Pie Chart

Band 8+: The three pie charts below compare the sources of electricity in three different countries, labelled X, Y and Z.

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Image for topic: The three pie charts below compare the sources of electricity in three different countries, labelled X, Y and Z.

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The image displays three pie charts under the title 'Sources of electricity in three countries', detailing the energy mix for Country X, Country Y, and Country Z. In Country X, the sources are: Fossil fuels 72%, Nuclear 8%, and Renewables 20%. In Country Y, the distribution is: Fossil fuels 45%, Nuclear 30%, and Renewables 25%. In Country Z, the sources are composed of: Fossil fuels 30%, Nuclear 5%, and Renewables 65%.

Given the complexity of the image, the above description may not be entirely accurate.

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The pie charts given compare various electricity sources, namely fossil fuels, nuclear, and renewables, in three different nations, labelled X, Y, and Z.

Overall, fossil fuels were almost the leading source in all surveyed countries, with the exception of country Z, as this area’s electricity relied mainly on renewables. While nuclear came third in country X and country Z, this source was in the second position in country Y. The use of renewable energy varied significantly between the three.

Country X was the most dependent on fossil fuels, with this source making up just under three-quarters of the total electricity sources, exceeding threefold renewables and nine times higher than nuclear. Likewise, fossil fuels were also dominant in country Y, at 45%, which was 15% and 20% percentage points higher than nuclear and renewables, respectively.

Conversely, a different pattern was evident in country Z. In this country, renewables accounted for the majority of its electricity, at 65%, more than double the figure for fossil fuels. Nuclear power supplied a minor amount of country Z’s electricity, at just 5%-the smallest share of any source across the three recorded countries.

Word Count: 187

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
Continue to challenge and refine your language choices.

Grammar Mistakes: N/A

Vocabulary Repetition:

country: 8

electricity: 5

fossil: 5

fuels: 5

nuclear: 5

renewables: 5

source: 4

Try using synonyms for the above words

Task Response

The report effectively addresses the task by providing a clear overview and highlighting key comparisons between the three countries. The main features are well-selected, and the data is generally accurate. Minor omissions, such as not explicitly stating the exact percentages for all sources in every country, are acceptable and do not detract from the overall quality. To improve, ensure that all data points are mentioned where relevant and that comparisons are consistently drawn across all categories. The structure and language are strong, with appropriate use of comparative phrases.

Coherence & Cohesion

The report is well-organized with a clear introduction, overview, and detailed paragraphs. The message is easy to follow, and the use of cohesive devices is generally effective. To achieve a perfect score, ensure that transitions between ideas are even smoother and that each paragraph has a clear central topic. For instance, the second paragraph could be more focused on the overview, while the third and fourth paragraphs could more distinctly separate the discussion of each country.

Lexical Resource

The vocabulary is appropriate and varied, with good use of synonyms and precise terms (e.g., 'dependent on', 'dominant', 'accounted for', 'minor amount'). The phrasing is natural and sophisticated. To reach a band 9, consider using even more advanced lexical items and ensuring that all word choices are perfectly precise. For example, 'exceeding threefold renewables' could be rephrased as 'more than three times the share of renewables' for greater clarity and naturalness. Pay attention to vocabulary repetition to improve the overall score.

Grammatical Range & Accuracy

The report demonstrates a good range of grammatical structures, including complex sentences and appropriate use of passive voice. There are only minor errors and phrasing issues, which do not impede understanding. To achieve a band 9, focus on eliminating these minor inaccuracies and ensuring that all structures are used with full flexibility. For example, 'exceeding threefold renewables' is slightly awkward; consider 'exceeding the share of renewables by threefold' or 'more than three times the share of renewables'. Also, '15% and 20% percentage points higher' could be simplified to '15 and 20 percentage points higher'.

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