Tom Flattum

Chairman, HALDENVASSDRAGETS BRUKSEIERFORENING

12 active roles

Tom Flattum holds 12 active roles in Norwegian companies registered in Brønnøysundregistrene, including Chairman at HALDENVASSDRAGETS BRUKSEIERFORENING since 2025 and Chairman at NGK BORING AS since 2022. 10 earlier roles have ended, the most recent in 2026.

Overview

Active roles

directorships & management

Past roles

historical positions

Dissolved companies

Career timeline

2026 – now
Board of Directors, OPPLANDSKRAFT DA
2026 – now
Board of Directors, GLOMMENS OG LAAGENS BRUKSEIERFORENING
2025 – now
Chairman, HALDENVASSDRAGETS BRUKSEIERFORENING
2023 – 2024
Board of Directors, NEDRE VEST-TELEMARK BRUKSEIERFORENING
2022 – now
Chairman, NGK BORING AS
2022 – 2024
Chairman, ØVRE KVEMMA KRAFTVERK AS
2021 – now
Chairman, BOLIGSAMEIET LILLE FROGNER ALLÈ 3
2021 – 2023
Chairman, ODAL VINDKRAFTVERK AS
2021 – 2023
Chairman, ODAL VIND AS
2020 – now
Board of Directors, ØST-TELEMARKENS BRUKSEIERFORENING
2020 – now
Chairman, NGK UTBYGGING AS
2020 – 2026
Board of Directors, HALDENVASSDRAGETS KANALSELSKAP AS
2020 – 2021
Board of Directors, AKERSHUS ENERGI VARME AS
2019 – now
Board of Directors, ØVRE OTTA DA
2018 – now
Chairman, SKIENS BRUGSEIERFORENING
2008 – now
Chief Executive Officer, ØVRE HALLINGDAL KRAFTPRODUKSJON AS
2008 – now
Chief Executive Officer, LÅGEN OG ØVRE GLOMMA KRAFTPRODUKSJON AS
2008 – 2024
Chief Executive Officer, SKIEN KRAFTPRODUKSJON AS
2008 – 2024
Chief Executive Officer, AKERSHUS ENERGI VANNKRAFT AS
2008 – 2024
Chief Executive Officer, GLOMMA KRAFTPRODUKSJON AS
2008 – 2024
Chief Executive Officer, HALDEN KRAFTPRODUKSJON AS
2006 – now
Deputy Member, WILDENY INVEST AS

Personal details

Companies & roles

Active roles

12 positions

Company	Role	Period	Ownership	Status
HALDENVASSDRAGETS BRUKSEIERFORENING CVR 940190193	BoardChairman	Since 2025	—	Active
NGK BORING AS CVR 920539823	BoardChairman	Since 2022	—	Active
ØST-TELEMARKENS BRUKSEIERFORENING CVR 971034823	BoardBoard of Directors	Since 2020	—	Active
ØVRE HALLINGDAL KRAFTPRODUKSJON AS CVR 987287640	ManagementChief Executive Officer	Since 2008	—	Active
NGK UTBYGGING AS CVR 913841735	BoardChairman	Since 2020	—	Active
OPPLANDSKRAFT DA CVR 944237631	BoardBoard of Directors	Since 2026	—	Active
SKIENS BRUGSEIERFORENING CVR 975612791	BoardChairman	Since 2018	—	Active
BOLIGSAMEIET LILLE FROGNER ALLÈ 3 CVR 913521528	BoardChairman	Since 2021	—	Active
ØVRE OTTA DA CVR 987969059	BoardBoard of Directors	Since 2019	—	Active
LÅGEN OG ØVRE GLOMMA KRAFTPRODUKSJON AS CVR 987287527	ManagementChief Executive Officer	Since 2008	—	Active
GLOMMENS OG LAAGENS BRUKSEIERFORENING CVR 948591898	BoardBoard of Directors	Since 2026	—	Active
WILDENY INVEST AS CVR 989185446	OtherDeputy Member	Since 2006	—	Active

Historical roles

10 positions

Company	Role	Period	Ownership	Status
NEDRE VEST-TELEMARK BRUKSEIERFORENING CVR 927107392	BoardBoard of Directors	2023 – 2024	—	Active
ØVRE KVEMMA KRAFTVERK AS CVR 927640104	BoardChairman	2022 – 2024	—	Active
SKIEN KRAFTPRODUKSJON AS CVR 985316406	ManagementChief Executive Officer	2008 – 2024	—	Active
AKERSHUS ENERGI VANNKRAFT AS CVR 976542622	ManagementChief Executive Officer	2008 – 2024	—	Active
GLOMMA KRAFTPRODUKSJON AS CVR 987287608	ManagementChief Executive Officer	2008 – 2024	—	Active
HALDEN KRAFTPRODUKSJON AS CVR 887287562	ManagementChief Executive Officer	2008 – 2024	—	Active
ODAL VINDKRAFTVERK AS CVR 924824905	BoardChairman	2021 – 2023	—	Active
HALDENVASSDRAGETS KANALSELSKAP AS CVR 912266168	BoardBoard of Directors	2020 – 2026	—	Active
ODAL VIND AS CVR 926706829	BoardChairman	2021 – 2023	—	Active
AKERSHUS ENERGI VARME AS CVR 983701469	BoardBoard of Directors	2020 – 2021	—	Active

Network

Company network

Active roles

Tom Flattum

HALDENVASSDRAGETS BRUKSEIERFORENING

Chairman

NGK BORING AS

Chairman

ØST-TELEMARKENS BRUKSEIERFORENING

Board of Directors

ØVRE HALLINGDAL KRAFTPRODUKSJON AS

Chief Executive Officer

SKIENS BRUGSEIERFORENING

Chairman

BOLIGSAMEIET LILLE FROGNER ALLÈ 3

Chairman

ØVRE OTTA DA

Board of Directors

LÅGEN OG ØVRE GLOMMA KRAFTPRODUKSJON AS

Chief Executive Officer

GLOMMENS OG LAAGENS BRUKSEIERFORENING

Board of Directors

WILDENY INVEST AS

Deputy Member

Past companies

NEDRE VEST-TELEMARK BRUKSEIERFORENING ØVRE KVEMMA KRAFTVERK AS SKIEN KRAFTPRODUKSJON AS AKERSHUS ENERGI VANNKRAFT AS GLOMMA KRAFTPRODUKSJON AS HALDEN KRAFTPRODUKSJON AS ODAL VINDKRAFTVERK AS HALDENVASSDRAGETS KANALSELSKAP AS ODAL VIND AS AKERSHUS ENERGI VARME AS

Co-directors & shared companies

Person	Role	Shared companies	Profile
MK Morten Karlsen	Board of Directors	2companies	View profile
LJ Leif Jan Kvame	Board of Directors	1company	View profile
AE Anders Erik Lennart Hedin	Board of Directors	1company	View profile
RV Richard Volhovd	Board of Directors	1company	View profile
PT Pål Thorud	Chairman	1company	View profile

Is this you? About the data on this page

This profile is compiled automatically from Brønnøysundsregistrene, the official business register in Norway. Riskpilot is operated by Risika A/S, which is the data controller for this page. We don't add private information — only the roles and details the register itself publishes.

Because this is public register data, it can't be erased — corrections to the underlying record are made with the register, and we pick them up once they're published. You do have the right to object to how your details are shown here, and we can de-index this profile so it no longer appears in search engines such as Google.

To make a request, email privacy@risika.com with a link to this page. We respond within 30 days. Read more in our privacy policy.