Last holiday, gas use in 2 ysgol in this group decreased compared to the same holiday last year. Adjusting for changes in outside temperature, this saved £180 and 1,100 kg CO2 compared to last year.
Last week, the electricity baseload increased at 4 ysgol in this group compared to the average over last year. If baseloads stay this high it will cost an extra £11,000 each year.
Last year, 2 ysgol in this group left their heating on during warm weather, costing £670. Speak to the schools about not switching the heating on too early in the Autumn or off too late in the Spring.
Rydym yn defnyddio rhai cwcis hanfodol i wneud i Sbarcynni weithio. Hoffem hefyd ddefnyddio cwcis dadansoddol fel y gallwn ddeall sut rydych yn defnyddio'r gwasanaeth a gwneud gwelliannau.
Dysgu rhagor