What is the latest status of the project “Illvatn Pumped Hydro Project”?

The status recorded for “Illvatn Pumped Hydro Project” is planned.

What is the budget and commercial profile for the project “Illvatn Pumped Hydro Project”?

Taiyo normalizes the budget of “Illvatn Pumped Hydro Project” to USD 110000000.

Where can I verify the source and access all details for “Illvatn Pumped Hydro Project”?

This Taiyo project page references pv magazine International along with the original URL (https://www.pv-magazine.com/2025/11/18/hydro-approves-largest-pumped-hydro-project-in-more-than-20-years-in-norway/). Taiyo standardizes official data into a consistent, searchable project profile.

Illvatn Pumped Hydro Project

Sector: Tunnel • Location: Luster, Western Norway, Norway

Source: pv magazine International

Project

Planned

Norsk Hydro has approved the construction of the Illvatn pumped-storage project in Luster, western Norway. The project involves constructing an 8 km tunnel connecting the lower reservoir Fivlemyrane at 1,018 meters above sea level with the Illvatn reservoir at 1,382 meters. The project will add around 107 GWh of annual energy production and increase flexibility at Hydro's Fortun power operations.

Status: Prospective
Sector: Tunnel, Energy Storage, Water Supply and Storage, Power Generation (CCGT), Hydro, Solar
Location: Luster, Western Norway, Norway
Updated: 22 Jul 2026
Source: pv magazine International

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Project Information

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The project “Illvatn Pumped Hydro Project” is an infrastructure initiative in the Tunnel sector, located in Luster, Western Norway, Norway. Taiyo aggregates data on it from pv magazine International.

Participants

Not available for this record.

Status

Original status	planned
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	Norsk Hydro has approved the construction of the Illvatn pumped-storage project in Luster, western Norway. The project involves constructing an 8 km tunnel connecting the lower reservoir Fivlemyrane at 1,018 meters above sea level with the Illvatn reservoir at 1,382 meters. The project will add around 107 GWh of annual energy production and increase flexibility at Hydro's Fortun power operations. The permitted water level minimums at Illvatn will be lowered to boost reservoir capacity. The project is expected to enter service in 2030.
Original sector	Energy Storage
Budget

Location

Country	Norway
State	Western Norway
City	Luster

Source

Source	pv magazine International
URL

More Details

Record type	Project
Sector	Tunnel, Energy Storage, Water Supply and Storage, Power Generation (CCGT), Hydro, Solar
Article published date	2025-11-21

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Illvatn Pumped Hydro Project

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