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Published December 3, 2025 at 7:00 PM

Updated December 4, 2025

Site work for a military facility in Old San Juan, Puerto Rico. Conceptual plans call for site work for a military facility.

Construct an installation-level microgrid at Fort Buchanan using a Design/Bid/Build approach. The system will include twelve (12) continuous duty 570 KW diesel generators with 480V output, each stepped up to 13.2KV via step-up transformers. The project will incorporate a Battery Energy Storage System (BESS) of approximately 2.5MWh/4MW and nine (9) 12,000-gallon above-ground, ballistic-resistant diesel fuel tanks with a fuel polishing system to sustain critical operations for 14 days. A microgrid control system, paralleling system, transformers, circuit breakers, protective relaying, and fiber optic communication connections will be installed throughout Fort Buchanan. The microgrid will integrate existing onsite generation, including a 4.65 MW solar photovoltaic array and two 275 kW wind turbines. The scope includes all necessary site work, start-up commissioning, completion of interconnection agreements, security assessment and authorization, and all associated costs. Contract duration is estimated at 1,141 calendar days, with an estimated cost range between $25,000,000 and $100,000,000. The Method of Contractor Selection has not been determined at this Time *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.

Conceptual

Military

$100,000,000.00

Public - Federal

Site Work

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November 20, 2026

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To Be Determined, Old San Juan, PR

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