Mesquite Solar 1Photovoltaic energy plant

Mesquite Solar 1Project Overview

Active rainwater harvesting for irrigation and fire suppression

• Industry/Sector: public utilities

• Client: Pacific Gas & Electric, Consolidated Edison Development

• Location: Phoenix, Arizona

• Completion: 2012

• Description: Active rainwater harvesting system for fire suppression and irrigation in the desert west of Phoenix. This 3,800-acre solar storage complex has a capacity up to 700 MW and powers up to 260,000 homes.

Mesquite Solar 1 Design Data

• Water use: landscape irrigation, fire suppression

• Annual average rainfall: 8.2 in.

• Available roof area: 26'10" dia. x 11' eave ht, 8'5" total ht.

• Roof material: corrugated steel

• Hardscape material: concrete, soil

Mesquite Solar 1 Rainwater System

• Storage: 46,617 gal

• System: Westeel Pre-engineered, galvanized corrugated steel with liner

• Roof and surface conveyance: wet

• Irrigation: gravity

• Overflow: landscape

Mesquite Solar 1 Average Annual Precipitation (in.)

Jan

Feb

Mar

ch

April

May

June

July

Aug

Sept

OctNov

Dec

0.00

1.00

2.00

3.00

Mesquite Solar 1 Team

• Developer: Sempra Energy • Designer: TBK Environmental Design

• Installer: NatureWest Landscaping • General Contractor: Durazo

Construction

SkywaterP.O. Box 2100Prescott, Arizona 86302928-445-3515

skywaterarizona.com