The bar chart below shows Scotland's exports to the rest of the UK and the rest of the world for the year 2014

The illustrated diagrams depict the differences in generated

electricity

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by several

sources

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between 20

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year

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years

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ago and

last

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year

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.

Overall

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, coal and gas are the main

sources

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of

electricity

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during the long period. Regarding

to

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apply

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the three main pieces of

chart

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the chart

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, the energy

sources

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coal, gas,

nuclear

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and nuclear

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were

the

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at the

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top of the list. Their percentages were similar in two years. When 20 years ago in Scotland, coal was the first source of energy with 41.4%,

last

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year

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was 32.7% which is

lower

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a lower

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result.

Moreover

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, the pieces of the gas

was

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were

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fallen from 22.3% to 21.7. So, the reason for

that is

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, a new popular source

nuclear

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of nuclear

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which

became

Verb problem

went

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from 19.6% to 26.4%. Turning to the unpopular

sources

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of

electricity

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, they contained little pieces by not dramatical change in

last

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year

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.

However

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, except

the

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for the

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hydro natural flow, oil, hydro pumped storage and other renewables increased their generation of

electricity

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. The interesting point is that

,

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apply

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the oil increased the generation twice more than 20 years before