The pie diagrams compares the percentage of electricity produced by 7 various sources namely, hydro pumped storage, gas, other reneweables, nuclear, hydro natural flow, oil, and coal in Scotland for twenty years and previous year.
Overall, it is evident that coal was the largest producer of electricity in both the periods.Notably, excpet for other renewables, oil, and nuclear, the rest experienced a downward trend with hydro pumped storage being the smallest producer in the two time span.
Twenty years ago, Coal accounted for 41.1% kilowatthours,the highest among the given producers.Following this was Gas and Nuclear at about 22.3% kilowatthours and 19.6% kilowatthours and hydro natural flow at 8.7% of electricity .Interestingly, production by hydro pumped storage, other renewables, and oil were roughly just under 5% kilowatthours.
Last year, there were noticible changes in the electricity production by the sources. Electricty produced by Coal reduced to 32.7%; however , it remained as the major prodcuer.Neverthless, rate of Gas and Nuclear increased significantly to 22.3% and 26.4%.Moreover, the rates of other renewables, oil showed a sharp rise from 2.8% kilowatthours to 5.1% kilowatthours and from 2.1% kilowatthours to 4.0% kilowatthours whereas the percentage of hydro pumped storage and hydro natural flow experieced a slight decreace from 3.1% and 8.7% to 2.2% and 7.9% respectively.