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The image contains two visual data representations, a line graph, and a pie chart. The line graph, titled "Typical daily demand for electricity," shows two lines representing electricity demand in units for Winter and Summer over a 24-hour period in intervals of 3 hours. Winter demand starts at approximately 40000 units, peaks around 45000 units between hours 18 and 21, and ends near 30000 units. Summer demand starts close to 25000 units, slightly increases to 30000 units between hours 9 and 12, and then gradually decreases to end just above 20000 units. The pie chart titled "What the electricity is used for" represents four categories with percentages: Heating rooms, heating water at 52.5%; Ovens, kettles, washing machines at 17.5%; Lighting, TV, radio at 15.0%; and Vacuum cleaners, food mixers, electric tools at 15.0%.
Given the complexity of the image, the above description may not be entirely accurate.
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The line graph illustrates the daily electricity demand in England during winter and summer, while the pie chart presents the proportion of electricity usage in an average English household.
Overall, electricity consumption was significantly higher in winter than in summer, more than doubling. The primary use of electricity was for heating rooms and water, which suggests a strong correlation between electricity demand and its primary usage.
During summer, electricity usage averaged around 20,000 units, whereas in winter, it surged to approximately 40,000 units. In the early morning, winter electricity demand dropped to around 30,000 units, before rising sharply in the evening, peaking at almost 50,000 units.
Regarding household electricity usage, the largest proportion (52.5%) was dedicated to heating rooms and water. Ovens, kettles, and washing machines accounted for 17.5%, followed by lighting, TV, and radio at 15%, which was the same proportion as vacuum cleaners, food mixers, and electric tools.
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