Tagged

substations

5 articles

September 20, 2026 6 min read

GIS vs Air Insulated Substation: When the Site Decides

Ameren's Goalby substation shows the real GIS vs air insulated substation test: not whether the lot is small, but whether site cost scales with area.

gas insulated switchgearsubstationsAmeren Illinois

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September 18, 2026 5 min read

SRP Marigold Energy Center: What the Substation Scope Shows

SRP approved Marigold on Sept. 14. What the SRP Marigold Energy Center substation scope discloses, and what the ACC siting hearing does not cover.

SRPpublic powersubstations

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September 10, 2026 8 min read

Virginia Makes Data Centers Pay for Their Own Substations

Virginia's SCC ordered a mandatory CIAC so large loads fund the substations built to serve them. What Case PUR-2026-00056 changes for equipment buyers.

virginiadominiondata-centers

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July 9, 2026 6 min read

Modular Substations: The Data Center Lead-Time Lever

Modular substation packages cut data center interconnection schedules 30 to 50 percent, yet the transformer stays a 52 to 80 week gate. How co-op and muni buyers should spec them.

substationsmodular substationdata centers

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June 9, 2026 4 min read

Data Center Substation Design Is a Procurement Decision

Data center substation design now decides the bill of materials. Footprint, schedule, and storage choices are reshaping what utilities buy and when they buy it.

substationsdata centersgas-insulated switchgear

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