Deals Counterparts

Boralex acquires 59 MW of onshore wind developments in UK from Marubeni and Infinergy

Acquisition Onshore Wind announced UK Mar 19, 2026
58 MW
Capacity
development
Stage
Upper Ogmore Wind Farm, Tom na Clach Extension
Project

Boralex acquired two onshore wind project developments in the UK with a combined capacity of 59 MW, strengthening its renewable energy portfolio. The acquisition includes the 25 MW Upper Ogmore Wind Farm in South Wales and a 75% majority stake in the 34 MW Tom na Clach Extension in the Scottish Highlands. Upper Ogmore, previously owned by Marubeni, secured a 20-year Contract for Difference in Allocation Round 7 and is expected to connect to the grid in 2029. The Tom na Clach Extension, developed by Infinergy with Colin Cawdor retaining a minority stake, was consented in May 2024 and targets commercial operation around 2030. This strategic move supports the transition to a low-carbon energy system and aims to deliver reliable, affordable clean energy while creating economic opportunities for local communities.

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Deal Analysis

Boralex acquired two onshore wind project developments in the UK with a combined capacity of 59 MW from Marubeni Corporation and Infinergy. Marubeni, a Japanese trading and investment conglomerate, previously owned the 25 MW Upper Ogmore Wind Farm in South Wales, which secured a 20-year Contract for Difference in Allocation Round 7. Infinergy developed the 34 MW Tom na Clach Extension in the Scottish Highlands, where Colin Cawdor, a London-based infrastructure investment firm with $1.2 billion AUM, retains a minority stake. The Upper Ogmore project is expected to connect to the grid in 2029, while the Tom na Clach Extension received consent in May 2024 and targets commercial operation around 2030.
  • 59 MW total capacity: 25 MW Upper Ogmore Wind Farm and 34 MW Tom na Clach Extension
  • Upper Ogmore secured a 20-year Contract for Difference in Allocation Round 7
  • Tom na Clach Extension consented in May 2024; commercial operation expected around 2030
  • Marubeni and Infinergy sold assets; Colin Cawdor retains minority stake in Tom na Clach
  • Deal announced on March 19, 2026

Source Intelligence

KEY DETAILS

The acquisition includes the 25 MW Upper Ogmore Wind Farm in South Wales and a 75% majority stake in the 34 MW Tom na Clach Extension in the Scottish Highlands. Upper Ogmore secured a 20-year Contract for Difference in Allocation Round 7 and is expected to connect to the grid in 2029. The Tom na Clach Extension was consented in May 2024 and targets commercial operation around 2030.

Capacity
Boralex has acquired two onshore wind project developments in the UK with a combined capacity of more than 58 MW.
Location
Boralex has acquired two onshore wind project developments in the UK with a combined capacity of more than 58 MW. The acquisition includes the 25 MW Upper Ogmore Wind Farm in South Wales and a 75% majority stake in the 34 MW Tom na Clach Extension in the Scottish Highlands.
PPA Details
Upper Ogmore, previously owned by Marubeni, secured a 20-year Contract for Difference in Allocation Round 7 and is expected to connect to the grid in 2029.
Announcement
By CEP Staff • 19 March 2026 in News
COD
targets commercial operation around 2030
PARTIES MENTIONED IN SOURCE
B
Boralex buyer

"Boralex has acquired two onshore wind project developments in the UK with a combined capacity of more than 58 MW."

M
Marubeni seller

"Upper Ogmore, previously owned by Marubeni, secured a 20-year Contract for Difference in Allocation Round 7 and is expected to connect to the grid in 2029."

I
Infinergy seller

"The Tom na Clach Extension, developed by Infinergy with Colin Cawdor retaining a minority stake, was consented in May 2024 and targets commercial operation around 2030."

C
Colin Cawdor developer

"The Tom na Clach Extension, developed by Infinergy with Colin Cawdor retaining a minority stake, was consented in May 2024 and targets commercial operation around 2030."

high quality Enriched Mar 20, 2026

Timeline

Announced
Mar 19, 2026
Signed
Closed

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