Categorical Exclusion Determinations: Arizona

Western Area Power Administration (WAPA), Colorado River Storage Project (CRSP) region proposes new formula rates for the Colorado River Storage Project transmission and ancillary services for CRSP’s costs to be recovered under the Southwest Power Pool’s (SPP) Open Access Transmission Tariff (Tariff) should CRSP decide to become a member of SPP.
The Marana Upgrade Project (Project) is proposed by Arizona Electric Power Cooperative (AEPCO) to rebuild the existing Marana Substation within the…