CX-034987: HMIS Annual Categorical Exclusion (CX) B4.14, Construction and Operation of Electrochemical-Battery or Flywheel Energy Storage Systems for CY 2026

Hanford Mission Integration Solutions (HMIS) and their subcontractors perform construction, operation, upgrade, or decommissioning of an electroche…

Office of NEPA Policy and Compliance

November 19, 2025
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Hanford Mission Integration Solutions (HMIS) and their subcontractors perform construction, operation, upgrade, or decommissioning of an electrochemical-battery or flywheel energy storage system within a previously disturbed or developed area or within a small (as discussed at 10 CFR 1021.102(g)(2)) area contiguous to a previously disturbed or developed area.