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Tjønnefoss power station

hydroelectric power station in Nissedal municipality, Telemark county, Norway
Place hydroelectric_power_station Q12006514
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Key Facts

  • Located in the administrative territorial entity: Nissedal[1]
  • Country: Norway[2]
  • Located in or next to body of water: Arendalsvassdraget[3]
  • Owned by: Å Energi Vannkraft[4]
  • Operator: Å Energi Vannkraft[5]
  • Coordinate location: 58.98427, 8.53449[6]
  • Service entry: 1966[7]
  • Nominal power output: 6.0 MW[8]
  • Throughput: 39.7 cubic metre per second[9]
  • Annual energy output: 39.9 gigawatt hour[10], 36.0 gigawatt hour[11]
  • Hydraulic head: 17.7 m[12], 18.0 m[13]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [4] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  3. [1] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  4. [5] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  8. [8] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  9. [9] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  10. [10] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  11. [11] ↑ . ae.no. Retrieved . ae.no. Provenance: wikidata.org.
  12. [12] ↑ . NVE's database of hydroelectric power plants. Retrieved . nve.no. Provenance: wikidata.org.
  13. [13] ↑ . ae.no. Retrieved . ae.no. Provenance: wikidata.org.

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BibTeX @misc{4ortxyz_tj-nnefoss-power-station_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tjønnefoss power station}}, year = {2026}, url = {https://4ort.xyz/entity/tj-nnefoss-power-station}, note = {Accessed: 2026-05-03}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7w ago · Ajarmund · 2026-08-23 view diff on Wikidata ↗
    Instance of → hydroelectric power station
    Hydraulic head → {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': , {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount':
    Imported from → —
    Service entry → +1966-00-00T00:00:00Z
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||9 */ update info NVE ([[:toollabs:editgroups/b/OR/77a14e71bb1|details]])"
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