The pie charts below compare the proportion of energy capacity in gigawatts (GW) in 2012 with the predictions for 2030. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Part 1 (Academic)
7.5

Sample Essay with Corrections

The pie charts is showing the comparison of energy capacity in gigawatts (GW) for the year 2012 and predictions for 2030. In 2012, the biglargest source of energy was coal, which is accounted for 30.4% of the total energy capacity. Gas was the second largest source, accounting for 27.3% of the total. Nuclear and wind had similar proportions of around 10%, while hydro and other sources were aroundpproximately 5-6% each. Looking at the predictions for 2030, gas is expected too become the largest source of energy capacity, increasing from 27.3% to 32.6%. Coal will still account for a significant proportion but will decrease from 30.4% to 22.6%. Wind energy is predicted to see the biggestmost substantial increase, doubling from 10.5% in 2012 to 20% in 2030. Nuclear energy willis expected to remain relatively stable, while hydro and other sources are expecanticipated to see slight decreases. Overall, the data suggests that there will be a shift away from coal and towards gas and wind energy in the future. While coal will still be an important source, its share of the total energy capacity will decrease significantlly. Meanwhile, gas and wind are expected to see the biglargest increases, with wind energy doubling in proportion by 2030.
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Expert Feedback

The essay effectively summarizes the main features of the pie charts, providing a clear comparison between the years 2012 and 2030. Key strengths include a logical structure and appropriate vocabulary for the task. However, critical areas for improvement include enhancing transitions between paragraphs and varying vocabulary to avoid repetition. Structural changes made include correcting grammatical errors and improving the clarity of the overview. Suggestions for further improvements not implemented in the corrected version include incorporating more specific data points and using a wider range of synonyms to enhance lexical resource. The tone used is appropriate for an academic task, maintaining a formal and informative style.

Detailed Scores

Coherence And Cohesion
The essay is generally well-organized, with a logical flow of ideas. However, some transitions could be smoother, particularly when moving from the discussion of 2012 to the predictions for 2030. Using more cohesive devices would enhance the clarity of the comparisons.
7.0
Grammatical Range And Accuracy
The writing demonstrates a good range of grammatical structures, but there are some errors, such as 'is showing' instead of 'shows' and 'too become' instead of 'to become.' These minor mistakes affect the overall accuracy. More complex sentence structures could also be employed to showcase grammatical flexibility.
7.0
Lexical Resource
The vocabulary used is appropriate for the task, with terms like 'proportion,' 'capacity,' and 'predictions' effectively conveying the information. However, there are some repetitive phrases, such as 'energy capacity,' which could be varied. Introducing synonyms or alternative expressions would enhance the lexical range.
7.5
Task Achievement
The response effectively summarizes the main features of the pie charts, providing a clear comparison between the years 2012 and 2030. It identifies the largest sources of energy and discusses the expected changes. However, it could improve by including more specific data points and a clearer overview of the overall trends.
7.5

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