Glossary

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Gas network

Infrastructures that transport gas from entry points to final consumers.

Gaz

Energy market

Consumption & sustainability

Gaspar

GRDF communicating gas meter sending the indexes remotely and facilitating the monitoring of consumption.

Gaz

Electricity

Actors & regulations

Geothermal energy

Renewable energy exploiting heat stored in the earth's subsoil, used to produce electricity or for heating.

Electricity

Green energy

Actors & regulations

Grand Carénage

Renovation program and extension of the life of French nuclear power plants.

Energy market

Production & resources

Gray hydrogen

Hydrogen produced from natural gas without CO2 capture (highly emitting).

Gaz

Actors & regulations

Green electricity

Electricity produced from renewable sources such as solar, wind, hydraulic or biomass.

Electricity

Green energy

Environment

Actors & regulations

Green energy

Generic term for any energy produced from renewable resources, as opposed to fossil fuels. (simplified version).

Electricity

Green energy

Actors & regulations

Green hydrogen

Hydrogen produced by electrolysis of water with renewable electricity.

Green energy

Actors & regulations

Gross consumption (or not adjusted)

Electricity consumption measured directly, without climatic or other correction. (simplified version).

Electricity

Consumption & sustainability

HC

Reduced time slots, often at night, in contracts with time differentiation.

Energy market

Electricity

Markets & purchases

HCB

Sub-range of off-peak hours at the lowest price for certain rate profiles (C2 to C4).

Energy market

Actors & regulations

HCE

Off-peak hours specific to the summer period, with reduced pricing in double pricing.

Energy market

Electricity

Markets & purchases

HCH

Off-peak hours at the intermediate rate level for C2—C4 profiles in multi-schedule grids.

Energy market

Actors & regulations

HP

Additional periods during off-peak hours, billed at a higher rate and covering the day.

Energy market

Electricity

Actors & regulations

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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 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.

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.

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.

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 is the glossary organized?

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