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….”