Renewable Energy

Critical mass

Critical Mass
Thermal mass can significantly influence a building’s space heating requirement – in some cases the effect is to increase it, and in others to reduce it. Leading energy consultant Ciaran King of Emerald Energy explains how this occurs, and by describing an assessment of the topic, provides some rules of thumb regarding when thermal mass may be beneficial, and when it may be detrimental.

Occupied Territory

John Hearne explains how truly low energy buildings can succeed or fail depending on how they engage with their occupants.
John Hearne explains how truly low energy buildings can succeed or fail depending on how they engage with their occupants.

Opinion

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Semi-state business Bord Gáis have placed green innovation at the centre of their business strategy. As CEO John Mullins reveals, pay as you save and renewable energy will shape the company’s future.

How low can we go?

As our recognition of the problems of dwindling fossil fuel supplies and climate change grows, the need to reduce the energy consumption and carbon emissions of our homes becomes increasingly apparent. Leading energy consultant Patrick Waterfield describes why and how we should switch to zero heating homes.
As our recognition of the problems of dwindling fossil fuel supplies and climate change grows, the need to reduce the energy consumption and carbon emissions of our homes becomes increasingly apparent. Leading energy consultant Patrick Waterfield describes why and how we should switch to zero heating homes.

Papered Over

Richard Douthwaite reveals that oil and gas peak are barely mentioned in the Government's recent energy Green Paper.
Richard Douthwaite reveals that oil and gas peak are barely mentioned in the Government's recent energy Green Paper.

21st century fox

Detached home gets passive house makeover in Foxrock
Government incentives are crucial to sparking a massive energy upgrade of our housing stock, but practical examples are just as important. Keen to push his home's energy performance to the limits, one Dublin homeowner overhauled his entire building fabric and installed renewable heating systems and heat recovery ventilation. Lenny Antonelli visited the house.

Energise Clonakilty

An ambitious new community initiative aims to run Clonakilty on 100% renewable energy — and with similar projects sprouting up across Ireland and Europe, it offers one local example of how our Energise Ireland campaign can achieve its primary goal: weaning Ireland off fossil fuels and on to green energy.

Heat of the Moment

Heating Technologies Explained
John Hearne spoke to a number of independent energy experts to develop an impartial view of the main sustainable heating options.

For peat's sake

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Up till now, the activities of semi-state energy companies like Bord na Móna, ESB & Bord Gais have not won the favour of environmentalists. Richard Douthwaite explains how that situation is destined to rapidly change, and exclusively reveals details of the ambitious new green direction being adopted by Bord na Móna.

Super powers

Super Powers
The development of sustainable building in Ireland has had to wait for the public to become concerned about energy supply, climate change, and the implications of living in draughty, damp buildings.  Much of the established low energy know-how emanates from countries where cold winters drove innovation. Drawing from 50 years of research and development between the Canadian government and housing industry, the Super E programme may be just what Ireland needs, as John Hearne discovered at a new development in Rosslare.