This is a full and open solicitation for a major construction project to build a microgrid and power system at the Rock Island Arsenal, with an anticipated budget between $25 million and $100 million, expected at the upper end of that range. Access to the full solicitation package, which contains controlled information, is restricted and requires an active SAM registration and a current BASIC confidence level in SPRS. There will be only one mandatory site visit, with details in the solicitation. Award of the contract is contingent upon the contractor possessing a Cybersecurity Maturity Model Certification (CMMC) Level 2 prior to award. Prospective bidders must follow a specific email procedure to request access to the technical documents.