alternative energy: meaning, definition, pronunciation and examples
B2Formal, technical, journalistic, educational
Quick answer
What does “alternative energy” mean?
Energy derived from natural, replenishable sources that are not fossil fuels, such as solar, wind, hydro, and geothermal power.
Audio
Pronunciation
Definition
Meaning and Definition
Energy derived from natural, replenishable sources that are not fossil fuels, such as solar, wind, hydro, and geothermal power.
A broad category encompassing any energy source intended to replace conventional, environmentally problematic fuels like coal, oil, and natural gas; also implies a philosophy of sustainable development and reduced environmental impact.
Dialectal Variation
British vs American Usage
Differences
No major lexical differences. The term is identical and used with the same frequency. Spelling follows regional conventions for 'alternative' (no difference).
Connotations
In the UK, the term is strongly linked to government policy and national targets (e.g., Climate Change Act). In the US, it can carry stronger political connotations, often associated with debates on climate policy and economic transition.
Frequency
Very high frequency in both varieties, with slightly higher usage in UK media and policy documents due to more entrenched national targets.
Grammar
How to Use “alternative energy” in a Sentence
investment in alternative energyshift towards alternative energyalternative energy from [source]alternative energy as a solutionVocabulary
Collocations
Examples
Examples of “alternative energy” in a Sentence
verb
British English
- The government aims to **alternative-energy** its transport fleet by 2035. (Note: This is a rare neologism, used here for demonstration.)
American English
- The state is moving to **alternative-energy** its public infrastructure. (Rare/innovative usage.)
adverb
British English
- The home was powered **alternative-energily**. (Note: This is highly non-standard and constructed for example; standard usage would be 'using alternative energy'.)
American English
- The plant runs **alternative-energily**. (Highly non-standard/constructed.)
adjective
British English
- They installed **alternative-energy** systems throughout the eco-village.
- The **alternative-energy** sector is growing rapidly.
American English
- She works for an **alternative-energy** consulting firm.
- **Alternative-energy** credits can reduce your tax burden.
Usage
Meaning in Context
Business
Refers to market sectors, investment opportunities, and corporate sustainability strategies. Example: 'The venture capital firm is focusing its portfolio on alternative energy start-ups.'
Academic
Used in environmental science, engineering, and policy studies to discuss sources, efficiency, integration, and impacts. Example: 'The paper analyses the grid stability challenges of large-scale alternative energy adoption.'
Everyday
Used in discussions about home solar panels, reducing carbon footprints, or news topics. Example: 'We're considering alternative energy for our new house to cut down on bills.'
Technical
Specifics of technologies, e.g., photovoltaic cells, turbine design, biofuel conversion processes, smart grid integration. Example: 'The inverter is crucial for converting alternative energy DC output to AC for the grid.'
Vocabulary
Synonyms of “alternative energy”
Vocabulary
Antonyms of “alternative energy”
Watch out
Common Mistakes When Using “alternative energy”
- Using 'alternate energy' (incorrect; 'alternate' means 'every other').
- Confusing 'alternative' (choice) with 'alter' (to change).
- Treating it as a plural countable noun (e.g., 'alternative energies' is less common; prefer 'alternative energy sources').
FAQ
Frequently Asked Questions
In most modern contexts, yes, they are used synonymously. Strictly, 'alternative' can be broader (including nuclear or cleaner fossil fuels), but 'renewable' specifically refers to inexhaustible sources like sun and wind.
Yes, in compound form (e.g., 'alternative energy sources', 'alternative energy sector'). It functions as a noun modifier.
Commonly cited challenges include intermittency (sun doesn't always shine, wind doesn't always blow), energy storage, and the initial high capital costs of infrastructure.
It is debated. It is alternative to fossil fuels and low-carbon, but it is not renewable (uranium is finite) and comes with unique waste and safety concerns. Many official classifications list it separately.
Energy derived from natural, replenishable sources that are not fossil fuels, such as solar, wind, hydro, and geothermal power.
Alternative energy is usually formal, technical, journalistic, educational in register.
Alternative energy: in British English it is pronounced /ɒlˈtɜːnətɪv ˈɛnədʒi/, and in American English it is pronounced /ɔːlˈtɜːrnətɪv ˈɛnərdʒi/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “The winds of change (often used in context of wind energy transition)”
- “Harnessing the sun/wind (literal, but idiomatic in context)”
Learning
Memory Aids
Mnemonic
Think: 'An ALTERNATIVE to burning old dinosaurs (fossil fuels) is using the sun, wind, and water.'
Conceptual Metaphor
ENERGY IS A CHOICE (between a harmful path and a clean path); THE PLANET IS A PATIENT (alternative energy is the cure/therapy).
Practice
Quiz
Which of the following is LEAST likely to be classified as a mainstream 'alternative energy' source in contemporary discourse?