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Environmental review—NEPA

Sierra Nevada region

Major initiatives are the large projects that SN is currently involved in. As new projects are added, and existing ones completed, you will find current information and updates in this area.

Environmental impact statement—EIS

Colusa-Sutter (CoSu) transmission line project

San Luis transmission project

Sacramento area voltage support

Trinity PUD interconnection projects

Alternative intake project transmission line and interconnection

Delta-Mendota Canal/California aqueduct intertie (PDF - 17MB)

Sutter power project

Environmental assessment—EA

Beale-WAPA Interconnection Project (BWIP)

San Joaquin Valley right-of-way maintenance project

North area right-of-way maintenance project

Sacramento Valley right-of-way maintenance project

Categorical exclusions—CX 

2018

Keswick Substation video monitoring install (PDF 565 KB)

Livermore Substation Sanitary Facility upgrades CX​ (PDF 2 MB)

Carr Substation Security Upgrades Project CX​ (PDF 2MB)

Hazard Tree Removal: Round Mountain-Cottonwood and Keswick-Olinda Transmission Lines (PDF 388 KB)

2017

Folsom Lake Dam Substation Security Upgrades Project  (PDF 3 MB)

Path 15 2017 Access Road Erosion Repair CX (PDF 3 MB)

New Melones Substation Security Upgrades (Card Reader) Project (PDF 602 KB)

Westlands Pump Installation Project CX (PDF 937 KB)

 

2016

Trinity-Weaverville Off-ROW Tree Removal

Grapevine Pass Access Road Project CX  (PDF 16 KB)

Trinity-Weaverville Off-ROW Tree Removal  (PDF 2.90 MB)

DOE Environmental Review for Long-Term Power Purchase (2018-2022) CX  (PDF 2 MB)

Natomas Community Gardens Access Road CX  (PDF 4 MB)

Western Sierra Nevada Power Marketing Program 2025 (PDF 767 KB)

Grapevine Pass Communications Project (PDF 2 MB)

Keswick-Airport Towers 3/2 and 3/3 Access Roads (PDF 3 MB)

2016 Access Road Erosion Repair Along the Path 500 kV T-Line (PDF 2 MB)

2015

Contra Costa soil testing and equipment upgrades CX (PDF 5 MB)

Bear Spring Microwave Site Firebreak Clearing (PDF 4 MB)

Elverta Washrack, Paving, and Drainage Repair Categorical Exclusion (PDF  4 MB)

Malin-Round Mountain Emergency Off-ROW Tree Removal (PDF 4 MB)

2014

2014 access road erosion repair along the path 15 500 kV transmission line (PDF 6 MB)

COTP river crossing tower painting project CX (PDF 4 MB)

2013

Cottonwood-Roseville OPGW project CX (PDF 6787 KB)

2012

Path 15 access road maintenance-2012 (PDF 3.2 MB)

2011

Off ROW hazard trees-Trinity-Weaverville 60kV (PDF 725K B)

Maxwell-O'Banion OPGW (PDF 3.3 MB)

EMF remodel (PDF 2.37 MB)

Red Bluff pumping plant 60 kV interconnection project (PDF  585 KB)

Roseville Elverta (RSC-ELV) OPGW replacement project (Word 63 KB)

2010

Eastshore Trail construction CX (PDF 1.15 MB)

Laurel and Rose CX (PDF 453 KB)

Rock Slough pole replacement (PDF 2.17 MG)

Vegetation management-CX100501 (PDF 200 KB)

Vegetation management-CX100502 (PDF 186 KB)

Culvert cleanout-CX100503 (PDF 156 KB)

Tracy double breaker double bus project (PDF 266 KB)

Trinity line cat building-CX101101 (PDF 266 KB)

Off ROW hazard trees-phase 1 (PDF 242 KB)​

CVP COTP ACI path 15 rate CX (PDF 242 KB)

More information

For additional information on any of the projects listed above please contact:

 

Sierra Nevada NEPA Environmental Protection Specialist Don Lash

Sierra Nevada Environmental Manager  Jerry Robbins

 

Page Last Updated: 5/24/2018 10:38 AM