Solar Energy

Advancing development of solar and other renewable technologies is at the core of SRP’s business.

That’s why we’ve committed to cut our greenhouse gas emissions by a third by 2035 — a goal we’ll achieve by retiring coal-fired generation and increasing the amount of solar we use to power our customers’ homes and businesses.

We’ve already invested in almost 300 megawatts of solar generation, while carefully balancing the interests of our customers. It’s our job as a nonprofit to deliver reliable power at the best possible price, all while considering the environmental impact of what we do. We do that by investing in solar and renewable technologies that deliver the biggest impact for the best value.

Solar resources for you

At SRP, we want you to feel that you're getting the information and resources about solar you need to make smart energy choices, whether it is for your home or business.

For your home

There are a variety of programs and resources to guide you through installation, connection to SRP's grid and choosing a price plan.

For your business

We're working on becoming more sustainable, and we know other business owners are too. We want to be your partner in this process. Whether you are a business looking into solar or a contractor working with commercial clients, we're here to help.

Advancing solar

While we invest in solar and renewables that currently make economic sense, we’re researching technologies that will further expand the benefits of solar to all of our customers.

We opened our first solar generating facility with dedicated battery storage in May 2018 — stretching the power of solar beyond sundown. We’re working on a second such project in Chandler in conjunction with Tesla. And, we’ve incentivized our customers to explore battery storage with a rebate of up to $3,600 for a home system.

Building your solar future

The solar energy project 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 (in progress) – 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

8 ways we are tackling climate change in the desert

We’re taking bold steps to keep our state safe from the risks of climate change, while providing a reliable supply of water and power.

The post 8 ways we are tackling climate change in the desert appeared first on SRPconnect Blog.


Sustainable Energy Offering powers a brighter, more sustainable future for us all

We are helping to bring solar energy to Arizona businesses. And that’s good for everyone.

The post Sustainable Energy Offering powers a brighter, more sustainable future for us all appeared first on SRPconnect Blog.


1 gigawatt of solar energy by 2025: Our plans for a greener and brighter future

By 2025, SRP will have 1 gigawatt more of solar energy on its grid. In this post, one of SRP's in-house energy experts explain how we're going to do that.

The post 1 gigawatt of solar energy by 2025: Our plans for a greener and brighter future appeared first on SRPconnect Blog.


Forward together: 5 ways SRP is planning for the future

Successfully delivering water and power to the Valley for over 11 decades takes a lot of planning for the future. Here are five ways SRP is doing just that.

The post Forward together: 5 ways SRP is planning for the future appeared first on SRPconnect Blog.


SRP solar expansion announcement: Cutting emissions through major solar + battery energy purchase

To reduce carbon emissions and invest in new utility-scale solar energy by 2025, SRP has issued an RFP for up to 400 MW of new solar energy. This comes on the heels of Storey and Sonoran Energy Centers being announced in November.

The post SRP solar expansion announcement: Cutting emissions through major solar + battery energy purchase appeared first on SRPconnect Blog.


Phase II of Kayenta Solar facility now complete

Navajo Nation continues to demonstrate its commitment to transition to renewable energy with the completion of Kayenta II, a 28-megawatt addition to the solar facility.

The post Phase II of Kayenta Solar facility now complete appeared first on SRPconnect Blog.


Albertsons and Safeway find innovative ways to go green

At this grocery store chain it’s not just the exemplary products that are green. Learn how one of the largest food and drug retailers in the U.S. is finding ways to help the environment.

The post Albertsons and Safeway find innovative ways to go green appeared first on SRPconnect Blog.


Your energy grid to get a major boost of solar

SRP customers will see an increase in solar thanks to a plan that will add 1,000 megawatts (MW) of new solar energy to our system by 2025. The plan will accelerate both the pace and the total amount of our solar energy resources by 700 MW compared to current resource plans during the same timeframe.

The post Your energy grid to get a major boost of solar appeared first on SRPconnect Blog.


Storing solar energy for use after the sun goes down

The new Pinal Central Solar Energy Center (PCSEC) in Casa Grande, an integrated solar and battery storage system plant, stores clean energy produced during the day for use whenever energy demand increases.

The post Storing solar energy for use after the sun goes down appeared first on 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