Briefing on THREE SISTERS Solar Generation and BESS

THREE SISTERS Solar Generation and BESS is a planned 600 MW solar photovoltaic and battery storage project in Arizona, representing a substantial investment in renewable energy infrastructure within the WECC region.

Overview

• Project Name: THREE SISTERS Solar Generation and BESS

• Status: Planned

• EIA Operator: THSI bn, LLC

• Ownership: Jointly owned by Cordelio Power Holdings, LLC and WestDevco, LLC

• Grid Region: NERC: WECC

• Balancing Authority: Arizona Public Service Company

Fleet Details

• Capacity: 600 MW (MWH)

• Number of Generators: 2

• Technologies: Batteries and Solar Photovoltaic

Financial Profile

• Capital Expenditure: $1361/kW (Source: eia_agg_cost)

Comparative Landscape

• Similar Plants: Desert Sand BESS, Robinson Solar, Lower Snake Solar Generation BESS

• Nearby Plants: Apache Solar I, Apache Station, Sulphur Springs

THREE SISTERS Solar Generation and BESS represents a significant planned investment in renewable energy within the WECC region, combining solar PV with battery storage to enhance grid stability and reliability. The project's substantial capacity and competitive capital expenditure position it as a key development in Arizona's energy landscape.