if actual consumption is...

Energy market

Markets & purchases

Tarif

Delivery price structure (T1, T2, T3, T3, T4, TP) according to the profile and use of the site.

Gaz

Markets & purchases

Tertiary Eco-Energy Decree (TEED)

Obligation to gradually reduce the consumption of tertiary buildings of more than 1,000 m².

Environment

Energy market

Actors & regulations

Tertiary decree

Elan law decree (2019) requiring tertiary buildings (>1000 m²) to progressively reduce their energy consumption (40% in 2030, 50%...

Energy market

Actors & regulations

Thermal power plants

Installations producing electricity from fossil fuels (coal, gas, fuel oil).

Electricity

Gaz

Energy market

Production & resources

Thermosensitivity

Sensitivity to electrical consumption to temperature variations.

Electricity

Consumption & sustainability

Tidal power

Renewable energy produced thanks to the movement of the tides.

Green energy

Electricity

Actors & regulations

Transformer

Equipment that raises or lowers the voltage to adapt electricity to networks and uses.

Electricity

Consumption & sustainability

Transmission system operator

Actor responsible for transporting energy between producers and distributors.

Gaz

Electricity

Actors & regulations

Transport network

Connects major production centers and major consumption areas.

Electricity

Actors & regulations

User role management

Allocation of differentiated rights (administrator, publisher, reader) to secure and adapt access to data. (simplified version).

Electricity

Gaz

Environment

Energy monitoring & management

Volt (V)

Unit of electrical voltage corresponding to 1 A flowing in 1 Ω of resistance.

Electricity

Markets & purchases

Watt (W)

A unit of power equivalent to 1 joule per second, or 1 V × 1 A.

Electricity

Consumption & sustainability

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The answers to your questions

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.

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.

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.

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

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.

How is the glossary organized?

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

Is the glossary updated regularly?

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

Can I filter only tax-related terms?

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