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ZBA grants National Grid permits to replace LNG tank and allows height variance capped at 100 feet

Yarmouth Zoning Board of Appeals · April 10, 2026
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Summary

The Yarmouth Zoning Board approved National Grid's special permit to replace an existing LNG storage tank with a double‑containment tank and granted a variance to exceed the 35‑foot height limit, imposing a cap of 100 feet; the company said the replacement is driven by asset condition assessments and safety/regulatory needs.

National Grid officials presented plans to replace an aging LNG storage tank used for winter peak service and reliability for Cape Cod customers. Mark Riley, assistant general counsel, explained the existing tank (built in 1973 and partly below grade) must be replaced after recent asset‑condition findings and manufacturer recommendations. The proposed replacement is a full (double) containment tank constructed at grade, with a narrower but taller profile and reduced…

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