At the A1 level, 'l'énergie' is introduced as a basic concept related to physical feeling and simple everyday needs. Learners at this stage should focus on the most common construction: 'avoir de l'énergie' (to have energy). You might use it to describe yourself after a good night's sleep or after drinking a juice. It is important to learn that the word is feminine, though the elided article 'l'' makes it look neutral. A1 learners should also recognize 'l'énergie solaire' as it is a common global topic. The goal is to use the word in short, simple sentences to express your state of being. You will mostly hear it in contexts like 'Je suis fatigué, je n'ai pas d'énergie.' This introduces the negative form 'pas d'énergie', which is a fundamental grammar point. At this level, don't worry about the scientific or metaphorical nuances; just focus on your own vitality and basic environmental terms. Practice saying 'J'ai beaucoup d'énergie aujourd'hui !' to get comfortable with the pronunciation, focusing on the soft 'g' sound. By the end of A1, you should be able to identify the word in a text and use it to describe a basic physical state.
At the A2 level, you begin to expand your use of 'l'énergie' beyond just yourself. You will start to describe other people and things. You might talk about an 'enfant qui a beaucoup d'énergie' or 'une ville qui a une belle énergie'. This is where you start using basic adjectives. You'll also encounter the word in more practical contexts, such as 'les économies d'énergie' (energy savings). At this level, you should be able to understand simple instructions or tips on how to save electricity at home. You will learn more verbs that go with it, like 'dépenser' (to spend) or 'donner' (to give). For example, 'Le sport donne de l'énergie.' You are also introduced to the idea of different types of energy in a very basic way: 'l'énergie nucléaire', 'l'énergie verte'. Your sentences will become slightly more complex, using connectors like 'parce que'. Example: 'Je mange des fruits parce qu'ils me donnent de l'énergie.' You should also be aware of the adjective 'énergique' to describe a person, which is a common vocabulary addition at this stage. Mastery at A2 means being able to talk about your energy levels, describe an energetic person, and understand the basic concept of saving power in a domestic setting.
At the B1 level, you are expected to handle 'l'énergie' in a variety of social and semi-formal contexts. You can now discuss 'la transition énergétique' and express your opinion on environmental issues using this word. You understand the nuances between 'l'énergie' (the concept) and 'énergétique' (the adjective for things like drinks or audits). You can use the word metaphorically, such as 'mettre son énergie dans un projet' or 'canaliser son énergie'. Your grammar should be more precise, correctly using 'de l'', 'd'', and feminine agreement for all adjectives. You can participate in conversations about work-life balance and how to manage your 'énergie personnelle' to avoid burnout. You will also start to hear and use common idioms like 'faire le plein d'énergie'. At B1, you are capable of reading news articles about energy prices or climate change and identifying the key points related to 'l'énergie'. You can also describe the 'énergie' or 'ambiance' of a place with more detail, using adjectives like 'positive', 'négative', 'débordante', or 'calme'. This level is about moving from basic needs to social and professional relevance, using 'l'énergie' as a tool to express more complex thoughts about the world and your place in it.
At the B2 level, your use of 'l'énergie' becomes much more sophisticated and fluid. You can engage in detailed debates about energy policy, discussing the pros and cons of 'l'énergie nucléaire' versus 'les énergies renouvelables'. You are comfortable with technical collocations like 'le rendement énergétique', 'la précarité énergétique', and 'l'indépendance énergétique'. In a professional setting, you can discuss 'le management des énergies' within a team or the 'stratégie énergétique' of a company. You understand the subtle differences between 'énergie', 'puissance', and 'force', and you use them correctly in scientific or technical discussions. You can also use the word in a more literary or abstract sense, describing the 'énergie créatrice' of an author or the 'énergie cinétique' of a social movement. Your ability to use the word in various registers—from slangy office talk to formal political discourse—is a hallmark of this level. You can write essays or reports where 'l'énergie' is a central theme, maintaining grammatical accuracy throughout. You also recognize when the word is used ironically or sarcastically. At B2, 'l'énergie' is no longer just a word; it is a versatile concept that you can manipulate to suit your communicative goals in almost any situation.
At the C1 level, you have a deep, intuitive grasp of 'l'énergie' and its myriad applications. You can appreciate the philosophical implications of the word, perhaps discussing 'l'énergie vitale' in the context of Bergson's 'élan vital' or other French philosophical traditions. You use the word with great precision in academic or professional writing, selecting synonyms like 'vigueur', 'tonus', or 'dynamisme' to convey exact shades of meaning. You are sensitive to the historical and cultural weight of the word in France, such as its link to the post-war industrial boom and the current ecological movement. You can follow rapid-fire debates on television where 'l'énergie' is discussed in complex economic terms, understanding the implications of 'marché de l'énergie' or 'taxe carbone'. Your own speech is natural and nuanced; you might use 'l'énergie' to describe the rhythmic quality of a poem or the structural tension in a piece of architecture. You are also fully aware of the word's role in psychological discourse, discussing 'l'économie de l'énergie psychique'. At this level, you can handle any linguistic challenge involving 'l'énergie', from technical specifications to abstract metaphors, with the ease and sophistication of a native speaker.
At the C2 level, your mastery of 'l'énergie' is absolute. You can use the word with the same level of nuance, cultural context, and stylistic flair as a highly educated native speaker. You might explore the word's etymology from the Greek 'energeia' and how its meaning has shifted through the centuries in French literature and science. You can write complex analyses of 'la politique énergétique européenne' or 'la thermodynamique' with perfect terminological accuracy. You are able to use 'l'énergie' in highly creative ways, perhaps in poetry or avant-garde prose, where you play with its various meanings and associations. You understand all the subtle connotations the word carries in different social strata and regions of the Francophone world. Whether you are delivering a keynote speech on 'les enjeux énergétiques du XXIe siècle' or engaging in a deep philosophical discussion about the nature of human effort, you do so with total command of the language. There are no 'mistakes' left to make; instead, there is only the choice of how best to deploy 'l'énergie' to achieve a specific rhetorical effect. You are a master of the word, able to use it as a scalpel for precise analysis or a brush for broad, expressive strokes.

l'énergie in 30 Seconds

  • L'énergie is a feminine French noun meaning energy, used for both physical vitality and technical power sources like electricity.
  • It is a B1 level word essential for discussing health, environment, and personal motivation in everyday French conversations.
  • Grammatically, it requires the elided article 'l'' and feminine adjectives, and often uses partitive articles like 'de l'énergie'.
  • Synonyms include 'dynamisme' and 'vitalité', while 'énergétique' is the adjective used for technical contexts like energy drinks.

The French word l'énergie is a feminine noun that translates directly to 'energy' in English. However, its usage in French encompasses a broad spectrum of meanings ranging from physics and environmental science to personal vitality and abstract willpower. At its core, it represents the capacity to perform work or the vigor displayed by an individual. In everyday French life, you will encounter this word when discussing your morning coffee, your electricity bill, or the charismatic personality of a friend. It is a fundamental concept that bridges the gap between the tangible world of power plants and the intangible world of human spirit. Understanding 'l'énergie' requires looking at it through three primary lenses: physical vitality, mechanical/electrical power, and emotional or psychological drive. When a French person says 'Je n'ai plus d'énergie,' they are usually referring to a state of exhaustion, whereas 'les énergies renouvelables' refers to the global shift toward sustainable power sources like wind and solar. The word is versatile and essential for B1 learners who are transitioning from basic descriptions to more complex discussions about lifestyle and society.

Physical Vitality
Refers to the bodily strength needed to perform tasks. For example, 'Cette boisson me donne de l'énergie' (This drink gives me energy). It is the most common use in social contexts.

Après une longue journée de travail, je n'ai plus du tout l'énergie nécessaire pour aller courir au parc.

Scientific and Industrial
Relates to electricity, heat, and fuel. Terms like 'énergie nucléaire' or 'énergie cinétique' are standard in technical and news contexts. France is particularly focused on 'la transition énergétique'.

Furthermore, 'l'énergie' can describe the 'vibe' or atmosphere of a place or a group. If a party is lively, one might say 'Il y a une bonne énergie ici.' This usage is increasingly common among younger speakers and in creative professional environments. It suggests a dynamic flow of interaction and positivity. In more formal literature, 'l'énergie' might describe the force of a writer's style or the intensity of a political movement. It is a word that carries weight; it implies action and the absence of lethargy. To master this word, one must recognize that it is rarely used in the plural unless referring to different types of power sources (e.g., 'les énergies fossiles'). In the context of a person's character, it is almost always singular. Whether you are talking about the climate crisis or your need for a nap, 'l'énergie' is the keyword that connects your physical state to the wider universe of movement and change.

La ville de Paris dégage une énergie incroyable pendant la semaine de la mode.

Metaphorical Force
Refers to the intensity or 'soul' of an action. 'Mettre toute son énergie dans un projet' means to dedicate oneself entirely to a task with passion and vigor.

In summary, 'l'énergie' is a bridge between the physical and the metaphysical. It is the fuel for our cars and the fire in our hearts. For an English speaker, the cognate is helpful, but the nuances of gender and the specific collocations (like 'dépenser son énergie') are where the real learning happens. It is a high-frequency word that appears in approximately 0.01% of all French discourse, making it a top-tier vocabulary priority for intermediate learners.

Using l'énergie correctly in a sentence involves understanding its grammatical role as a feminine noun and its common verbal pairings. Because it starts with a vowel, the definite article is elided to l', but the indefinite article remains une. When you want to describe the amount of energy someone has, you often use the partitive article 'de l'' (e.g., 'J'ai de l'énergie'). This is a crucial distinction for English speakers who might simply say 'I have energy.' In French, the partitive indicates an unspecified quantity of an uncountable concept. When the sentence is negative, 'de l'' changes to 'd'', as in 'Je n'ai pas d'énergie.' This rule is a common stumbling block for learners at the B1 level.

Common Verbs
Avoir (to have), manquer de (to lack), dépenser (to spend/waste), économiser (to save), retrouver (to regain), puiser (to draw from).

Il a fallu beaucoup d'énergie pour convaincre le directeur de changer de stratégie.

Adjectives following 'l'énergie' must agree in gender. Common descriptors include 'débordante' (overflowing), 'renouvelable' (renewable), 'propre' (clean), 'solaire' (solar), and 'négative' (negative). For instance, 'Une énergie débordante' describes someone like a tireless toddler or a very enthusiastic speaker. If you are discussing environmental issues, you might say, 'Nous devons investir dans l'énergie verte.' Here, 'verte' (green) agrees with the feminine 'énergie'. Note that 'énergétique' is the adjective form used to describe things related to energy, such as 'une boisson énergétique' (an energy drink) or 'un bilan énergétique' (an energy audit). Mixing up 'énergie' (the noun) and 'énergétique' (the adjective) is a frequent error.

Sentence Structure with Quantifiers
When using 'trop' (too much), 'peu' (little), or 'assez' (enough), always use 'd'énergie'. Example: 'Tu dépenses trop d'énergie pour rien.'

Les panneaux solaires transforment la lumière en énergie électrique utilisable pour la maison.

In more advanced constructions, 'l'énergie' can be the subject of the sentence. 'L'énergie solaire gagne du terrain en France.' In this case, the noun is treated like any other abstract concept. If you are describing a person's aura, you might use 'dégager' (to emit/give off): 'Elle dégage une énergie très positive.' This is a more sophisticated way of saying someone has a good vibe. Conversely, 'perdre son énergie' or 's'épuiser' (to exhaust oneself) are used when the energy is being depleted. Understanding these patterns allows a learner to move beyond simple 'Subject + Verb + Object' sentences into more expressive French. Whether you are writing a scientific report or a personal diary entry, these structures will ensure your use of 'l'énergie' sounds natural and grammatically sound.

Il est important d'économiser notre énergie pendant les périodes de forte chaleur.

Prepositional Phrases
'Avec énergie' (with energy/vigorously). 'Il a travaillé avec énergie pour terminer le projet à temps.'

In France, l'énergie is a word that vibrates through various sectors of daily life, from the political stage to the local gym. If you turn on the news (like BFM TV or France 2), you will almost certainly hear it in the context of 'la crise de l'énergie' or 'les prix de l'énergie'. France's historical reliance on nuclear power and its current transition toward greener alternatives makes 'l'énergie' a central pillar of national debate. Politicians frequently discuss 'l'indépendance énergétique' (energy independence), especially in the context of European relations and global conflicts. For a B1 learner, listening to these broadcasts is a great way to hear the word used in a formal, serious tone, often accompanied by technical adjectives like 'éolienne' (wind) or 'hydraulique' (hydroelectric).

In the Workplace
Managers often talk about 'l'énergie de l'équipe' (the team's energy). You might hear, 'Il faut canaliser notre énergie sur ce projet prioritaire' (We must channel our energy into this priority project).

Le présentateur météo a mentionné que l'énergie éolienne a atteint un record de production hier soir.

In a more casual setting, such as a café or a fitness club, 'l'énergie' takes on a more personal meaning. You'll hear friends complaining, 'Je n'ai aucune énergie ce matin, j'ai besoin d'un deuxième café' (I have no energy this morning, I need a second coffee). In sports, coaches scream 'Mettez-y de l'énergie !' (Put some energy into it!) to motivate their players. This demonstrates the word's ability to shift from a cold, scientific term to a warm, emotional one. Furthermore, in the world of wellness and alternative medicine—which is quite popular in France—you might hear about 'les énergies du corps' or 'soins énergétiques'. While these are more niche, they show how the word is used to describe the vital forces that people believe flow through them.

Advertising and Marketing
Energy drinks and snacks use 'énergie' as a primary selling point. Slogans like 'Faites le plein d'énergie' (Refuel your energy) are ubiquitous in supermarkets.

À la salle de sport, le coach nous encourage à garder une énergie constante pendant tout l'entraînement.

Education is another place where this word is frequent. Students in 'lycée' (high school) study 'la conservation de l'énergie' in physics class. If you are helping a French child with their homework, you'll see it in their textbooks. Even in literature, authors like Balzac or Zola used 'l'énergie' to describe the driving force of their characters' ambitions. Whether it's the 'énergie cinétique' of a falling object or the 'énergie créatrice' of an artist, the word is everywhere. By paying attention to these different contexts, you will start to feel the 'vibration' of the word beyond its dictionary definition. It’s not just a noun; it’s a vital part of the French conceptual landscape.

Lors du débat présidentiel, les candidats ont longuement discuté de l'avenir de l'énergie nucléaire en France.

Social Media and Vlogs
Influencers often use 'good vibes' but also 'bonne énergie'. 'J'adore l'énergie de cette vidéo' is a common comment on platforms like Instagram or TikTok.

One of the most frequent mistakes English speakers make with l'énergie is misidentifying its gender. Because the word starts with a vowel, the definite article 'l'' hides the gender, leading many to assume it is masculine. However, it is strictly la énergie (feminine). This affects every adjective that modifies it. Forgetting to add an 'e' to adjectives like 'renouvelable' (which ends in 'e' anyway) isn't the problem, but with words like 'vert' or 'puissant', you must remember to say 'énergie verte' and 'énergie puissante'. Another common error is using 'le' instead of 'de l'' when expressing 'some energy'. Saying 'J'ai l'énergie' implies you have *the* specific energy mentioned before, whereas 'J'ai de l'énergie' means you have some energy in general.

Confusion with 'Force'
English speakers often use 'force' when they should use 'énergie'. While 'force' refers to physical strength or power (like 'la force d'un lion'), 'énergie' refers to the stamina or the fuel behind the action.

Faux Pas: Je n'ai pas le énergie. Correct: Je n'ai pas d'énergie.

Another subtle mistake is the confusion between 'énergie' and 'énergétique'. 'Énergétique' is an adjective, but it is sometimes used incorrectly as a noun by learners. You should say 'une boisson énergétique' (an energy drink), not 'une boisson d'énergie'. Conversely, don't use 'énergétique' to describe a person's mood; 'Elle est énergique' is the correct adjective for a person with a lot of energy. 'Énergétique' is reserved for scientific or nutritional contexts (e.g., 'valeur énergétique' for calorie count). This distinction is vital for sounding like a native speaker and avoiding clinical-sounding descriptions of your friends.

Preposition Pitfalls
Learners often say 'avec d'énergie'. The correct expression is 'avec énergie' (without the partitive). Example: 'Il a répondu avec énergie.'

Erreur: C'est un homme énergétique. Correct: C'est un homme énergique.

Finally, watch out for the plural. In English, we might say 'different energies' to describe vibes. In French, while 'les énergies' exists, it is much more common to use the singular 'l'énergie' or 'l'ambiance' to describe a mood. Using the plural can sometimes sound overly 'New Age' or specifically technical (referring to different sectors like solar, wind, and gas). To stay safe at the B1 level, stick to the singular unless you are specifically listing power sources. Avoiding these common traps—gender agreement, partitive articles, and the 'énergie/énergétique/énergique' triangle—will significantly improve your fluency and accuracy when discussing this essential topic.

Attention: Ne confondez pas l'énergie (noun) avec énergique (adjective for people).

Pronunciation Error
Some learners pronounce the 'g' like a hard 'g' (as in 'go'). In French, 'g' before 'i' or 'e' is always soft, like the 's' in 'pleasure'. It should be 'ay-ner-zhee'.

While l'énergie is a fantastic all-purpose word, expanding your vocabulary with its synonyms and related terms will make your French sound more nuanced and precise. Depending on the context—whether you're talking about a person's character, a physical force, or a scientific concept—there are several alternatives you should know. For describing a person who is very active, le dynamisme is a great choice. It implies not just energy, but a proactive and efficient way of using it. Someone with 'beaucoup de dynamisme' is often a good leader or a productive worker. Another close relative is la vitalité, which suggests a healthy, life-affirming strength, often used in medical or wellness contexts.

L'énergie vs. La Force
'L'énergie' is the capacity to act over time (stamina/fuel), whereas 'la force' is the immediate power or intensity of an action. You use 'force' to lift a box, but 'énergie' to keep working all day.

Elle a une vitalité impressionnante pour son âge ; elle ne s'arrête jamais !

In more formal or literary contexts, you might encounter la vigueur. This word conveys a sense of robust health and strength, often applied to an argument, a plant, or a person's physical state. 'Une réponse vigoureuse' is a strong, energetic reply. On the other hand, if you're talking about the 'vibe' of a place, you might use l'ambiance or l'atmosphère. While 'énergie' works here too, 'ambiance' is more common for describing the overall feeling of a party or a restaurant. For technical power, la puissance is the word of choice. It refers to the rate at which energy is used or the total output of a machine. An engine has 'puissance', while the fuel provides the 'énergie'.

L'énergie vs. Le Tonus
'Le tonus' is a colloquial term for physical 'pep' or muscle tone. If you feel 'en forme', you have 'du tonus'. It's very common in health and beauty advertisements.

Ce projet manque de dynamisme ; nous devons trouver de nouvelles idées rapidement.

Finally, consider the word le punch (borrowed from English but used in French). It is used informally to describe someone with a lot of immediate energy and enthusiasm, especially in a professional or sporting context. 'Elle a du punch !' means she is full of beans and very motivated. By choosing between 'énergie', 'dynamisme', 'vitalité', 'puissance', and 'tonus', you can tailor your message to the exact situation. This level of precision is what separates a B1 learner from a B2 or C1 speaker. Experiment with these alternatives to see which one fits your intended meaning best, and pay attention to how native speakers use them in different environments.

La puissance de ce moteur électrique est vraiment surprenante.

Antonyms to Know
L'apathie (apathy), la léthargie (lethargy), la fatigue (fatigue), la mollesse (softness/lack of vigor).

How Formal Is It?

Fun Fact

The term was popularized in the 16th century in French and was initially a rhetorical term for 'vigor of expression' before becoming a scientific term in the 19th century.

Pronunciation Guide

UK /l‿e.nɛʁ.ʒi/
US /l‿e.nɛʁ.ʒi/
In French, the stress is usually even, with a slight emphasis on the final syllable 'gi'.
Rhymes With
synergie allergie liturgie chirurgie sidérurgie métallurgie magie nostalgie
Common Errors
  • Pronouncing the 'g' like 'g' in 'great' (it should be soft 'zh').
  • Making the 'e' sound like 'ee' (it should be 'ay').
  • Pronouncing the 'r' like an English 'r' (it should be in the throat).
  • Stress on the first syllable.
  • Forgetting the elision and saying 'la énergie'.

Difficulty Rating

Reading 2/5

Easy to recognize due to the English cognate.

Writing 3/5

Requires attention to gender and partitive articles.

Speaking 3/5

The soft 'g' and uvular 'r' can be tricky for beginners.

Listening 2/5

Clear pronunciation in most contexts.

What to Learn Next

Prerequisites

la force fatigué le soleil travailler beaucoup

Learn Next

énergique énergétique renouvelable la puissance le dynamisme

Advanced

l'entropie la thermodynamique le rendement la précarité l'élan vital

Grammar to Know

Elision with 'l''

L'énergie (not la énergie)

Partitive articles with uncountable nouns

J'ai de l'énergie.

Negative 'de' replacement

Je n'ai pas d'énergie.

Adjective gender agreement

Une énergie débordante (feminine).

Possessive 'mon' before feminine vowel-start

Mon énergie (not ma énergie).

Examples by Level

1

J'ai de l'énergie.

I have energy.

Uses the partitive 'de l'' for an uncountable noun.

2

Elle n'a pas d'énergie.

She has no energy.

In a negative sentence, 'de l'' becomes 'd''.

3

Le café donne de l'énergie.

Coffee gives energy.

Subject + Verb + Partitive Object.

4

C'est l'énergie solaire.

It is solar energy.

Definite article 'l'' + noun + adjective.

5

Tu as beaucoup d'énergie !

You have a lot of energy!

'Beaucoup de' becomes 'beaucoup d'' before a vowel.

6

Je cherche de l'énergie.

I am looking for energy.

Verb 'chercher' + partitive.

7

L'énergie est importante.

Energy is important.

Abstract noun as a general subject uses 'l''. Adjective 'importante' is feminine.

8

Où est l'énergie ?

Where is the energy?

Simple question with 'où'.

1

Il faut économiser l'énergie à la maison.

We must save energy at home.

Infinitive 'économiser' after 'il faut'.

2

Cette boisson est pleine d'énergie.

This drink is full of energy.

'Pleine de' describes the drink, 'énergie' is the object.

3

Les enfants ont une énergie débordante.

Children have overflowing energy.

Indefinite article 'une' + feminine adjective 'débordante'.

4

Nous utilisons l'énergie du vent.

We use wind energy.

Possessive 'du' (de + le) modifying the type of energy.

5

Je dépense mon énergie au sport.

I spend my energy at sports.

Possessive adjective 'mon' (used before feminine nouns starting with a vowel).

6

Elle est très énergique ce matin.

She is very energetic this morning.

Adjective 'énergique' refers to the person's character.

7

On manque d'énergie en hiver.

We lack energy in winter.

Verb 'manquer de' + noun.

8

L'énergie verte est l'avenir.

Green energy is the future.

Feminine adjective 'verte' agrees with 'énergie'.

1

Il a mis toute son énergie dans ce projet.

He put all his energy into this project.

'Toute' is the feminine singular form of 'tout'.

2

La transition énergétique est un défi majeur.

The energy transition is a major challenge.

'Énergétique' is the adjective related to the energy sector.

3

Nous devons réduire notre consommation d'énergie.

We must reduce our energy consumption.

Compound noun structure 'consommation d'énergie'.

4

Elle dégage une énergie très positive.

She gives off a very positive energy.

Verb 'dégager' used for vibes/atmosphere.

5

L'énergie nucléaire reste un sujet polémique.

Nuclear energy remains a controversial subject.

Feminine adjective 'polémique' agrees with 'énergie'.

6

Après le marathon, il a retrouvé son énergie.

After the marathon, he regained his energy.

Verb 'retrouver' for recovery.

7

Il est important de canaliser son énergie.

It is important to channel one's energy.

Infinitive 'canaliser' means to direct energy towards a goal.

8

Peux-tu me donner un conseil pour avoir plus d'énergie ?

Can you give me a tip to have more energy?

'Plus de' + noun.

1

Le gouvernement encourage l'indépendance énergétique.

The government encourages energy independence.

Political/Economic context usage.

2

Cette machine transforme la chaleur en énergie cinétique.

This machine transforms heat into kinetic energy.

Scientific terminology.

3

Il a épuisé son énergie à force de travailler trop.

He exhausted his energy by dint of working too much.

Expression 'à force de' meaning 'through much...'.

4

L'énergie fossile est responsable du réchauffement climatique.

Fossil energy is responsible for global warming.

'Responsable de' + noun phrase.

5

Elle a agi avec une énergie et une détermination rares.

She acted with rare energy and determination.

Abstract usage in a narrative context.

6

Le coût de l'énergie impacte le pouvoir d'achat.

The cost of energy impacts purchasing power.

Economic terminology.

7

Il faut trouver des sources d'énergie alternatives.

We must find alternative energy sources.

Plural 'sources d'énergie'.

8

Le dynamisme d'une équipe dépend de l'énergie de chacun.

The dynamism of a team depends on everyone's energy.

Using 'dynamisme' as a synonym.

1

L'œuvre de Balzac est empreinte d'une énergie vitale.

Balzac's work is marked by a vital energy.

Literary/Philosophical context.

2

La précarité énergétique touche de nombreux foyers.

Energy poverty affects many households.

Social/Political term 'précarité énergétique'.

3

Le rendement énergétique de ce moteur est optimal.

The energy efficiency of this engine is optimal.

Technical term 'rendement énergétique'.

4

Il a su insuffler une nouvelle énergie à l'entreprise.

He knew how to breathe new energy into the company.

Metaphorical verb 'insuffler'.

5

La thermodynamique étudie les transferts d'énergie.

Thermodynamics studies energy transfers.

Academic scientific context.

6

Son discours manquait de l'énergie nécessaire pour convaincre.

His speech lacked the energy necessary to convince.

Nuanced use of 'manquer de'.

7

Les enjeux énergétiques mondiaux sont au cœur des débats.

Global energy issues are at the heart of the debates.

Adjective 'énergétique' in a complex plural phrase.

8

Elle possède une force de caractère et une énergie inépuisables.

She possesses inexhaustible strength of character and energy.

Feminine plural agreement for 'inépuisables'.

1

L'entropie d'un système fermé tend vers un maximum, dégradant ainsi l'énergie.

The entropy of a closed system tends toward a maximum, thus degrading the energy.

High-level scientific discourse.

2

Le concept bergsonien d'élan vital est une forme d'énergie spirituelle.

The Bergsonian concept of 'élan vital' is a form of spiritual energy.

Philosophical terminology.

3

La dérèglementation du marché de l'énergie a bouleversé l'économie.

The deregulation of the energy market has disrupted the economy.

Complex economic analysis.

4

L'énergie cinétique se dissipe sous forme de chaleur lors du freinage.

Kinetic energy dissipates as heat during braking.

Precise physical description.

5

Il s'agit de mobiliser toutes les énergies pour surmonter cette crise.

It is a matter of mobilizing all energies to overcome this crisis.

Plural 'énergies' used for collective human effort.

6

L'architecture bioclimatique vise à optimiser l'énergie naturelle du site.

Bioclimatic architecture aims to optimize the site's natural energy.

Specialized professional context.

7

Le style de cet auteur se caractérise par une énergie verbale fulgurante.

This author's style is characterized by a dazzling verbal energy.

Advanced literary criticism.

8

La fusion nucléaire pourrait fournir une énergie quasi illimitée.

Nuclear fusion could provide almost unlimited energy.

Speculative scientific discourse.

Common Collocations

énergie renouvelable
consommation d'énergie
source d'énergie
manque d'énergie
faire le plein d'énergie
dépenser son énergie
énergie nucléaire
bilan énergétique
boisson énergétique
énergie fossile

Common Phrases

Avoir de l'énergie à revendre

— To have more energy than one needs; to be extremely energetic.

Ce petit garçon a de l'énergie à revendre !

Mettre toute son énergie dans...

— To dedicate all your effort to something.

Elle met toute son énergie dans sa nouvelle entreprise.

Économiser son énergie

— To save one's strength or avoid unnecessary effort.

Économise ton énergie pour la fin de la course.

Une perte d'énergie

— A waste of effort or power.

C'est une pure perte d'énergie de discuter avec lui.

Retrouver son énergie

— To get one's strength back after illness or fatigue.

J'espère retrouver mon énergie après ce repos.

Canaliser son énergie

— To focus one's energy on a specific goal.

Il doit apprendre à canaliser son énergie débordante.

Être plein d'énergie

— To be full of energy.

Le matin, je suis toujours plein d'énergie.

L'énergie du désespoir

— The sudden strength one gets in a desperate situation.

Il a lutté avec l'énergie du désespoir.

Manquer d'énergie

— To feel tired or weak.

Je manque d'énergie à cause du manque de sommeil.

Dépenser une énergie folle

— To spend an enormous amount of effort.

Il a dépensé une énergie folle pour organiser cette fête.

Often Confused With

l'énergie vs la force

Force is physical strength; energy is the capacity for action.

l'énergie vs la puissance

Puissance is the rate of energy output, usually for machines.

l'énergie vs le courant

Le courant refers specifically to electric current, not energy in general.

Idioms & Expressions

"Avoir la pêche"

— To be full of energy (idiomatic).

Ce matin, j'ai vraiment la pêche !

informal
"Avoir la frite"

— To be in high spirits and full of energy.

Elle a la frite aujourd'hui, elle a fini son projet.

informal
"Être une pile électrique"

— To be extremely energetic or hyperactive.

Ton neveu est une vraie pile électrique !

informal
"Avoir du ressort"

— To have the ability to bounce back; to have inner energy.

Malgré les échecs, il a encore du ressort.

neutral
"Péter le feu"

— To be bursting with energy.

Depuis qu'il fait du sport, il pète le feu.

slang
"Avoir du jus"

— To have energy/power left (often used in sports).

Il n'a plus de jus pour les derniers kilomètres.

informal
"Remettre les gaz"

— To put energy back into an effort.

Allez, on remet les gaz pour finir avant midi !

informal
"Prendre un coup de barre"

— To have a sudden drop in energy.

J'ai pris un coup de barre juste après le déjeuner.

informal
"Être à plat"

— To be completely out of energy (like a flat battery).

Je suis à plat après cette semaine de travail.

informal
"Recharger les batteries"

— To rest to regain energy.

Je pars à la montagne pour recharger les batteries.

neutral

Easily Confused

l'énergie vs énergétique

Sounds like the noun.

It is an adjective for systems/nutrition.

Une boisson énergétique.

l'énergie vs énergique

Sounds like the noun.

It is an adjective for people/actions.

Un patron énergique.

l'énergie vs synergie

Contains the same root.

Refers to combined action (1+1=3).

Une synergie entre services.

l'énergie vs allergie

Rhymes with énergie.

Refers to a medical reaction.

J'ai une allergie au pollen.

l'énergie vs chirurgie

Similar ending.

Refers to medical surgery.

Il travaille en chirurgie.

Sentence Patterns

A1

J'ai de l'énergie.

J'ai de l'énergie aujourd'hui.

A2

Il faut [verb] l'énergie.

Il faut économiser l'énergie.

B1

C'est une énergie [adjective].

C'est une énergie renouvelable.

B1

Manquer d'énergie.

Il manque d'énergie ce soir.

B2

Dépenser son énergie à [verb].

Il dépense son énergie à râler.

B2

Une source d'énergie [adjective].

Le vent est une source d'énergie propre.

C1

Insuffler de l'énergie à [noun].

Elle insuffle de l'énergie à son équipe.

C2

La dégradation de l'énergie.

La dégradation de l'énergie est un concept physique.

Word Family

Nouns

énergumène (odd/energetic person)
énergétique (the field of energy)

Verbs

énergiser (rarely used, prefer stimuler/dynamiser)

Adjectives

énergique (energetic person)
énergétique (related to energy science/nutrition)

Related

force
puissance
vigueur
dynamisme
vitalité

How to Use It

frequency

High frequency in both spoken and written French.

Common Mistakes
  • Un énergie Une énergie

    The noun is feminine, despite the elided article 'l''.

  • Je n'ai pas de l'énergie Je n'ai pas d'énergie

    In negative sentences, partitive articles change to 'de/d''.

  • Un homme énergétique Un homme énergique

    Use 'énergique' for people and 'énergétique' for technical things.

  • La énergie solaire L'énergie solaire

    You must elide 'la' before a vowel.

  • Mettre de l'énergie à... Mettre de l'énergie dans...

    The correct preposition for investing effort into something is 'dans'.

Tips

Gender Check

Always remember 'énergie' is feminine. Say 'une belle énergie', not 'un beau énergie'.

Person vs. Thing

Use 'énergique' for a lively person and 'énergétique' for a technical system or drink.

Soft G

The 'g' in 'énergie' is soft. Practice saying 'zh' to get it right.

Negative Form

In negative sentences, 'de l'énergie' becomes 'd'énergie'. This is a common B1 test point.

Energy Transition

In France, 'la transition énergétique' is a huge topic. Knowing this phrase will help you understand the news.

Having the Peach

If you have lots of energy, say 'J'ai la pêche !' It's a very common native expression.

Elision

Always elide: 'l'énergie'. Never say 'la énergie'.

Common Pairs

Learn 'énergie renouvelable' as a single block; it's used constantly.

Cognate Help

It's a cognate, so you already know the meaning! Just focus on the gender and pronunciation.

The 's' in Plus

In 'plus d'énergie', if it means 'more', the 's' is often heard. If it means 'no more', the 's' is silent.

Memorize It

Mnemonic

Imagine an 'Energy' bar that is 'Feminine' (Une Énergie). The 'é' looks like a little spark at the start of the word.

Visual Association

A battery icon with a French flag inside it, glowing with a soft 'zh' sound.

Word Web

Solaire Nucléaire Fatigue Sport Électricité Vigueur Projet Batterie

Challenge

Try to use 'l'énergie' in a sentence about your favorite hobby and another about the environment today.

Word Origin

Derived from the Latin 'energia', which itself comes from the Ancient Greek 'energeia' (ἐνέργεια).

Original meaning: In Greek, it meant 'activity' or 'operation', from 'en' (in) and 'ergon' (work).

Indo-European, Hellenic to Latin to Romance.

Cultural Context

Be careful when discussing 'énergies' in a spiritual sense; it can sound 'New Age' depending on the audience.

English speakers often use 'power' and 'energy' interchangeably, but in French, 'puissance' is for machines and 'énergie' is for the resource.

The French energy company 'EDF' (Électricité de France) The song 'L'Énergie' by the band Téléphone The 'loi de transition énergétique'

Practice in Real Life

Real-World Contexts

At the doctor

  • Je me sens sans énergie.
  • J'ai besoin de vitamines.
  • Je manque de tonus.
  • C'est un problème d'énergie ?

Environmental debate

  • L'énergie propre est vitale.
  • Le nucléaire est une énergie décarbonée.
  • Il faut réduire la consommation.
  • Les énergies fossiles polluent.

At work

  • Il faut canaliser l'énergie.
  • On manque d'énergie sur ce projet.
  • Elle a une énergie positive.
  • Optimisons notre énergie.

Sports

  • Gardez votre énergie pour la fin.
  • Il a une énergie débordante.
  • On a besoin de plus de jus.
  • Mettez-y de l'énergie !

Home life

  • Éteins la lumière pour l'énergie.
  • La facture d'énergie est chère.
  • J'ai fait le plein d'énergie.
  • On économise l'énergie.

Conversation Starters

"Qu'est-ce qui te donne le plus d'énergie le matin ?"

"Penses-tu que la France devrait utiliser plus d'énergie solaire ?"

"Comment fais-tu pour retrouver de l'énergie après une longue journée ?"

"Connais-tu des astuces pour économiser l'énergie à la maison ?"

"Qui est la personne la plus énergique que tu connaisses ?"

Journal Prompts

Décris une journée où tu avais une énergie débordante. Qu'as-tu accompli ?

Quelles sont tes sources d'énergie personnelles quand tu te sens fatigué ?

Pourquoi la transition énergétique est-elle importante pour notre avenir ?

Est-ce que tu préfères travailler avec des gens calmes ou des gens pleins d'énergie ?

Comment imagines-tu la production d'énergie dans cent ans ?

Frequently Asked Questions

10 questions

It is feminine. We say 'une énergie' or 'l'énergie est grande'. Because it starts with a vowel, we use 'mon' instead of 'ma', but it remains a feminine noun.

'Énergie' is the noun (the thing itself). 'Énergétique' is the adjective used for technical contexts, like 'le secteur énergétique' or 'une valeur énergétique'. For a person, use 'énergique'.

You say 'Je n'ai pas d'énergie.' Remember to use 'd'' instead of 'de l'' in the negative form.

Yes, 'les énergies' is used when talking about different types of sources (solar, wind, etc.) or metaphorically for collective efforts: 'Toutes les énergies sont mobilisées.'

Yes, 'énergisant' is an adjective meaning 'energizing'. You might hear 'un effet énergisant', but 'énergétique' is more common for drinks.

Yes, it is very common now. 'J'aime l'énergie de cette pièce' means you like the atmosphere or vibe of the room.

It translates to 'clean energy'. It refers to energy sources that do not emit greenhouse gases, like wind or solar power.

It is a soft 'g', pronounced like the 's' in 'pleasure' or 'vision'. It is never a hard 'g' like in 'guitar'.

It literally means 'to fill up on energy', like filling a car with gas. It means to rest or eat well to get your strength back.

Yes, especially in the 19th century (Stendhal, Balzac) to describe the 'willpower' or 'vital force' of ambitious characters.

Test Yourself 200 questions

writing

Écrivez une phrase sur ce qui vous donne de l'énergie.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Décrivez une personne énergique que vous connaissez.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Pourquoi devons-nous économiser l'énergie ?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Quelles sont les énergies renouvelables ?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Expliquez 'la transition énergétique'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Comment vous sentez-vous sans énergie ?

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'canaliser son énergie' dans une phrase.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Faites une phrase avec 'énergie nucléaire'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'énergie débordante' dans une phrase.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Traduisez : 'I spent all my energy on this.'

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Écrivez un conseil pour avoir plus d'énergie.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'dégager une énergie' dans une phrase.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Faites une phrase avec 'énergie fossile'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'bilan énergétique' dans une phrase.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Décrivez l'énergie d'une ville.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Traduisez : 'We lack energy.'

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'faire le plein d'énergie'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Faites une phrase avec 'boisson énergétique'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Expliquez 'l'indépendance énergétique'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Utilisez 'énergiquement'.

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
speaking

Dites : 'J'ai beaucoup d'énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Énergie renouvelable.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Je n'ai pas d'énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Expliquez ce qui vous fatigue.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Décrivez votre source d'énergie préférée.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'La transition énergétique.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Parlez d'une personne énergique.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Une énergie débordante.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Expliquez comment économiser l'énergie.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Un bilan énergétique.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Parlez des avantages du solaire.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Indépendance énergétique.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Racontez une histoire sur l'énergie.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Énergie cinétique.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Débattez sur le nucléaire.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Faire le plein d'énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Manquer d'énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Une énergie positive.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Économiser l'énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Dites : 'Dépenser son énergie.'

Read this aloud:

Correct! Not quite. Correct answer:
listening

Écoutez et identifiez le mot 'énergie'.

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'J'ai de l'énergie.' Est-ce positif ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez une pub pour une boisson. Quel est le mot clé ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez les infos. De quoi parlent-ils ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Elle est énergique.' Parle-t-on d'une machine ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'L'énergie renouvelable'. Combien de mots ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez un débat. Quelle est l'opinion ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Dépenser son énergie'. Qu'est-ce que ça veut dire ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Un coup de barre'. Est-ce beaucoup d'énergie ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Faire le plein'. De quoi parle-t-on ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Énergie nucléaire'. Est-ce du charbon ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Canaliser'. Quel est l'objet ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Manquer d'énergie'. Est-il en forme ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'Énergique'. Est-ce un nom ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Écoutez : 'La transition'. De quoi ?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

/ 200 correct

Perfect score!

Was this helpful?

Comments (0)

Login to Comment
No comments yet. Be the first to share your thoughts!