This month, Olsson proudly completed a Station Service Transformer Replacement project for the Little Goose Lock and Dam, located in Starbuck, Washington. The two-year long, hydro-electric project was completed on behalf of the U.S. Army Corps of Engineers.

Valued at $3.5 million, Olsson’s integrated construction and engineering teams supplied and installed two new three-phase, oil-filled, Class I station service power transformers rated at 3.75 MVA, 13.8 kV-4.16 kV. In addition, the Olsson team replaced feeder cables, non-segregated bus sections, vault containment doors, and provided much-needed switchgear interlock upgrades.

Across all divisions — construction, engineering and controls — Olsson strives to produce superior quality results, while adhering to strict timelines and budgets.

To learn more about the scope of our capabilities and projects, visit

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