Glossary

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Heat wave

Intense heat period that can have an impact on electricity consumption and production.

Electricity

Consumption & sustainability

Historic suppliers

Actors who had a historical monopoly before the opening of the market.

Gaz

Energy market

Electricity

Green energy

Actors & regulations

HP

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

Energy market

Electricity

Actors & regulations

HPB

Full hours at the lowest rate for some profiles (C2—C4).

Budget

Energy market

Consumption & sustainability

HPH

Full hours at the highest rate for some profiles (C2—C4).

Energy market

Consumption & sustainability

HQE label

High environmental quality certification for buildings that perform well in terms of energy and the environment.

Environment

Green energy

Actors & regulations

HTA

Supply voltage for major sites (often ≥ 250 kVA), connected at medium/high voltage.

Electricity

Consumption & sustainability

HVAC

Heating, ventilation and air conditioning systems in buildings.

Electricity

Gaz

Consumption & sustainability

Hydraulic power

Energy generated by the movement of water (dams, currents, tides).

Electricity

Green energy

Actors & regulations

Hydraulic stock

Quantity of water stored in dams for future electricity production.

Electricity

Green energy

Actors & regulations

ICPE

Installations classified for environmental protection, subject to strict regulations according to their risks.

Environment

Actors & regulations

Index

Value displayed by the meter (m³/kWh) used as a basis for calculating actual consumption.

Gaz

Energy monitoring & management

Indexed

The electricity consumption is calculated according to an index, and every six months (for example) it is recorded by Enedis and sent to the supplier.

Electricity

Actors & regulations

Indexed price

Price that evolves according to a reference market index (e.g. PEG, EEX) according to the contract.

Budget

Energy market

Energy monitoring & management

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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.

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.

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.

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.).