Hydropower produced 91.2% of Norway's electricity in September, according to Statistics Norway (SSB) on Friday.
The country produced 12.05 terawatt-hours (TWh) of electricity in September, out of which 8.74 TWh was consumed.
In addition to hydropower, the country produced 7.1% of its electricity from wind power and 1.6% from thermal power.
The extraction of crude petroleum and natural gas, and power-intensive manufacturing composed the largest share of consumption.
The Nordic country's electricity consumption increased by 2.2% in September, compared to the same period last year.
By Murat Temizer