Hydropower produced 93.4% of Norway's electricity in June, equivalent to 9.47 terawatt-hours (TWh), according to Statistics Norway (SSB) on Thursday.
In addition to hydropower, the country produced 3.7% of its electricity from wind power and 2.9% 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 1.7% in June, compared to the same period last year.
By Murat Temizer