The graph compares the different demand for electricity in summer and winter in England. The pie chat gives us information about the way that electricity is being used.
It is clear that the daily demand in winter is consistently higher than that in summer. There are two rush hour of electricity’s demand in winter at about 3’0 clock and 21’0 clock, reaching at 40000 units and nearly 45000 respectively. And also the is a bottom at about 7’0 clock, arriving at 30000 unit. Similarly the demand in Summer arrivives at bottom at around 9’0 clock for about 12000 units while the demand peaks at 20000 units both in 14’0 clock and 22’0 clock.
For the constitution of electricity’s usage, most of the resourse used for heating, for instance the rooms and waters. The following is the device in kitcken like ovens and kettles taking up 17.5% in total. And the use for TV, radio and electric tools show the same pattern, they all account for 1590.
To sum up, the demand for electricity is obviously higher than that in summer and the electricity that used in heating show a dominant role in our daily life.