Solar Energy

SRP has committed to cutting our carbon emissions intensity by 65% by 2035 and 90% by 2050.

To reach these goals, we’re working to retire coal-fired power plants and develop renewable energy projects – especially solar.

Advancing solar

As a community nonprofit, it’s our job to deliver reliable power at the best possible price. We also have a responsibility to minimize our environmental impact. That’s why we’re investing in renewable technologies that will make the most difference and add the most value.

We recently announced that we are more than doubling our commitment to solar energy by adding 2,025 megawatts (MW) by the year 2025. As part of this 1,025MW solar increase, 450MW is enabled by an SRP commercial customer to meet its renewable energy commitments. It's these partnerships between SRP and our largest customers that help make utility-scale solar possible in Arizona.

SRP is more than doubling our commitment to clean renewable energy by adding a total of 2,025 MW of new utility-scale solar energy to the SRP power system by 2025.

Sonoran and Storey Energy Centers

Coming in 2023, Sonoran Energy Center will be a 250 MW solar power system with a 1-gigawatt-hour energy storage system. It will be the largest solar-charged battery project in the state. Storey Energy Center, also scheduled to open in 2023, will be an 88 MW solar power and energy storage system.

Together, these plants will generate enough solar energy to the equivalent of powering about 100,000 homes.

They will also allow SRP to meet demand for energy during peak hours of the day using state-of-the-art battery storage systems.

Investing in battery storage

As of 2019, SRP is one of the nation’s largest investors in energy storage. We have a 10 MW stand-alone battery with AES in Chandler.

We’re working on stand-alone battery projects to store energy from a variety of energy sources, including a Tesla battery project at the Agua Fria Generating Station in Glendale.

Solar resources for you

We’re taking steps to minimize our environmental impact and helping our customers do the same. From energy efficiency rebates to custom energy portfolios, we’re here to support you in making changes that, over time, can make a big difference.

For your home

We offer a variety of programs and resources that can help you get started with solar power

For your business

Whether you are a business considering solar power or a contractor working with commercial clients, we're here to help. 

Building your solar future

The solar energy projects listed below, whether completed or planned, provide a new source of renewable energy for our customers. Included for each one is an example of how many homes could potentially be powered.

  • 2011

    Copper Crossing Solar Ranch, Florence – 20 megawatts (MW) or 3,700 homes

  • 2012

    Queen Creek Solar, Queen Creek – 19 MW or 3,300 homes

  • 2015

    Sandstone Solar Facility, Florence – 45 MW or 8,000 homes

  • 2017

    Kayenta 1 – 27 MW or 17,600 homes on the Navajo Nation.

  • 2018

    Pinal Central Energy Center, Casa Grande – 20 MW /5,000 homes + 10 MW battery storage system.
    Arizona's largest utility-scale solar energy center paired with a storage system.

  • 2019

    Kayenta 2– 28 MW or 18,400 homes on the Navajo Nation.
    Kayenta 1 and 2 combined provide power for 36,000 homes in the Navajo Nation. Proceeds from these projects and future renewable projects will pave the way for Light Up Navajo Nation.

  • 2020

    Saint Solar and East Line Solar – 200 MW. These plants are dedicated to commercial customers and will reduce our CO2 emissions by 1.04 million tons.

  • 2021 – 2023

    2021 : Central Line Solar – 100 MW. This plant is dedicated to commercial customers and will reduce our CO2 emissions by 520,000 tons. This is equivalent to the amount produced by more than 100,000 passenger cars driven in a year.

    400 MW – (200 MW targeted for development on the Navajo Nation)
    Two plants will open that combined together will power 100,000 homes.
    Sonoran Energy Center, Buckeye area – 250 MW + 4-hour battery storage system
    Storey Energy Center, Coolidge - 88 MW + 3-hour battery storage system

Latest news

SRP’s largest solar power plant in Arizona, CO Bar Solar, is coming to the grid

SRP’s largest solar power plant in Arizona, CO Bar Solar, is coming to the grid

As we rapidly expand our renewable energy sources, we are pleased to announce that development on our largest stand-alone solar power plant will begin soon.

Continue reading SRP’s largest solar power plant in Arizona, CO Bar Solar, is coming to the grid at SRPconnect Blog.

SRP’s largest battery system is now online

SRP’s largest battery system is now online

The Bolster Substation battery system is capable of supplying 25-megawatts of power over a four-hour period.

Continue reading SRP’s largest battery system is now online at SRPconnect Blog.

51 impactful ways we celebrate Earth Day 2021 all year

51 impactful ways we celebrate Earth Day 2021 all year

Sustainability is at the heart of all that we do. Here are 51 ways our employees and customers are making the community a better place for generations to come.

Continue reading 51 impactful ways we celebrate Earth Day 2021 all year at SRPconnect Blog.

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Join SRP Solar for Nonprofits

When you join our Solar for Nonprofits program, you are helping build solar projects for Valley nonprofits. Since the program's inception, 49 solar system installations have been completed saving nonprofits over $600,000.

Join today