en.Wedoany.com Reported - Tutor Perini Corporation announced on June 11 that it has received a $651.8 million task order from the Naval Facilities Engineering Systems Command (NAVFAC) to convert overhead distribution feeders at the Guam Naval Base to an underground system.
The project aims to enhance the resilience and reliability of the base's power infrastructure by replacing primary and secondary overhead distribution feeders with underground circuit conductors installed in concrete-encased duct banks. The scope also includes upgrading substations, communication systems, and grid control equipment supporting power services for multiple naval facilities on Guam.
Construction is expected to begin in April 2027, with the design phase scheduled to start in August, and substantial completion targeted for June 2031. Tutor Perini will execute the work through a joint venture with its Guam subsidiary, Black Construction Corp., a long-standing contractor on the island.
Federal procurement records indicate that planning and design work related to the project has been underway since at least 2023, and this construction award marks the project's transition into the implementation phase.
The project scope extends beyond feeder replacement to include upgrades to four substations, communication infrastructure, and electrical control systems. Work involves integration with the Guam Power Authority's Supervisory Control and Data Acquisition (SCADA) system, installation of eight remote terminal units, and new protection equipment, all aimed at improving overall facility reliability.
According to a previous NAVFAC contract description, the project will provide power service support for the Guam Naval Base, Polaris Point, and the Guam Naval Ammunition Depot.
This contract award comes amid ongoing military construction activities on Guam, as the Department of Defense invests in facilities, utilities, and supporting infrastructure in line with force posture plans to relocate more military assets and personnel to the Indo-Pacific region.
Given Guam's exposure to severe weather threats, including typhoons, power system hardening projects have become an increasing focus in the region. Federal procurement information shows that by replacing overhead distribution infrastructure with underground systems and modernizing associated control, communication, and protection equipment, the project aims to reduce vulnerability to storm damage while improving power reliability for critical mission facilities.
Tutor Perini stated that the contract value will be added to the company's backlog in the second quarter of 2026.
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