What Is The Synonyms Of Renewable?

What is the synonyms of renewable?

Renewable energy refers to energy sources that are continuously replenished by nature and never run out. Examples include solar, wind, hydropower, geothermal, and biomass energy. Knowing synonyms for renewable energy is useful when reading about or discussing energy topics, as many related terms are often used interchangeably or to provide variety in writing.


Renewable energy is defined as energy that comes from natural sources or processes that are constantly replenished. Some examples of renewable energy sources include solar, wind, geothermal, hydropower, and biomass. According to the National Geographic, renewable energy is “energy generated from natural processes that are constantly replenished”.

The key aspect that makes renewable energy different from fossil fuels is that renewable energy sources are naturally replenished over time. For example, sunlight and wind keep shining and blowing regardless of how much we harness them for energy. Meanwhile, fossil fuels like coal and oil take millions of years to form naturally and cannot be replenished over human timescales once they are depleted.

Renewable energy sources are considered “clean” and environmentally-friendly since they do not produce greenhouse gas emissions directly when converted into electricity. Widespread adoption of renewable energy is considered a crucial strategy for reducing greenhouse gas emissions and mitigating climate change. According to Prysmian Group, “The key benefit of renewable energy is it does not directly emit greenhouse gases when generating electricity, unlike fossil fuel energy”.

In summary, the core meaning of renewable energy refers to energy derived from sources that replenish naturally over time, such as sunlight, wind, water, plants, etc. This differentiates renewable energy from exhaustible fossil fuels which cannot be replenished over reasonable time periods.


The word “sustainable” is commonly used as a synonym for “renewable.” Both terms refer to resources, technologies, or practices that can be maintained over time without being depleted or causing harm to the environment. When something is sustainable, it means it can continue indefinitely without being exhausted or degraded.

Renewable energy sources like solar, wind, and hydropower are considered sustainable because they utilize inexhaustible resources. The sun will continue shining, the wind will keep blowing, and the water cycle will repeat – allowing these technologies to be used forever. Fossil fuels like coal and oil, on the other hand, are non-renewable and unsustainable since their supply is finite.

The concept of sustainability is broader than renewability. It also encompasses responsible use of resources to avoid depletion, maintaining biodiversity, and minimizing pollution or damage to ecosystems. But renewable energy plays a key role in creating a sustainable society by providing power without long-term environmental consequences. That’s why the terms renewable and sustainable are closely linked and often used interchangeably.


Green energy is commonly used as a synonym for renewable energy. The term refers to energy generated from renewable, natural sources that are sustainable and have a low environmental impact. Sources of green energy include solar, wind, geothermal, hydropower, and biomass. Green energy is interchangeable with renewable energy in that it comes from replenishable sources and does not deplete finite resources in the same way that fossil fuels do (1).

Some key characteristics of green energy align with renewable energy as well. Green energy sources are sustainable, abundant, and naturally replenished. They produce little to no greenhouse gas emissions or other pollutants. Green power technologies are also considered clean energy in that they have minimal negative impacts on the environment and human health (2).

Overall, green and renewable energy refer to the same essential concept of harnessing naturally occurring, inexhaustible energy sources to generate electricity or power in a sustainable manner. The terms are largely synonymous and both represent alternatives to nonrenewable fossil fuels. Green energy emphasizes the environmental benefits of these technologies while renewable focuses on their replenishable nature (3).

(1) https://www.twi-global.com/technical-knowledge/faqs/what-is-green-energy

(2) https://www.genusinnovation.com/blogs/green-energy-definition-importance-types-differences-explained

(3) https://ampraenergy.com/what-is-green-energy/


Alternative energy is often used as a synonym for renewable energy. The term generally refers to energy sources that are sustainable, clean, and replace fossil fuels. According to Free Thesaurus, alternative energy is defined as energy from sources other than fossil fuels or nuclear power. Some key connotations of alternative energy as a synonym for renewable energy include:

  • Sustainable – Alternative energy comes from resources that are continually replenished, like sunlight, wind, water, plants, and geothermal heat.
  • Environmentally-friendly – Alternative energy has much lower emissions and environmental impact than traditional fossil fuels.
  • Future-oriented – Alternative energy represents the path forward to meeting energy needs while reducing pollution and climate change.
  • Choice – Alternative energy provides options and alternatives to conventional energy systems.
  • Innovation – Alternative energy often utilizes new and innovative technologies like solar panels, wind turbines, and electric vehicles.

While alternative energy generally refers to renewable sources, it can also include lower-emission fossil fuel technologies like natural gas. However, sustainability is a key connotation of alternative energy as a synonym for renewables.


The word “clean” is often used synonymously with renewable energy sources (“What is clean energy and why is it crucial to achieve …) . Clean energy refers to energy that comes from sources that don’t produce pollution or greenhouse gases, unlike fossil fuels (https://www.dictionary.com/browse/clean-energy). Sources of clean energy include solar, wind, geothermal, hydropower, and nuclear energy. Clean energy is also sometimes referred to as green energy or sustainable energy.

The main benefit of clean energy sources is that they do not emit carbon dioxide or other pollutants into the atmosphere like coal and natural gas do. This makes them better for the environment and public health. Clean energy sources are considered renewable as they come from natural sources that are not depleted when used, unlike finite fossil fuel reserves (https://www.lsd.law/define/clean-energy). Transitioning to more clean energy and reducing reliance on fossil fuels is seen as crucial for mitigating climate change and reducing air pollution.


Natural energy refers to renewable energy sources that come from natural sources, processes or heat derived from the earth, sun, plants or animal materials. These energy sources are considered “clean” or “green” as they don’t rely on the combustion of fossil fuels and don’t generate greenhouse gas emissions. Common examples of natural energy resources include solar, wind, hydropower, geothermal and biomass energy. These sources are generated continuously and their supplies are essentially inexhaustible. Natural energy provides a sustainable alternative to fossil fuels and supports the transition to a low-carbon future.

The term “natural energy” is sometimes used as a synonym for renewable energy because renewables harness natural forces or substances like sunlight, wind, water, plants and heat from the earth’s interior. Natural energy highlights the reliance on nature and natural cycles rather than intensive processes to produce power. It contrasts with fossil fuel sources that require extensive extraction, refining and combustion. The “natural” designation evokes associations with environmental-friendliness, harmony with nature and low-impact energy production.

Some key characteristics of natural energy resources:

  • Derived from natural, recurring flows of energy from the sun, wind, water movement, plants and geothermal heat
  • Have a neutral or positive environmental impact when harnessed
  • Emit little to no greenhouse gases or air pollutants
  • Generate power sustainably without depletion of resources
  • Include solar, wind, hydropower, biomass, geothermal, tidal, wave and some hydrogen energy

In summary, “natural energy” highlights the renewable, clean and sustainable nature of resources like solar, wind and hydropower. It represents an environmentally responsible alternative to fossil fuel use.


Non-fossil energy sources are considered synonymous with renewable energy. This refers to energy derived from sources that are continuously replenished by natural processes like sunlight, wind, waves, or geothermal heat. Using non-fossil fuels helps reduce greenhouse gas emissions and mitigate climate change (source). Transitioning to non-fossil energy is a key part of decarbonizing the global economy. Some examples of non-fossil energy sources are solar, wind, hydropower, geothermal, and nuclear power. Using these instead of fossil fuels like coal, oil, and natural gas can help mitigate climate change and build a more sustainable energy system.


Low-carbon energy sources are closely related to renewable energy sources. Both refer to sources of energy that produce fewer greenhouse gas emissions compared to fossil fuels like coal, oil, and natural gas.

Low-carbon energy includes renewable sources like solar, wind, hydroelectric, geothermal and biomass. It can also include nuclear power and fossil fuels where steps are taken to reduce carbon emissions through carbon capture and storage. According to Low-Carbon Power, low-carbon sources make up close to 40% of the global electric supply.

The key difference between renewable and low-carbon energy is that renewable sources are naturally replenished, while low-carbon encompasses any technology or process that results in substantially lower carbon emissions. For example, natural gas can be considered low-carbon if paired with carbon capture, even though it is a fossil fuel.

Many experts argue that transitioning to low-carbon energy sources is essential for combating climate change and reducing greenhouse gas emissions, as noted in this Frontiers in Energy Research article. The Paris Agreement specifically sets targets for limiting emissions through increased use of low-carbon sources.


Some key renewable energy synonyms include sustainable, green, alternative, clean, natural, non-fossil, and low-carbon.

These terms all refer to energy sources that can be continually replenished and do not get used up or depleted over time. The most common types of renewable energy include solar, wind, geothermal, hydroelectric, and biomass.

Renewable energy plays an important role in reducing reliance on finite fossil fuels like coal, oil, and natural gas. Using renewable sources can lower carbon emissions and help combat climate change. Many countries are setting ambitious renewable energy goals to transition to cleaner energy systems.

The main takeaways are that renewable energy comes from natural cycles and resources that are constantly renewed, like the sun, wind, or water flow. And promoting renewable energy development helps create a more sustainable future with less pollution and environmental damage.

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