Our commitment to air quality

Protecting Arizona's natural resources is at the heart of SRP's mission. We’re exploring new technologies, partnerships and programs to build a brighter, more sustainable future in the Valley. 

Customer and community programs

SRP has committed to cutting carbon emissions by 65% by 2035 and 90% by 2050. We’ve created a number of customer and community programs to help us reach our goal and to improve the air quality in Phoenix.

  • The SRP Drive Electric program gives customers the tools they need to consider switching to an electric vehicle, such as a savings calculator, special offers and more.
  • Businesses can save on efficient-electrification upgrades, including electric forklifts and custom electrification projects, through our business rebate programs.
  • Teachers can learn about the future of the energy industry from experts at SRP. These no-cost training sessions include lesson plans, activities and materials to help engage students.

Collaboration and research

Air quality regulation and policy are ever-changing. SRP works with local, state, federal and tribal officials to make sure we’re meeting air quality standards.

SRP is committed to the development of new technologies that aim to reduce emissions. For years, we’ve partnered with Arizona universities, the Electric Power Research Institute , the West Coast Regional Carbon Sequestration Partnership , and other institutions to support research and development in this area.

Emissions-free energy

From day one, SRP has produced zero-emissions power by adding hydroelectric generating stations to our dams. As the energy needs of the Phoenix Valley have grown, we’ve worked to add more renewables to our energy mix. Today, our  renewable energy portfolio includes:

  • Solar
  • Wind
  • Geothermal
  • Hydropower

Our 2035 Sustainability Goals outline a variety of strategies for reducing our carbon emissions. Taking a multi-pronged approach will help us be successful in mitigating the impact of climate change while also supporting our customers' clean energy goals.

Energy storage

We have launched a number of projects to help us better understand how to add utility-scale energy storage systems to the grid. Using these storage systems allow customers to use banked renewable energy during peak demand hours. The following projects are in progress as of 2018.

  • A 10 MW stand-alone utility-scale battery was installed at a substation to help us learn how effectively stored energy could be used during peak demand hours. This technology could reduce our reliance on gas power plants, which are more expensive to operate.
  • The residential battery storage study will evaluate the performance of residential battery storage installations through a customer incentive program which provides rebates for up to 4,500 devices. Batteries, when paired with rooftop solar, allow solar energy to be used during the evening hours.
  • In January 2018, the first sustainable Sub-Zero industrial freezer was installed at Bashas' distribution center in the Phoenix metro area. The new technology has the potential to reduce energy use and provide cost savings for customers with industrial freezers. The new technology has the potential to reduce energy use and provide cost savings for customers with industrial freezers.

Generating stations

SRP's air quality compliance strategy focuses on finding technically sound and environmentally beneficial ways to meet the stringent emission requirements connected with power generation. We’ve invested more than $1 billion in emissions controls, equipping our generating stations with a wide range of air pollution control equipment. Since 1995, those controls have reduced sulfur dioxide and nitrogen oxide emissions intensity by 80%. 

SRP has also:

  • Invested more than $500 million to upgrade air pollution equipment at Coronado Generating Station.
  • Reduced the use of mechanical parts cleaning products that generate hazardous waste and have the potential to release toxic air emissions.
  • Decreased fugitive dust emissions during construction and maintenance activities in the Phoenix metropolitan area.
  • Controlled many of our gas and oil units for nitrogen oxides for the benefit of air quality. (Clean-burning natural gas is the primary fuel in these units and low-sulfur fuel oil is available for emergency operating situations.)

Eco-friendly renovations

The renovation of our headquarters in Phoenix presented an opportunity to make eco-friendly upgrades, which have resulted in:

  • A 9,600-ton reduction in carbon emissions, equal to taking 1,700 cars off the road for one year
  • A 93-ton reduction in greenhouse gases through recycled carpet
  • 34% recycled material furniture used in the buildings
  • A 60% estimated reduction in building energy use
  • High-tech, high-impact measures such as light harvesting, energy-efficient heating and cooling systems, and low-water-use plumbing and landscaping fixtures

SRP is working toward LEED Gold certification for the renovated building.

Electric vehicles

Whether an employee is commuting to work or driving a fleet vehicle, choosing an electric vehicle (EV) benefits air quality.

Together, SRP employees who use workplace charging have prevented more than 250,000 pounds of carbon dioxide and saved more than 25,000 gallons of gasoline.

  • More than 90% of SRP’s sedan fleet has been converted from gasoline to plug-in electric and hybrid vehicles.
  • SRP offers the largest workplace charging program in Arizona with 520 parking spaces with access to charging at 18 SRP facilities, 215 of which are reserved for employees.
  • Today, more than 200 employees own a plug-in EV; 75 employees registered an EV in calendar year 2019 alone. This is the highest rate of adoption we’ve seen to date.
  • About 3,000 customers have joined our EV Community. This is a place where local like-minded drivers can connect, offer insights and help advocate for the adoption of EVs.

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