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 25199250.

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

This Taiyo project page references ESS News along with the original URL (https://www.ess-news.com/2025/11/18/hydro-approves-largest-hydropower-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, Vestland, Norway

Source: ESS News

Project

Planned

Norsk Hydro will build the Illvatn pumped-storage power plant in Luster, western Norway. The project includes constructing an 8 km tunnel connecting the lower reservoir Fivlemyrane to the Illvatn reservoir, lowering permitted water levels to increase reservoir capacity, and building a new pumped storage power plant. It will add 107 GWh of annual energy production and increase flexibility at Hydro'

Status: Prospective
Sector: Tunnel, Steel, Water Supply and Storage, Commercial, Power Generation (CCGT), Metal, Hydro
Location: Luster, Vestland, Norway
Updated: 22 Jul 2026
Source: ESS News

ConstructChat

Ask ConstructChat about Illvatn Pumped Hydro Project

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information

4 Q

The project “Illvatn Pumped Hydro Project” is an infrastructure initiative in the Tunnel sector, located in Luster, Vestland, Norway. Taiyo aggregates data on it from ESS News.

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 will build the Illvatn pumped-storage power plant in Luster, western Norway. The project includes constructing an 8 km tunnel connecting the lower reservoir Fivlemyrane to the Illvatn reservoir, lowering permitted water levels to increase reservoir capacity, and building a new pumped storage power plant. It will add 107 GWh of annual energy production and increase flexibility at Hydro's Fortun power operations. The project also includes building 13 km of transmission lines using aluminum lattice towers.
Original sector	Energy
Budget

Location

Country	Norway
State	Vestland
City	Luster

Source

Source	ESS News
URL

More Details

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

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

Every detail on this project
News and media coverage
Technical research

View all details

Free account · no card · lands you back on this project

Illvatn Pumped Hydro Project

Ask ConstructChat about Illvatn Pumped Hydro Project

Project Information FAQ

Project Information

Research

View all details

More Tunnel projects in Norway