Evaluating Advantages and Disadvantages of Renewable Energy Sources
The prompt
Discuss the advantages and disadvantages of renewable resources. Which do you think are more significant? Give reasons and examples to support your opinion.
20 minutes. Write 200 to 300 words. A BandLadder practice prompt, not a recalled exam question.
Plan before you write
- Position:
- While renewable energy faces implementation hurdles, its long-term environmental and economic significance outweighs the initial drawbacks.
- Paragraph 2:
- The primary advantages of renewable energy include sustainability and a substantial reduction in greenhouse gas emissions.
- Paragraph 3:
- The disadvantages involve high initial infrastructure costs and the inherent intermittency of sources like wind and solar.
- If the question says outweigh, decide which side wins and say so in the introduction.
- One paragraph for advantages, one for disadvantages, each with a concrete example.
- The conclusion must give the verdict; listing both sides without one loses task response.
Sample essay
The transition toward renewable energy represents a critical shift in global power production. While this move offers substantial environmental benefits, it also introduces specific economic and logistical challenges. This essay will examine these factors and argue that the long-term advantages of sustainability are more significant than the temporary obstacles associated with implementation.
The primary advantages of renewable energy are its inexhaustible nature and minimal carbon footprint. Unlike fossil fuels, which are finite and pollute the atmosphere, sources such as solar, wind, and hydroelectric power provide clean energy indefinitely. For instance, countries like Denmark have successfully integrated wind energy into their national grids, significantly lowering their reliance on imported coal and reducing overall carbon emissions, thereby combating climate change effectively.
Conversely, the disadvantages involve high capital expenditure and the issue of intermittency. Developing the necessary infrastructure, such as large-scale solar farms or offshore wind turbines, requires immense financial investment. Furthermore, these sources are often dependent on weather conditions, which can lead to instability in power supply. For example, when sunlight or wind is insufficient, backup systems or advanced battery storage technologies are required to maintain a consistent energy flow, adding further complexity and cost to the power grid.
In conclusion, although the high costs and storage limitations of renewable energy pose significant difficulties, they are outweighed by the necessity of preserving the environment for future generations. Through continued technological innovation and strategic investment, the drawbacks of renewable resources can be mitigated, ensuring a sustainable and cleaner future for the global population.
250 words. Use the structure and vocabulary, not the sentences: PTE flags memorised templates.
Why this scores well
This response scores highly for its clear logical progression, formal academic register, and precise usage of technical vocabulary. A common error on this prompt is failing to explicitly state which side is more significant, which negatively impacts the score for development and structure.
Vocabulary from the essay
- inexhaustible
- existing in such abundance that it cannot finish
- carbon footprint
- the total amount of greenhouse gases emitted
- intermittency
- the quality of starting and stopping at intervals
- capital expenditure
- funds used by a company to acquire assets
- mitigated
- made less severe, serious, or painful
- integrated
- combined to form a whole or unified system
- reliance
- dependence on or trust in someone or something
- logistical
- relating to the organization of complex operations
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Frequently asked questions
How long should a PTE essay be?
Between 200 and 300 words; outside that range the form score drops to zero. This sample is 250 words, written for the 20-minute limit.
What type of essay is this?
Advantages and disadvantages. If the question says outweigh, decide which side wins and say so in the introduction.
What does PTE reward in the essay?
This response scores highly for its clear logical progression, formal academic register, and precise usage of technical vocabulary. A common error on this prompt is failing to explicitly state which side is more significant, which negatively impacts the score for development and structure.
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