Opinion: Energy-guzzling data centres are being prioritised over family needs - Kilkenny senator

​A UN report published recently described Ireland’s treatment of data centres as a ‘cautionary tale’ because of the severe demand being placed on our energy systems.

Data centres now account for around 22% of electricity demand in Ireland. Their consumption continues to rise, placing further pressure on the grid while households face some of the highest energy costs in Europe.

This is incredibly alarming from an energy security perspective, and it’s directly hitting the pockets of households throughout Ireland. Due to the high demand from data centres, normal customers are effectively subsidising their usage through skyrocketing energy costs. Hundreds of euros are being added to our electricity bills every year because of this trend.

Paying higher costs

It is an appalling situation that Irish consumers, both residents and businesses, are paying higher electricity costs as a direct consequence of data centres owned by highly profitable multinationals.

The first question we have to ask is: why are households asked to bear the burden of multinational companies with net worths greater than that of many states, all while the cost of living crisis rumbles on?

The idea that the Government wants to welcome further data centre expansion is seriously concerning given how much of our energy supply they already absorb – we’re complete outliers in Europe, where the average energy that data centres consume from their national grids is only 3%.

Secondly, what is the Government doing to insulate Irish households from the soaring energy costs resulting from their data centre policy?

As Fianna Fáil and Fine Gael lay out the red carpet for data centres, the global energy crisis worsens. Recent years have been marked by the wars in Ukraine and Iran, which both highlighted the risks of our heavy reliance on fossil fuels. Rising household bills, global instability, and ongoing conflicts have exposed just how vulnerable we remain to external shocks.

The current situation is that the burden of energy costs is falling onto those who can least afford it, as struggling households find themselves subsiding large multinationals.

This reality demands urgent action. If we’re serious about energy security, and indeed climate change, we need to radically change our policy on data centres and ramp up the roll out of renewable energy.

Currently, there are half a million energy accounts in arrears, a staggering figure. Households are struggling with energy costs, coupled with rising rents, mortgage repayments, and the increasing cost of everyday essentials. Energy policies that do not provide meaningful supports risk undermining public confidence in the climate transition we need to make.

A just transition means recognising that lower and middle-income households often have the least capacity to invest in energy upgrades, insulation, heat pumps, and solar panels, despite standing to benefit the most from lower energy costs. Climate action cannot become something available only to those with greater financial means.

This is where the Social Democrats' Solar for All proposal offers a practical and fair solution. Rather than limiting the benefits of renewable energy to those who can afford large upfront investments, Ireland should actively support households, businesses and communities to generate their own clean electricity. It should be an opportunity made available to everyone.

Expanding access to rooftop solar and battery storage, already common in Germany and being introduced imminently in the UK, would reduce dependence on imported fuels, lower household energy bills, strengthen local energy resilience, and help reduce emissions. I believe it is one of the clearest examples of a policy that delivers both environmental and economic benefits.

Energy security is about ensuring that people can heat their homes, cook their meals, and live with dignity regardless of what happens in global energy markets.

It is about reducing Ireland's exposure to international price shocks while building a cleaner and more resilient energy system.

We can only meaningfully do that if we invest in renewable energy, electricity grid upgrades, home retrofitting, and, crucially, by putting a moratorium on the development of data centres in Ireland.

A fair transition can strengthen our energy independence, lower bills, and reduce emissions. An unfair one risks leaving people behind, which is what we see today.