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Pinnacle West Capital Corporation, widely recognised as Pinnacle West (NYSE: PNW), is a prominent US-based regulated utility holding company. Headquartered in Phoenix, Arizona, its primary operations are conducted through its subsidiary, Arizona Public Service (APS), providing essential electricity services to over 1.3 million customers across 11 counties in Arizona.
Established in 1985, Pinnacle West has grown into a cornerstone of the electricity sector, dedicated to delivering reliable, affordable, and sustainable energy. Its core business encompasses the generation, transmission, and distribution of electricity throughout its service territory.
Distinguished by its ambitious commitment to environmental stewardship, Pinnacle West is pioneering the transition to a clean energy future. The company aims to provide 100% clean, carbon-free electricity to its customers by 2050, solidifying its market position as Arizona's largest electric utility.
-8 vs industry average
Pinnacle West Capital’s score of 8 is lower than 26% of the industry. This can give you a sense of how well the company is doing compared to its peers.
Electricity from Other Sources is among the most carbon-intensive industries
The Electricity from Other Sources industry has reduced its overall emissions by 36% since 2018
Scope 3 accounts for ••• of total emissions.
Pinnacle West Capital, an Electricity nec company based in the US, reported its Scope 1 emissions for 2025 as approximately 10.98 billion kg CO2e and Scope 2 emissions as approximately 158.09 million kg CO2e.
In 2022, Pinnacle West Capital's disclosed Scope 1 emissions were approximately 12.67 billion kg CO2e, Scope 2 emissions were approximately 91.74 million kg CO2e (market-based), and Scope 3 emissions were approximately 12.79 billion kg CO2e.
Looking back, the company's Scope 1 emissions were approximately 11.33 billion kg CO2e in 2021, and approximately 11.26 billion kg CO2e in 2020. Scope 2 emissions (market-based) were approximately 112.16 million kg CO2e in 2021 and approximately 116.94 million kg CO2e in 2020. In 2019, Scope 1 emissions were approximately 12.30 billion kg CO2e, with Scope 2 emissions (market-based) at approximately 13.69 million kg CO2e.
The earliest available Scope 1 data shows approximately 16.66 billion kg CO2e in 2005. Earlier data for Scope 1 and Scope 2 (purchased electricity, mobile combustion, and fugitive emissions) are also available, including approximately 79.92 million kg CO2e in 2013, approximately 43.83 million kg CO2e in 2012, approximately 58.36 million kg CO2e in 2011, approximately 102.66 million kg CO2e in 2010, approximately 104.52 million kg CO2e in 2009, and approximately 111.61 million kg CO2e in 2008.
Pinnacle West Capital has not reported any specific emissions reduction targets validated by the Science Based Targets initiative (SBTi) or other publicly documented commitments.
No climate goals have been disclosed for Pinnacle West Capital yet.
No scope 3 category breakdown has been disclosed yet.


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