Supplement Analyses (SA)

A document that DOE prepares in accordance with DOE NEPA regulations (10 CFR 1021.314(c)) to determine whether a supplemental or new EIS should be prepared pursuant to CEQ NEPA regulations (40 CFR 1502.9(c)).

Note: To view additional SAs issued by Bonneville Power Administration (BPA), please visit the following webpage: https://www.bpa.gov/efw/Analysis/NEPADocuments/Pages/default.aspx. For example, SAs issued for BPA’s Transmission System Vegetation Management Program EIS (DOE/EIS-0285) may be found under “Program Reviews,” then “Transmission System Vegetation Management Program….”

This SA addresses the potential effect that new data and information developed since the preparation of the TWRS EIS may have on the environmental....