Hydropower produced 90.1% of Norway's electricity in January, equivalent to 12.02 terawatt-hours (TWh), according to Statistics Norway (SSB) on Monday.
In addition to hydropower, the country produced 7.7% of its electricity from wind power and 2.2% from thermal power.
The country's total electricity production was 13.34 TWh in January.
The largest share of consumption came from the extraction of crude petroleum and natural gas, and power-intensive manufacturing.
The Nordic country's electricity consumption decreased by 7.7% in January, compared to the same period last year.
By Murat Temizer