Mainstream searching for investor funds for expansion

Mainstream Renewable Power, the global wind and solar energy company run by former Airtricity chief Eddie O'Connor, is beginning to look to traditional investors for new capital, tapping pension funds and insurance companies for downstream investment to pay for the construction and operation of its electricity projects.

The six-year-old firm, which is building a 19-gigawatt development pipeline, has set up a separate unit, Mainstream Capital, to raise money from large infrastructure funds and ...