Recent alerts | Coombe Girls' School

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Last weekend gas use was 1,500 kWh costing about £45. Well done for minimising your weekend gas use!

Recent changes in your energy usage

Well done! Term time electricity use has decreased by 6.1%, saving £110 each week.

Last week, electricity used at night decreased by 4.6% compared to the average over the last year. Keep this up and the school will save £1,500 over the next year.

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Excellent! Electricity use in the Spring half term 2025 holidays has decreased by 7.4% compared to Spring half term 2024. Between Sunday 16 Feb 2025 and Sunday 23 Feb 2025 you used 6,600 kWh at a cost of £990. This is a saving of 530 kWh compared to the same period in the holidays last year and saved 380 kg CO2.

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Comparison with other schools

Last year peak electricity consumption was 170 kW. The best performing schools of a similar size have a peak consumption of 180 kW. Keep switching off to save even more electricity!

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Electricity usage over the last year was 510,000 kWh. This is good - Keep it up! Other schools with a similar number of pupils use 580,000 kWh.

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Long term trends and advice

There is a large variation in seasonal overnight electricity usage from 32 kW in the winter to 22 kW in the summer. This suggests electric heating is left running overnight during the winter or the school has inefficient security or flood lights. Change electric heater settings and improve lighting efficiency to save £4,500 annually.

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Your school could save £1,900 each year if the heating set temperature was reduced by 1°C

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