Low Carbon Energy

In the private equity sector the Southgate Group is focused on the low carbon energy sector and holds positions at both the Corporate and Project level in Ireland, the UK , France & North America.

Investments include:

Amarenco Solar Ireland

Investment date : 2014

Joint venture with Amarenco Solar ( www.amarencosolar.com ) to develop ground mounted solar photovoltaic plants in Ireland.

Established in 2014, the company is initially developing 50 MW of consented and grid connected solar PV plants in the south of the country. Ireland is one of the only European countries not to have a solar PV industry – the UK by comparison has over 4GW of installations. In Q2 2015 Macquarie Capital took a 50{ed3687e580b2bf832ea59ca4072faba3f881a82a4beaadcf6f1c41b7e222ddcc} stake in the company in return for providing development and working capital.



Mainstream Renewable Power

Offshore & Onshore Wind Farm developer with a c 16.5 GW development pipeline

Status : Development consenting/construction & operation

Investment date: 2012

Mainstream is a global offshore and onshore Wind development company operating in Europe, South America, Canada, and South Africa. In Europe, the Company is primarily focused on developing a major North Sea concesssion in partnership with Siemens for the supply of offshore wind power to the UK . As of 2015  , the first phase ( some 2 GW ) of this project has been consented pre-sold to Dong Energy. The next phase , for a further 2GW, is in the planning process with a DCO anticipated early in 2016. 

Mainstream has also received final development consent as well as a crucial contract for difference (CFD) for it’s Scottish offshore project , with a capacity of 450 MW. It is now in the process of securing development funding for this with completion expected by 2020. 




Realised investments:


Ferrassieres Energy


In 2010 Southgate co-invested alongside Oyster Investments directly in two utility scale photovoltaic (PV) power plants in Southern France. The plants have a total capacity of 3 MWp and were developed and are operated by International Energy Investments Group. We exited this investment in 2012 by way of a sale of the assets to a co-investor.

Ferrassieres Energy >>


SWS Energy


SWS was established in 2001 to focus on renewable energy concentrating on Wind Energy, Biomass WTE and Forestry. In 2009 SWS National Resources was acquired by Bord Gais for over €500million. We co-invested in SWS along with Ion Equity as part of a private equity placing equity placing in 2008 and exited on sale of the company to Bord Gais Eireann.

SWS National Resources >>