Ireland Proposes Discounted Gas for Data Centers in Exchange for Curtailment Risk

Ireland's Commission for Regulation of Utilities (CRU) has floated a plan to offer new data centers reduced-price gas connections, provided they accept the possibility of planned supply interruptions during periods of peak national demand. The proposal, first reported by the Irish Times, is designed to ease mounting pressure on the country's gas network as data center development accelerates.

The regulator's analysis warns that continued data center growth could severely strain Ireland's ability to secure sufficient gas to meet national demand during severe cold weather events. According to CRU findings, 17 planned data centers seeking gas connections would collectively consume an amount equivalent to six 500MW combined cycle gas turbine power plants. This scale of demand, the regulator argues, poses a significant challenge to the reliability of the country's energy infrastructure.

Under the proposed framework, new data centers would receive a tariff discount in exchange for agreeing to curtail their gas usage when national demand spikes. During such periods, facilities would be required to temporarily power down, delay energy-intensive operations, or switch to alternative fuel sources—most likely on-site backup diesel generators. The specific discount rate has not been disclosed.

The CRU has explicitly ruled out extending similar interruptible arrangements to power generators, stating that doing so "would transfer an unacceptable level of security of supply risk from the gas system to the electricity system." In contrast, the regulator noted that data centers could build operational flexibility into their processes to absorb interruptions without compromising grid stability.

The proposal has been submitted for public consultation and is currently under review. It follows a previous moratorium on new data center electricity grid connections in the Dublin area, which was lifted on the condition that facilities provide their own power—likely through on-site gas generation in the interim before renewable supply becomes available.

The plan has drawn criticism from political figures, including Sinn Féin MEP Lynn Boylan, who characterized it as a series of "workarounds" rather than a genuine moratorium on data center gas connections. Her remarks reflect broader concerns about the environmental and infrastructural impact of the sector's rapid expansion.

Data centers are already among the largest consumers on Ireland's national grid. According to reports published in July, data centers consumed 23 percent of the country's total metered electricity during 2025. Data from the Central Statistics Office (CSO) shows that data centers used 7,663GWh of power during the year, a ten percent increase from 6,973GWh the previous year.

In January, the Irish government outlined plans to support the colocation of data centers with renewable energy infrastructure as part of broader grid resilience efforts. Those plans focus on the most energy-intensive industrial sectors after 2030, including data centers, with designated sites expected to reach hundreds of megawatts of capacity.

The CRU's proposal underscores a growing tension in Ireland between attracting digital infrastructure investment and maintaining energy security. As consultation continues, the outcome will likely set a precedent for how other European nations balance data center growth with grid and gas network constraints.