There are some 140 network companies (grid operators or DSOs) that own and operate regional distribution and/or distribution networks (source: Network regulation - NVE). View a map of Norway and its grid
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Most grid companies are primarily owned by municipalities and counties, although some are privately owned as well. There are no requirements for public ownership for wind power plants, solar power
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The following page lists some power stations in Norway. Norway produces a total of 13,570 MW for power consumption. For traction current, see Electric power supply system of railways in Norway. The plant was supposed to be closed at the end of 2018, but was still in operation as of 2021.
The Norwegian electricity network is made up of three main categories: transmission (central), regional and local distribution: Statnett is the only Transmission System Operator (TSO) and is responsible for transmission tariffs.
Most solar installations are rooftop systems installed on private homes and industrial buildings, primarily covering the owners' own electricity consumption. In recent years, there has been growing interest in ground-mounted solar power plants. Norway’s thermal power plants accounted for about 1.5% of the total production capacity in 2025.
Hydropower accounts for most of the Norwegian power supply, and the resource base for production depends on the precipitation in a given year. This is a significant difference compared to the rest of Europe where security of supply is mainly secured through thermal power plants, with fuels available in the energy markets.
Many power plants in Norway have storage reservoirs and production can therefore be adjusted within the constraints set by the licence and the watercourse itself. Wind and solar power are intermittent; electricity can only be generated when the energy is available. The same applies to run-of-river power plants and small-scale hydropower plants.
Hence, production often depends on the electricity needs of the industry. These power plants use a variety of energy sources, including municipal waste, industrial waste, surplus heat, oil, natural gas and coal. There are 30 thermal power plants in Norway, with a total installed capacity of about 538 MW.
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