ESB headquarters on Fitzwilliam Street, Dublin. Photograph: Cyril Byrne

Changes introduced since 2000 mean the ESB is no longer a State-owned monopoly that generates electricity and supplies it to all households and busine(...)

Viridian is a leading independent energy company in the all-Ireland market with two main brands, Energia in the Republic and Power NI north of the border

Energy group Viridian’s new owner may use the Irish company to buy similar businesses in Britain, according to one of its partners. Specialist invest(...)

NTR said the debt facility was secured with Ulster Bank

Irish investment group NTR has closed a £16.8 million (€21.5m) project finance debt facility to finance the construction of a wind farm in Co Fermanag(...)

Head of business energy at SSE Airtricity Stephen Gallagher (left) with Aviva Stadium director Martin Murphy.

The Aviva Stadium is going green. Under a new deal with SSE Airtricity, the arena’s power supply is to come solely from renewable energy sources. By (...)

Viridian’s  372-tonne gas turbine generator at its power plant in Huntstown,  north Dublin

The owners of Bord Gáis Energy and Airtricity are thought to be in the race to buy their rival Viridian after submitting first-round offers for the b(...)

Coillte owns the land on which the wind farm is being built, while SSE will construct and operate it

Airtricity owner SSE and State forestry company Coillte have raised €176 million from three banks to fund the second phase of what will be the State’s(...)

Jason Killeen: his availability will further strengthen unbeaten league leaders Templeogue. Photograph: Cathal Noonan/Inpho

Jason Killeen is expected to feature for Templeogue for the first time this season in the Men’s Premier League on Sunday. The league leaders are unbea(...)

 Minister for the Environment  Alan Kelly receiving the climate change pledges from  Aebhric McGibney,  Dublin Chamber of Commerce; Pat Barry, Irish Green Building Council; Brian O’Kennedy,  CDP Ireland; Aideen O’Hara,  ISI; and Lorraine Fitzgerald,  Business in the Community Ireland

Business leaders in Ireland have come together to urge politicians attending the COP21 global summit in Paris to reach a robust agreement on climate c(...)

COP21: Ireland has the advantage of exploiting renewable energy and not producing fossil fuels. Photograph: John Giles/PA Wire

There are no jobs on a dead planet. David Begg, former general secretary of the Irish Congress of Trade Unions summarised things neatly when (...)

Mainstream Renewable Power wona  20-year mandate to feed the power from the wind farms into Chile’s regulated electricity market from 2017. Photograph: Sergio Perez/Reuters

A Chilean renewable energy joint venture involving Eddie O’Connor’s Mainstream Renewable Power (MRP) will invest $600 million (€544 million) in new wi(...)