Hydropower produced the vast majority at 92.9% of Norway's electricity in July, equivalent to 10.45 terawatt-hours (TWh), according to Statistics Norway (SSB) on Monday.
In addition to hydropower, the country produced 4.5% of its electricity from wind power and 2.6% from thermal power.
The country's total electricity production was 11.24 TWh in July.
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 increased 2.2% in July, compared to the same period last year.
By Murat Temizer