Western Isles Generation Capacity Studies
Scottish and Southern Electricity Networks
SSEN Future Networks Team
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Innovation Funding Incentive
There may be a need for network reinforcement on the islands of Lewis and Harris stemming from a requirement to provide improved voltage regulation as a result of potential additional renewable generation schemes on the islands. As indicated by network studies, this may need to take the form of distribution connected, fast acting voltage / reactive response devices. SHETL’s initial studies confirm the existing voltage regulation on the 33/ 132kV tap-changers at Ardmore, Harris and Stornoway are inadequate and too slow to support the output changes associated with additional connected generation capacity.
Assess the capability of the existing Western Isles link and identify any potential enhancements to accept additional renewable generation capacity.