Our Track Record

Since Mainstream was founded in 2008 we have grown significantly to become a global renewable energy company with a presence in 4 continents. We have a strong track record for delivering wind and solar generation assets at scale across global markets.

6.5 GW delivered to financial close-ready

Mainstream has delivered 6.5 GW of assets to financial close-ready across onshore wind, solar and offshore wind technologies in nine countries, and in doing so has raised over EUR 3 billion in project finance.

Track Record

  • Mainstream founded by Dr. Eddie O’Connor
  • Total capital raised from Barclays, retail investors and employees – €72 million
  • Mainstream enters Chilean market
  • Retail investor funding round closes with €57 million raised
  • Won auction for 110 MW Shady Oaks wind farm in the US
  • JV between Mainstream & Siemens Project Ventures awarded development rights for 4,000 MW offshore Hornsea Zone in the UK
  • Retail investor funding round closes with €17 million raised
  • Macquarie provided €40 million corporate facility
  • Marubeni Corporation invested €50 million in Mainstream
  • IKEA purchased the Carrickeeny (Ireland) and Old Man (Canada) wind farms from Mainstream
  • First three assets in South Africa reach commercial operation; Jeffreys bay wind farm, De Aar and Droogfontein solar farms.
  • Consent granted for Neart na Gaoithe (Scotland) and Hornsea (England) offshore wind farms
  • Mainstream’s first Chilean asset reached commercial operation; the 33 MW Negrete Cuel wind farm
  • Noupoort wind farm in South Africa (80MW) reached commerical operation
  • Mainstream won 27% of the Chilean electricity auction (1,300 MW)​
  • Consortium of investors including Rockefeller Brothers Fund and IFC invest in Lekela Power​
  • The Condor portfolio of projects (three wind and one solar) in Chile, starts construction (part of Andes Renovables platform)
  • Increased trade finance facility up to €200 million
  • The first 200 MW of the Soc Trang offshore wind farm in Vietnam is included in the government’s Power Development Plan VII
  • The 630 MW Huemul portfolio, part of the Andes Renovables platform, reached financial close
  • 12MW Raragh wind farm I Ireland sold to Blackrock Investment Management
  • Mainstream closed $280m construction finance facility
  • Aker Horizons acquires 75% of Mainstream
  • Launched the 1 GW Nazca Renovables platform in Chile
  • Completed planned divestment of Chilean JV Aela Energia.
  • Mitsui joins as a long-term strategic investor, acquiring a 27.5% equity stake
  • Mainstream and Aker Offshore Wind combine to create global frontrunner in offshore wind
  • Mainstream and partner Ocean Winds win 1.8GW floating offshore wind site through ScotWind licensing round in the UK
  • Mainstream sells Lekala Power, the African continent’s largest pureplay renewable energy independent power producer (IPP) with over 1 GW of fully operational wind assets

2008

2009

2010

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

SOLD PROJECTS

Next up

Three team members sitting and talking together in an office - vision mission values Mainstream Renewable Power

Our vision, mission and values

Learn more