Articles written by Blathnaid O’Dea

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Feeding Europe’s AI energy demand On one hand, European policymakers are aiming for climate neutrality by 2050. On the other, they’re aiming to at least triple the region’s data center market by the mid-2030s to conserve European digital sovereignty and economic competitiveness. Is it possible to do both? Not without demand-side flexibility, cross-border electricity trading, and smarter integration of renewable energy assets.
Blathnaid O’Dea
Jun 24, 2026
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Airengy, Hagag Europe to build 5 GWh compressed-air energy storage plant in Romania Hagag Europe and Airengy’s Romania project will harness the latter’s long duration energy storage AirBattery technology with underground salt caverns to eventually reach 5 GWh storage capacity. Airengy told ESS News commercial operation is likely to begin in early 2028.
Blathnaid O’Dea
Jun 15, 2026
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Renewables-powered data centers feasible with sevenfold solar and wind overbuild, study finds A LUT University study finds that data centers could be powered continuously by intermittent renewables like wind and solar when paired with backup generation and demand-side flexibility. However, achieving firm supply would require major overbuild, significant curtailment, and careful siting to keep costs competitive with other baseload sources.
Blathnaid O’Dea
Jun 12, 2026
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Heat pumps cheaper to operate than gas boilers in almost all EU countries, IEA claims Heat pumps could offer annual energy savings up to €800 ($924) in the EU, according to the International Energy Agency (IEA). But deployment is very uneven in both residential and industrial settings, which the IEA attributes to market structures and policy design, which varies from country to country.
Blathnaid O’Dea
Jun 12, 2026
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US government restricts trade with prominent Chinese storage companies CATL, BYD, JA Solar, Trina Solar, Three Gorges and Huawei are among those listed under the US Department of Defense’s trade restriction, effective from 2027.
Blathnaid O’Dea
Jun 10, 2026
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Global grid capex to surpass $650 billion in 2026, says Rystad Energy Global transformer manufacturing capacity reached 4,700 gigavolt-amperes (GVA) in 2025, supported by around 400 plants operated by more than 260 manufacturers. These statistics are from a new report by Rystad illustrating the global energy market’s dependence on access to critical grid equipment.
Blathnaid O’Dea
Jun 06, 2026
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Siemens Energy buys Camlin Group, maker of transformer monitoring software The deal to acquire Northern Irish grid software specialist Camlin Group, which specializes in sensor-based transformer monitoring, follows Siemens Energy’s 2025 expansion of its transformer factory in Nuremberg, Germany.
Blathnaid O’Dea
Jun 05, 2026
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Dutch solar owners asked to switch off during peak periods to ease distribution crisis The Dutch market regulator is set to introduce new rules for grid connections starting 1 July which will see householders and business owners slip down the priority queue. Grid operators have been urging people to change their consumption and generation behaviors.
Blathnaid O’Dea
Jun 05, 2026
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Solar streetlights with AI could solve data center energy demand Putting Nvidia computer chips into solar-powered streetlamps to create a virtual power plant is a simple solution to the energy demand problems created by data centers, according to Edward Fitzpatrick. His company ConFlow Power Group is doing exactly that with its iLamp streetlamps, he told pv magazine.
Blathnaid O’Dea
Jun 04, 2026