Mary Quaney, CEO of Mainstream Renewable Power
Mainstream targets energy major status by 2030
New ownership positions renewables project developer for transition to long-term asset owner and operator
Ireland-based Mainstream Renewable Power plans to scale up its portfolio of assets “very quickly” as it aims to transition from project developer to global renewable energy major by the end of the decade, group CEO Mary Quaney tells Transition Economist. The growth strategy comes after Mainstream, which was formed in 2008, completed a change of ownership last year that gave Norway’s Aker Horizons a 75pc share, with Japan’s Mitsui also coming in as a strategic investor alongside Aker earlier this year. “The ambition to grow the portfolio of assets that we have today is very significant,” Quaney says. “But we have the track record to do it. And now with our shareholders, Aker Horizons and Mit
Also in this section
14 May 2025
Deal with Calpine shows oil and gas major ExxonMobil has no intention of curbing its CCS ambitions, despite US policy risks and broader scepticism over the energy transition
13 May 2025
Volatile tariffs add new risks for a sector already struggling to achieve economies of scale
30 April 2025
State administrations are using a flawed metric to justify green energy projects
29 April 2025
Spain’s unprecedented blackout highlighted the risk for green hydrogen producers with exposure to Europe’s creaking power grids
