Categorical exclusions are posted here to promote transparency and openness. Some actions may have environmental impacts that require an environmental assessment and a detailed analysis to determine the extent and severity of the impacts. For actions that have significant impacts or consequences to the environment or human health, RM prepares environmental impact statements.

Environmental Impact Statements—EIS

• Estes-Flatiron Transmission Line Rebuild Project - Completed
  
• Granby Pumping Plant-Windy Gap Transmission Line Rebuild Project - Completed
  
• Hermosa West Wind Energy Project
• Maintenance and Vegetation Management along Existing Western Transmission Line Rights of Way on National Forest System Lands in Colorado, Utah, Nebraska
• Platte River Cooperative Agreement PEIS, NE, CO and WY, DOE/EIS-0295 (Cooperating Agency)
• TransWest Express Transmission Project
• Windy Gap Firming Project

Environmental Assessments—EA

• Dave Johnston Tap to Sidney Substation Transmission Line Reconductor Project EA
• Dave Johnston Tap to Sidney Substation Transmission Line Reconductor Project FONSI
• Dave Johnston Tap to Sidney Substation Transmission Line Reconductor Project Phase 2 FONSI 
• Front Range-Midway Solar Interconnection Project, DOE/EA-2018​
• South Table Wind Project Environmental Assessment and Finding of No Significant Impact, DOE/EA-1909, Kimble County, NE
• Wray Wind Energy Project Environmental Assessment and Finding of No Significant Impact, DOE/EA-1884, Yuma County, CO
• Buffalo Head Switching Station Environmental Assessment and Finding of No Significant Impact, DOE/EA-1938, Natrona County, WY
• NECO Wind (formerly Haxtun Wind) Energy Project Environmental Assessment Supplemental Analysis and Finding of No Significant Impact, DOE/EA-1812, Logan and Philips Counties, CO
• Colorado Highlands Wind Project, Fleming, CO, DOE/EA-1611 and DOE/EA-1611-S1

Categorical Exclusions—CX  2​0​​22  2021​  

2020​  

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2014

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2012 ​  2011​