Glossary

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Energy communities

Groups of actors sharing their local production and consumption of energy, often renewable. (simplified version).

Green energy

Energy market

Actors & regulations

Energy dashboards

Visual interfaces combining indicators, consumption and alerts to facilitate management.

Electricity

Gaz

Budget

Actors & regulations

Energy hedging

Hedging strategy to lock in a future purchase price and limit market volatility.

Budget

Energy market

Markets & purchases

Energy loss

Energy losses during transport or consumption (e.g.

Electricity

Gaz

Green energy

Actors & regulations

Energy mix

Distribution of different energy sources (electricity, gas, renewable, renewable, nuclear, fossil) in total country consumption.

Electricity

Gaz

Green energy

Energy market

Actors & regulations

Energy sobriety

An approach aimed at reducing consumption through more efficient and better managed uses.

Electricity

Gaz

Green energy

Environment

Actors & regulations

Energy trajectories

Monitoring site or organization progress in relation to regulatory objectives (tertiary decree, CSRD, net zero).

Environment

Energy market

Actors & regulations

Energy transition

Transition from a fossil system to a more efficient and renewable mix, with lower emissions.

Electricity

Gaz

Green energy

Environment

Actors & regulations

Engie

French energy group, formerly GDF then GDF Suez.

Gaz

Electricity

Green energy

Actors & regulations

Erasure

Voluntary and temporary reduction in electricity consumption by customers, requested during periods of high tension on the network.

Electricity

Energy market

Actors & regulations

Estimated bill

Invoice calculated on the basis of estimated consumption and not measured on the meter.

Energy market

Electricity

Markets & purchases

European taxonomy

Classification defining economic activities considered sustainable from the point of view of green finance.

Environment

Energy market

Actors & regulations

Excretion

Mechanism applied when ARENH (Regulated Access to Historic Nuclear Electricity) requests exceed the legal ceiling of 100 TWh.

Energy market

Electricity

Markets & purchases

Expansion

Statistical effect to smooth out the variability of the production of intermittent renewable energies (wind, solar).

Green energy

Actors & regulations

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The answers to your questions

How is the glossary organized?

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

Can I filter only tax-related terms?

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

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.

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.

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

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.