Electrical Engineering
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National Grid’s Thames electricity tunnel has reached its halfway point. Tunnel boring machine Caroline has excavated more than 1.1km beneath the river as the Grain to Tilbury reinforcement advances.
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European AI data centres are moving farther from major cities. Grid availability, connection speed, and powered-land costs are increasingly determining where hyperscale computing infrastructure can be delivered.
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Cummins will supply battery storage for a major data centre. The project will use BESS to manage AI-driven load fluctuations, reduce oscillations, and improve ride-through performance at the utility interconnection.
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Foresight Solar is upgrading nine ageing UK photovoltaic sites nationwide. The 150MW-plus programme will replace panels and inverters, with annual generation expected to increase by as much as 14GWh.
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Harmony Energy has energised its Skeeby battery storage project successfully. The 35MW/70MWh North Yorkshire system uses Tesla Megapacks and has moved into live commissioning ahead of full commercial operation.
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Jones Bros will deliver Carno 3 wind farm infrastructure works. The £46.5 million package includes a new substation, turbine foundations, and 20km of cable reinforcing the mid-Wales 132kV network.
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Siemens Energy is advancing switching technology for multi-terminal HVDC networks. Its Mitsubishi Electric collaboration targets fault isolation, flexible power routing, and the equipment architecture needed for Europe’s emerging meshed DC grids.
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Nigeria has commissioned two 100MVA transformers at Lagos’s Ijora substation. The upgrade raises installed capacity to 230MVA as the government pursues a 6,000MW wheeling target and 20 further transmission commissions by year-end.
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Cameroon has opened tenders for new Chad interconnector infrastructure works. The procurement covers 225kV transmission lines and substations forming part of the long-running PIRECT cross-border electricity programme.
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Hitachi Energy is investing $300 million in Chinese grid manufacturing. The Hefei programme adds power transformer production, ultra-high-voltage bushing capacity, and a digital tap-changer line within the company’s wider $9bn expansion plan.