Categorical Exclusion Determinations: Hanford Office of River Protection and Richland Operations Office

Categorical Exclusion Determinations issued by Office of River Protection-Richland Operations Office.

Documents Available for Download

CX-034321: Hecate Energy Cereza LLC License Agreement and Categorical Exclusion to Perform Phase I Environmental Site Assessment for Construction and Operation of a Proposed Photovoltaic Solar Farm and Battery Energy Storage System at the Hanford Site

The U.S. Department of Energy (DOE) Hanford Field Office (HFO) and Hecate Energy Cereza LLC (Hecate) propose to construct a photovoltaic solar farm…

Learn More about CX-034321: Hecate Energy Cereza LLC License Agreement and Categorical Exclusion to Perform Phase I Environmental Site Assessment for Construction and Operation of a Proposed Photovoltaic Solar Farm and Battery Energy Storage System at the Hanford Site
CX-033827: Civil and Structural Suitability Analysis of the Fuels and Materials Examination Facility for Relicensing at the Department of Energy Hanford Site

The U.S. Department of Energy (DOE), Hanford Field Office (HFO), manages approximately 580 square miles comprising the Hanford Site, which is locat…

Learn More about CX-033827: Civil and Structural Suitability Analysis of the Fuels and Materials Examination Facility for Relicensing at the Department of Energy Hanford Site
CX-033658: Site Characterization Borehole/Well Drilling at the Columbia Generating Station Washington Nuclear Plant (WNP-1) Site in Support of Energy Northwest and Amazon Development and Deployment of Advanced Small Modular Reactor Technology at the

On October 16, 2024, Amazon and Energy Northwest announced an agreement to fund efforts to develop and deploy advanced small modular reactor (SMR) …

Learn More about CX-033658: Site Characterization Borehole/Well Drilling at the Columbia Generating Station Washington Nuclear Plant (WNP-1) Site in Support of Energy Northwest and Amazon Development and Deployment of Advanced Small Modular Reactor Technology at the
CX-033657: Laser Interferometer Gravitational-Wave Observatory, Hanford, Cosmic Explorer Beamtube Experiment Laboratory (CEBEX Lab)

The NSF proposes to fund the construction of a vacuum tube test building at LIGO Hanford to inform and support future gravitational wave research. …

Learn More about CX-033657: Laser Interferometer Gravitational-Wave Observatory, Hanford, Cosmic Explorer Beamtube Experiment Laboratory (CEBEX Lab)