The estimated cost range for this project is between $25,000,000 and $100,000,000. This range is likely due to the complexity and scope of the project, which involves the development of an installation-level microgrid, including the construction of power transmission lines, communication systems, and other necessary site work. The lower end of the estimate, $25,000,000, may be due to the potential for economies of scale and the use of existing infrastructure, while the higher end, $100,000,000, may be due to the need for additional construction, equipment, and labor. The actual budget for the project will depend on various factors, including the contractor's experience, the project's complexity, and the level of competition for the contract. Given the project's scope and complexity, a reasonable estimate for the budget would be around $50,000,000 to $75,000,000.