About Us

We know that we are facing one of the most crucial periods in the history of our planet.

We know that a sustainable future is no longer a choice. It’s an obligation.

And we know it is the countries and companies who can meet this challenge with innovation and imagination that will lead the way forward.

Our vision is of a future where economies can thrive, free from the restrictions of fossil fuels.

And we have the passion, the expertise and the resources to help make that vision a reality.

Our core business is the development, construction and operation of wind and solar energy plant.

But it is our approach that sets us apart. Our vision. Our passion. Our entrepreneurial spirit. And, most of all, our commitment to partnership.

We work closely with governments, development partners and investors. And while every project is different, our goal is always the same.

To deliver a successful business that accelerates global progress towards a sustainable future.

Mainstream was founded in 2008 by Dr. Eddie O’Connor and Fintan Whelan, the former CEO and Corporate Finance Manager of Airtricity.

Since February 2008 Mainstream has:

• Set up offices in Berlin, Chicago, Cape Town, Dublin, Glasgow, London, Santiago and Toronto.
• Identified and recruited some of the most talented and experienced teams in the industry.
• Established its board to include chairman, Fintan Drury, Sir Roy Gardner, former head of Centrica, Brendan Halligan of Sustainable Energy Ireland and Mark Brown of Barclays Capital.
• Raised €72 million in equity including €20 million from Barclays Capital in return for a 14.6% stake in the company.
• Identified potential partners in key markets.
• Raised €26 million in corporate mezzanine debt by private placement with Dolmen Stockbrokers.
• Announced the acquisition of a portfolio of wind farm projects in the State of Illinois (U.S.) with a potential capacity of 787MW.