Glossary

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LNG

Liquefied natural gas — natural gas cooled to -162°C to be liquefied, which facilitates its storage and transport by boat. (simplified version).

Gaz

Markets & purchases

LPEC

Contractual lot guaranteeing the injection of a given volume of energy, often of renewable origin.

Green energy

Actors & regulations

Lake power plants

Hydroelectric power plants using large water reservoirs.

Energy market

Production & resources

Linky

Communicating electricity meter deployed by Enedis in France.

Electricity

Actors & regulations

Load curve

Every 30 minutes, a notification of last 30 minutes electricity consumption is sent and it is on this basis that billing is made.

Electricity

Energy monitoring & management

Load factor

Relationship between the energy produced and the theoretical maximum energy that the installation could produce.

Energy market

Markets & purchases

Lock power plant

Hydraulic power plant using small water reservoirs.

Green energy

Actors & regulations

Lu

Pricing intended for regular and sustained use, as opposed to Short Use (CU).

Energy market

Electricity

Actors & regulations

MFRR

Frequency recovery reserve activated quickly to stabilize the electrical system.

Energy market

Markets & purchases

MIG customers

Sites providing a mission of general interest benefiting from specific guarantees of supply continuity.

Gaz

Markets & purchases

MW

Megawatt — a unit of power equal to 1 million watts, used to express capacity, production or instantaneous consumption.

Electricity

Consumption & sustainability

MWh

Megawatt hour — unit of energy corresponding to 1 megawatt of power used per hour (i.e. 1,000 kilowatt-hours).

Electricity

Energy monitoring & management

MY

Commissioning: intervention by the network manager to open the meter and supply the site.

Gaz

Energy market

Electricity

Green energy

Markets & purchases

Market prices

Energy prices defined by supply and demand on wholesale markets.

Electricity

Gaz

Energy market

Budget

Markets & purchases

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The answers to your questions

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.

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.).

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 updated regularly?

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

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.

Can I filter only tax-related terms?

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