The pie charts below show electricity generation by source in New Zealand and Germany in 1980 and 2010.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Electricity Generation by Source in New Zealand

The charts compare the units of electricity produced in New Zealand and Germany in 1980 and 2010 from 5 fuel sources.

Overall, more units of electricity were produced in 2010 than in 1980 in both countries.

In 2010, most electricity was produced by nuclear power in Germany and by coal in New Zealand.

(In 1980, total electricity production was higher in New Zealand than in Germany, with 127 and 107 units respectively.

By 2010, the total electricity generated rose to 200 units in New Zealand, but increased in Germany to 214 units.)

In 1980, coal was the main source of electricity in New Zealand.

It produced 56 units, which was twice the figure for Germany.

Natural gas and hydro each accounted for 30 units in New Zealand, with 11% for coal.

In contrast, in Germany, the figures for natural gas, nuclear and hydro power were 28%, 20% and only 7% respectively.

There were 2 main sources of electricity production in New Zealand in 2010, coal [150 units] and hydro [46 units].

Nuclear power was used to generate 155 units in Germany.

Although the figure for natural gas fell to only 2 units, coal [28%] and petroleum [27%] remained significant.