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Imatran Seudun Sähkönsiirto Oy
OY
Active
Y-tunnus 1864298-4
Karhumäenkatu 2, 55120
Imatra
Transmission of electricity
· NACE 3513
Est. 2003
7 employees
www.issoy.fi
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Imatran Seudun Sähkönsiirto Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
HS
Heikki Sulo Johannes Lappalainen
Chief Executive Officer
Chief Executive Officer
2023
Former (10)
TE
Tero Eero Kalevi Karjola
Confidential Clerk
Confidential Clerk
2016 – 2020
KM
Kaija Marita Pakkanen
Audit
Audit
2017 – 2019
AJ
Ari Jaakko Olavi Saukkonen
Chief Executive Officer
Chief Executive Officer
2014 – 2023
PK
Pauliina Katariina Koivisto
Deputy auditor
Deputy auditor
2021 – 2024
MS
Mia Susanna Svensk
Audit
Audit
2019 – 2024
TA
Teija Anneli Sutinen
Deputy auditor
Deputy auditor
2019 – 2021
TM
Tuovi Maria Litmanen-Tuomi
Confidential Clerk
Confidential Clerk
2016 – 2020
NH
Niina Heidi Johanna Sinkko
Audit
Audit
2017 – 2019
SJ
Saija Johanna Laurila
Audit
Audit
2020 – 2024
EE
Erno Erkki Ilmari Alho
Audit
Audit
2019 – 2020
Board of directors
Non-executive oversight
Name
Role
Member since
Current (6)
PM
Pekka Mikael Kärkäs
Board of Directors
2024
JP
Jukka-Pekka Pekonen
Board of Directors
2014
JB
Jukka-Pekka Bergman
Board of Directors
2024
KO
Kari Olavi Koivuranta
Board of Directors
2014
VI
Visa Ilari Välimäki
Chairperson
2014
OV
Onni Veikko Johannes Hietalahti
Board of Directors
2014
Former (2)
TT
Tuomo Tapani Sallinen
Board of Directors
2019 – 2021
RL
Risto Lassi Nevalainen
Board of Directors
2014 – 2019
Shareholders
As of last annual report
Shareholder
Type
Ownership
Votes
Since
Imatran Seudun Sähkö Oy
Company
100%
100%
2023
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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