National Grid plans two new substations
400 kV air-insulated substations has been proposed at Weston Marsh to connect offshore wind, solar and storage projects to the expanding UK network.
Image for illustrative purposes
UK, England, Lincolnshire: National Grid has published its final proposals for two new electricity substations at Weston Marsh, designed to support major new grid connections and meet rising energy demand.
The first facility, Weston Marsh Substation A, would be a 400 kV air-insulated substation that will connect the Outer Dowsing Offshore Wind Farm and later form part of the proposed Walpole to Grimsby transmission route. Substation A will cover around 10.6 ha, with the tallest equipment reaching 12.5 m and gantries up to 15 m high. Construction is planned in two phases, beginning as early as 2028, with completion expected in 2030.
The second facility, Weston Marsh Substation B, will cover 8.4 ha, it is slightly smaller but would include connection points for solar, battery storage and other energy projects, supporting the proposed East Leicestershire overhead line.
National Grid says both chosen sites avoid major constraints such as a gas pipeline and pumping station, and will include extensive planting and landscaping to reduce visual impact.
The company states the substations are essential as electricity demand in the UK and in Lincolnshire is expected to double by 2050, exceeding the capacity of the current network.
Source: Spalding Voice
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