Hydropower produced 89.4% of Norway's electricity in March, equivalent to 13.06 terawatt-hours (TWh), according to Statistics Norway (SSB) on Monday.
In addition to hydropower, the country produced 9.5% of its electricity from wind power and 1.1% from thermal power.
The country's total electricity production amounted to 14.61 TWh in March.
The largest share of consumption was for the extraction of crude petroleum and natural gas, and power-intensive manufacturing.
The Nordic country's electricity consumption decreased by 5.8% in March, compared to the same period last year.
By Murat Temizer